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Journal articles on the topic 'Zinc oxide nanorods'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Wai, Htet Su, and Chaoyang Li. "Fabrication of Well-Aligned ZnO Nanorods with Different Reaction Times by Chemical Bath Deposition Method Applying for Photocatalysis Application." Molecules 28, no. 1 (2023): 397. http://dx.doi.org/10.3390/molecules28010397.

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Zinc oxide nanorods were grown on an aluminum-doped zinc oxide seeds layer using the chemical bath deposition method. The effects of growth reaction time on the structural, optical, and photocatalytic properties of zinc oxide nanorods were investigated. It was clearly observed that the growth direction of zinc oxide nanorods were dependent on the crystallinity of the as-deposited aluminum-doped zinc oxide seed layer. The crystallinity of the obtained zinc oxide nanorods was improved with the increase in reaction times during the chemical bath deposition process. The mechanism of zinc oxide nan

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2

Singh, Shaivalini, Yogesh Kumar, Hemant Kumar, et al. "A study of hydrothermally grown ZnO nanorod-based metal-semiconductor-metal UV detectors on glass substrates." Nanomaterials and Nanotechnology 7 (January 1, 2017): 184798041770214. http://dx.doi.org/10.1177/1847980417702144.

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This study reports hydrothermally grown zinc oxide nanorod-based metal-semiconductor-metal ultraviolet detectors with palladium metal as the electrodes. The zinc oxide nanorods were deposited on glass substrates in two steps, seed layer deposition and growth of nanorods. The structural and optical properties of nanorods were examined using scanning electron microscopy and ultraviolet–vis spectroscopy, respectively. The scanning electron microscopy image showed that the growth of nanorods was uniform, and the ultraviolet–vis results indicate that the bandgap of zinc oxide nanorods was 3.23 eV.

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3

Aranda, Alejandro, Richard Landers, Patricio Carnelli, Roberto Candal, Hugo Alarcón, and Juan Rodríguez. "Influence of silver electrochemically deposited onto zinc oxide seed nanoparticles on the photoelectrochemical performance of zinc oxide nanorod films." Nanomaterials and Nanotechnology 9 (January 1, 2019): 184798041984436. http://dx.doi.org/10.1177/1847980419844363.

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The present article examines the synthesis and characterization of zinc oxide nanorods grown on zinc oxide and silver nanoparticle seeds. Zinc oxide seeds were electrodeposited on a support of fluorine-doped tin oxide glass and heat-treated at 380°C. Silver nanoparticles were then deposited on this substrate, which was heat-treated at 160°C. Their presence was confirmed using ultraviolet–visible spectroscopy, by observing an absorption peak around 400 nm, corresponding to surface plasmon resonance. Growth of zinc oxide nanorods was achieved in a chemical bath at 90°C. The obtained films were a

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4

Zhu, Zuoming, Tamar Andelman, Ming Yin, et al. "Synchrotron x-ray scattering of ZnO nanorods: Periodic ordering and lattice size." Journal of Materials Research 20, no. 4 (2005): 1033–41. http://dx.doi.org/10.1557/jmr.2005.0134.

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We demonstrate that synchrotron x-ray powder diffraction (XRD) is a powerful technique for studying the structure and self-organization of zinc-oxide nanostructures. Zinc-oxide nanorods were prepared by a solution-growth method that resulted in uniform nanorods with 2-nm diameter and lengths in the range 10–50 nm. These nanorods were structurally characterized by a combination of small-angle and wide-angle synchrotron XRD and transmission electron microscopy (TEM). Small-angle XRD and TEM were used to investigate nanorod self-assembly and the influence of surfactant/precursor ratio on self-ass

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5

Khan, Muhammad Zaman, Jiri Militky, Michal Petru, et al. "Ultra-Fast Growth of ZnO Nanorods on Cotton Fabrics and Their Self-Cleaning and Physiological Comfort Properties." Coatings 11, no. 11 (2021): 1309. http://dx.doi.org/10.3390/coatings11111309.

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The main aim of the present study was to investigate the effect of microwave irradiation time on the photocatalytic and physiological comfort characteristics of zinc-oxide-nanorod-coated cotton fabrics. An ultra-fast technique was employed to grow the zinc oxide nanorods on cotton fabrics using a microwave-assisted hydrothermal method. The axial (length) and lateral (diameter) growth of the zinc oxide nanorods was observed to increase with microwave irradiation time. The ZnO nanorods uniformly and entirely covered the cotton fibers. The surface morphology, topography and chemical characteristi

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6

Jabeen, M., M. W. Asharaf, S. Tayyaba, N. Ali, R. V. Kumar, and H. Alrobei. "Growth of zinc oxide nanowires by equimolar solution technique on conducting substrates used for optical applications." Digest Journal of Nanomaterials and Biostructures 16, no. 4 (2021): 1253–61. http://dx.doi.org/10.15251/djnb.2021.164.1253.

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Zinc oxide nanorods were successfully fabricated on various substrates coated with metal oxide such as platinum and gold by aqueous solution method. The current research shows the influence of conducting substrates on surface morphology and its use for optical properties zinc oxide nanostructures. Samples were analyzed by energy dispersive (EDX), X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FE-SEM) and UV-Visible spectroscopy (UV-vis). The fabricated zinc oxide nanorods exhibit excellent crystalline quality and hexagonal wurzite structure. The Zinc oxide nano-walls and

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7

SHAH, M. A. "ZINC OXIDE NANORODS PREPARED AT LOW TEMPERATURES WITHOUT CATALYST." Modern Physics Letters B 22, no. 26 (2008): 2617–21. http://dx.doi.org/10.1142/s0217984908017126.

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An easy and novel approach is described for the formation of zinc oxide nanorods by simple reaction of zinc metal with water in a very low temperature range of 25–75°C. It offers a facile and fast route for large scale production of zinc oxide nanorods without catalysts. The diameters of the nanorods range from 30–120 nm with several micrometers in length. The resulting nanorods have been comprehensively characterized by Field Emission Scanning Electron Microscopy (FESEM) coupled with Energy Dispersive Analysis (EDX). A plausible mechanism is proposed for the formation of these nanorods and it

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8

Khamkhom, Phattharaphong, Mati Horprathum, Pitak Eiamchai, et al. "Hydrothermal of ZnO Nanorod Arrays on ITO Transparent Conductive Oxide Substrate: Effect of Precursor Concentration." Key Engineering Materials 675-676 (January 2016): 134–37. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.134.

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In this study, we fabricated the zinc oxide (ZnO) nanorods arrays by hydrothermal technique on indium doped tin oxide (ITO) substrate with different concentration of the precursor with zinc nitrate and hexamethyleneteramine (HMTA) in distilled water. Structure, morphology and optical properties of ZnOnanorods on ITO substrate were characterized by x-ray diffractometer, field-emission scanning electron microscope and spectrophotometer, respectively. The ZnO nanorod arrays showing preferentially oriented in the (001) direction and with a wurtzite structure. The scanning electron microscopy resul

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9

Zhang, Qiang, Shengwen Hou, and Chaoyang Li. "Titanium Dioxide-Coated Zinc Oxide Nanorods as an Efficient Photoelectrode in Dye-Sensitized Solar Cells." Nanomaterials 10, no. 8 (2020): 1598. http://dx.doi.org/10.3390/nano10081598.

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Well-arrayed zinc oxide nanorods applied as photoelectrodes for dye-sensitized solar cells were synthesized on an aluminum-doped zinc oxide substrate by the multi-annealing method. In order to improve the chemical stability and surface-to-volume ratio of photoanodes in dye-sensitized solar cells, the synthesized zinc oxide nanorods were coated with pure anatase phase titanium dioxide film using a novel mist chemical vapor deposition method. The effects of the titanium dioxide film on the morphological, structural, optical, and photovoltaic properties of zinc oxide–titanium dioxide core–shell n

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10

Evstafieva, Maria, Arcady Redkin, Dmitry Roshchupkin, Tatyana Rudneva, and Eugene Yakimov. "Influence of Exposure to a Wet Atmosphere on the UV-Sensing Characteristics of ZnO Nanorod Arrays." Materials 17, no. 5 (2024): 1053. http://dx.doi.org/10.3390/ma17051053.

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Zinc oxide is a promising material for the creation of various types of sensors, in particular UV detectors. In this work, arrays of ordered nanorods were grown by chemical vapor deposition. The effect of environmental humidity on the sensing properties of zinc oxide nanorod arrays was investigated, and a prototype UV sensor using indium as an ohmic contact was developed. UV photoresponses were measured for the samples stored in dry and wet atmospheres. The increase in sensitivity and response of the ZnO nanorod arrays was observed after prolonged exposure to a wet atmosphere. A model was prop

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11

Rayerfrancis, A., Bhargav P. Balaji, N. Ahmed, and C. Balaji. "Morphological and spectroscopic studies on the vertically aligned zinc oxide nanorods grown on low and high temperature deposited seed layer." Физика и техника полупроводников 51, no. 12 (2017): 1690. http://dx.doi.org/10.21883/ftp.2017.12.45186.8562.

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Vertically aligned zinc oxide nanorods were grown on low and high temperature deposited aluminium doped zinc oxide seed layer by hydrothermal method and annealed to improve crystallinity. The morphology of the seed layer and the grown nanorods were studied by field emission scanning electron microscopy characterization technique. The properties of the zinc oxide nanorods were analyzed using laser spectroscopic studies. Resonant Raman spectroscopy reveals the unique increase in the A1(LO) mode of vibration with increase in count. The luminescence property of the nanorods was studied with photol

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12

Burmistrov, Dmitry E., Denis V. Yanykin, Mark O. Paskhin, et al. "Additive Production of a Material Based on an Acrylic Polymer with a Nanoscale Layer of Zno Nanorods Deposited Using a Direct Current Magnetron Discharge: Morphology, Photoconversion Properties, and Biosafety." Materials 14, no. 21 (2021): 6586. http://dx.doi.org/10.3390/ma14216586.

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On the basis of a direct current magnetron, a technology has been developed for producing nanoscale-oriented nanorods from zinc oxide on an acrylic polymer. The technology makes it possible to achieve different filling of the surface with zinc oxide nanorods. The nanorods is partially fused into the polymer; the cross section of the nanorods is rather close to an elongated ellipse. It is shown that, with intense abrasion, no delamination of the nanorods from the acrylic polymer is observed. The zinc oxide nanorods abrades together with the acrylic polymer. Zinc oxide nanorods luminesces with t

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13

Vasudevan, Arun, Soyoun Jung, and Taeksoo Ji. "Synthesis and Characterization of Hydrolysis Grown Zinc Oxide Nanorods." ISRN Nanotechnology 2011 (September 12, 2011): 1–7. http://dx.doi.org/10.5402/2011/983181.

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We present ZnO nanorods grown by a low-cost hydrolysis method with a rod diameter on the order of 30–40 nm and spacing on the order of 20–40 nm that find their applications in the field of solar cells and UV photodetectors with high efficiency and sensitivity. The effect of different process parameters on nanorod growth, such as the seed layer orientation in the growth medium, and the concentration of the growth medium were studied while characterizing the structure of the grown nanorods using XRD, EDAX, and SEM.

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14

Aziz, Wisam Jafer, Randa Kamel Hussain, and Ibraheem Abbas Ibraheem. "New stabilizer Cellulose Nano Rods-Zinc Oxide (CNR-ZnO) material for nanocomposite synthesis and anti-bacterial applications." Al-Mustansiriyah Journal of Science 31, no. 2 (2020): 52. http://dx.doi.org/10.23851/mjs.v31i2.694.

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Zinc oxide (ZnO) nanorods were fabricated using Cellulose Nano Rods (CNR) as a new stabilizer material. Synthesized of ZnO-CNR nanocomposites, with a molar ratio of ZnO to CNR (1/2g) were prepared in distilled water. The nanocomposites were distinguished using X-ray diffraction (XRD), ultraviolet-visible (UV-Vis), and Field Emission scanning electron microscope (FESEM) techniques. XRD data were showed, the ZnO nanorods with a hexagonal wurtzite structure such readily scattered inside CNR with an average size 20-40 nm. (FESEM) images showed the homogenous morphology of Zinc oxide rods. The opti

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15

Drabczyk, Anna, Magda Ciężkowska, Katarzyna Kałahurska, et al. "The Application of Ultrasound Pre-Treatment in Low-Temperature Synthesis of Zinc Oxide Nanorods." Materials 17, no. 20 (2024): 4980. http://dx.doi.org/10.3390/ma17204980.

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Zinc oxide, due to its unique physicochemical properties, including dual piezoelectric and semiconductive ones, demonstrates a high application potential in various fields, with a particular focus on nanotechnology. Among ZnO nanoforms, nanorods are gaining particular interest. Due to their ability to efficiently transport charge carriers and photoelectric properties, they demonstrate significant potential in energy storage and conversion, as well as photovoltaics. They can be prepared via various methods; however, most of them require large energy inputs, long reaction times, or high-cost equ

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16

Baruah, Sunandan, Mohammad Abbas Mahmood, Myo Tay Zar Myint, Tanujjal Bora, and Joydeep Dutta. "Enhanced visible light photocatalysis through fast crystallization of zinc oxide nanorods." Beilstein Journal of Nanotechnology 1 (November 22, 2010): 14–20. http://dx.doi.org/10.3762/bjnano.1.3.

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Hydrothermally grown ZnO nanorods have inherent crystalline defects primarily due to oxygen vacancies that enhance optical absorption in the visible spectrum, opening up possibilities for visible light photocatalysis. Comparison of photocatalytic activity of ZnO nanorods and nanoparticle films on a test contaminant methylene blue with visible light irradiation at 72 kilolux (klx) showed that ZnO nanorods are 12–24% more active than ZnO nanoparticulate films. This can be directly attributed to the increased effective surface area for adsorption of target contaminant molecules. Defects, in the f

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17

Bao Quan Tran, Hai Dang Ngo, and Thi Kim Hang Pham. "Influence of Growth Temperature on Morphological and Structural Properties of Sputtered- Zinc Oxide Nanorods." Journal of Technical Education Science 19, SI03 (2024): 24–29. http://dx.doi.org/10.54644/jte.2024.1404.

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Zinc oxide is highly sought after for several applications in biology, optoelectronics, electronics, and sensing. Zinc oxide nanorods exhibit a high exciton binding energy and a wide direct band gap, making them an attractive material for ultraviolet optoelectronic devices in the compound semiconductor field. This investigation focuses mainly on the influence of growing temperature on the crystal structure and surface morphology of ZnO nanorods, specifically for their application as UV photodetectors. Si (100) substrates were utilized for the growth of ZnO nanorods using radio frequency magnet

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18

Kumar Bhoi, Neeraj, Harpreet Singh, and Saurabh Pratap. "Synthesis and characterization of zinc oxide reinforced aluminum metal matrix composite produced by microwave sintering." Journal of Composite Materials 54, no. 24 (2020): 3625–36. http://dx.doi.org/10.1177/0021998320918646.

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The study focuses on the microstructural, phase transformation, and physical and mechanical aspects of aluminum/zinc oxide composite produced by a hybrid microwave sintering technique. In the present case, zinc oxide nanorods were synthesized through a cost-effective thermal decomposition method. The obtained zinc oxide nanorods’ length was in the range of 76–168 nm observed through high-resolution transmission electron microscopy images and crystallinity nature was confirmed by the bright spot in the selected area electron diffraction pattern. Two different wt% (i.e. 0.5 and 2) of zinc oxide

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19

de Peres, Matheus Lemos, Rafael de Avila Delucis, Sandro Campos Amico, and Darci Alberto Gatto. "Zinc oxide nanoparticles from microwave-assisted solvothermal process: Photocatalytic performance and use for wood protection against xylophagous fungus." Nanomaterials and Nanotechnology 9 (January 1, 2019): 184798041987620. http://dx.doi.org/10.1177/1847980419876201.

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Nano- and micro-oxides are promising materials due to several interesting characteristics such as photocatalytic and antimicrobial role. In this work, zinc oxide nanorods were obtained by microwave-assisted solvothermal process and their photocatalytic performance and action for wood protection against wood-decay fungus was studied. The morphological (scanning electron microscopy and transmission electron microscopy analyses), microstructural (X-ray powder diffraction analysis) and chemical (infrared spectroscopy) characteristics of the oxide-based nanostructures were investigated. Moreover, p

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20

Sarip, Nurulnadia, Che Ani Norhidayah, Sharul Ashikin Kamaruddin, Farhanahani Mahmud, Siti Nooraya Mohd Tawil, and Mohd Zainizan Sahdan. "Synthesis and Characterization of Zinc Oxide Nanostructures by Different Sonication Period." Advanced Materials Research 925 (April 2014): 110–14. http://dx.doi.org/10.4028/www.scientific.net/amr.925.110.

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Zinc oxide (ZnO) is a wide band gap semiconductor material (3.37 eV) with numerous present applications such as varistors, surface acoustic wave devices and future biomedical applications. ZnO nanorods were grown under specific growth condition by an inexpensive and simple, chemical bath deposition method on ZnO seeded glass substrates. Study of the ZnO nanorods over different precursors, i.e zinc acetate dehydrate and zinc nitrate hexahydrate, and sonication period ranging from 0 to 120 seconds by field emission scanning electron microscope (FESEM), including the nanorod size and the surface

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21

Li, Hui Feng, Jian Wang, Yun Hua Huang, and Yue Zhang. "Three-Dimensional Zinc Oxide Nanorod Networks." Advanced Materials Research 79-82 (August 2009): 457–60. http://dx.doi.org/10.4028/www.scientific.net/amr.79-82.457.

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Three-dimensional (3D) ZnO nanorod networks were synthesized through the direct evaporation of metal zinc with high purity via a chymical evaporation deposition (CVD) method in Ar and O2 at 910 °C without any catalyst. The nanorod networks of as-synthesized ZnO were characterized using scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), and X-ray diffraction (XRD). The branches within one network show very regular orientation relationships: either perpendicular or parallel to each other. The nanorods follow a growth direction [0001]. Photoluminescence

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22

V. Nandhakumar, J. Princess Gracia, J. Prince Richard, N. Balasubramanian, and G. Suganya. "SYNTHESIS OF ZINC OXIDE NANORODS USING Ficus benghalensis AERIAL ROOT EXTRACT AND ITS ENHANCED ANTI-INFLAMMATORY AND ANTIBACTERIAL ACTIVITIES AGAINST DENTAL BACTERIA." RASAYAN Journal of Chemistry 16, no. 03 (2023): 1245–53. http://dx.doi.org/10.31788/rjc.2023.1638141.

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High-purity Zinc Oxide and Ficus benghalensis – Zinc Oxide Nanorods were developed by hydrothermal method. The physio-chemical characteristics of the Nanorods were investigated. X-ray Diffraction spectrum confirms the formation of well crystalline nanorods along (101) orientation. The particle size of as-synthesized Nano rods was noticed to be lesser than the chemically synthesized Zinc Oxide nanorods. The PL spectrum shows a broad red emission peak and a sharp blue emission peak. The width of the energy gap of nanorods is lesser than the chemically synthesized ones. The functional groups of t

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23

Witkowski, Bartlomiej S., Lukasz Wachnicki, Sylwia Gieraltowska, Anna Reszka, Bogdan J. Kowalski, and Marek Godlewski. "Low-Temperature Cathodoluminescence Investigations of High-Quality Zinc Oxide Nanorods." Microscopy and Microanalysis 21, no. 3 (2015): 564–69. http://dx.doi.org/10.1017/s1431927615000264.

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AbstractWe present results of cathodoluminescence (CL) investigations of high-quality zinc oxide (ZnO) nanorods obtained by an extremely fast hydrothermal method on a silicon substrate. A scanning electron microscopy (SEM) system equipped with CL allows direct comparison of SEM images and CL maps, taken from exactly the same areas of samples. Investigations are performed at a temperature of 5 K. An interlink between sample microstructure and emission properties is investigated. CL confirms a very high quality of ZnO nanorods produced by our method. In addition, the presence of super radiation

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Sharmila, D. J., J. Brijitta, and R. Sampathkumar. "Enhanced Dielectric Properties of Polypropylene based Composite using Zinc Oxide Nanorods Filler." Journal of Surface Science and Technology 33, no. 3-4 (2017): 115. http://dx.doi.org/10.18311/jsst/2017/16187.

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<p>Polypropylene and zinc oxide nanorods composites were prepared by combination of solution and mixture melting methods. Dielectric properties of the composite thin films were studied to see if zinc oxide nanorods have effect on the dielectric properties of polypropylene thin film. Introduction of zinc oxide nanorods at low filler content in the polypropylene matrix significantly improves the dielectric constant of the matrix. Simultaneously the structure of the composites was characterized by UV, XRD and SEM to understand the features in the structure that determine the functionality o

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Ryabko A. A., Mazing D.S., Bobkov A. A., et al. "Interface doping of zinc oxide nanorods." Physics of the Solid State 64, no. 11 (2022): 1657. http://dx.doi.org/10.21883/pss.2022.11.54187.408.

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The effect of an increase in the electrical conductivity of a system of zinc oxide nanorods by a factor of 105 during atomic layer deposition of a thin dielectric layer of aluminum oxide was found. It is shown that a change in the electrical conductivity of zinc oxide during atomic layer deposition of aluminum oxide on the surface is also observed for thin polycrystalline layers of zinc oxide. A study of polycrystalline layers of zinc oxide coated with aluminum oxide using ultraviolet and X-ray photoelectron spectroscopy is presented. Based on the results of photoelectron spectroscopy, two mai

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26

Wong, C. P., and C. L. Mak. "Fabrication and Characterization of ZnO Nanorod Arrays Grown on Nickel-Coated Polyester Fiber." Advanced Materials Research 463-464 (February 2012): 385–93. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.385.

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Vertical-aligned arrays of zinc oxide (ZnO) nanorod were grown on nickel-coated polyester s for future development of ZnO nanorod-based solar cells. ZnO nanorods with aspect ratio of three were deposited by chemical solution deposition (CBD). Besides, an underlying ZnO seed layer was introduced to grow large-area and continuous layer of ZnO nanorods using pulsed laser deposition (PLD). Structurally, dominating XRD diffraction of the ZnO nanorod arrays was occurred at lattice plane (002) and a specific Raman spectrum was also obtained. Optically, bandgap energy of the ZnO nanorods was 3.95 eV.

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27

Wu, Tung-Lung, Teen-Hang Meen, and Yu-Chuan Chang. "Effect of Ga Concentration on the Output Performance of ZnO Piezoelectric Nanorods Nanogenerator." Applied Functional Materials 3, no. 2 (2023): 8–17. http://dx.doi.org/10.35745/afm2023v03.02.0002.

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In this study, a self-assembled monolayer of octyltriethoxysilane was grown on ITO glass. Subsequently, a hydrothermal method was employed to grow low-density gallium (Ga)-doped zinc oxide (ZnO) nanorod structures. In this growth process, the undoped pure ZnO nanorods and ZnO nanorods doped with five different Ga concentrations were developed. After growing the nanorods, X-ray diffraction (XRD) analysis was conducted on both undoped pure ZnO and Ga-doped ZnO nanorods to observe the influence of Ga concentration on the crystalline structure of the ZnO nanorods. Additionally, scanning electron m

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Karami, Hassan, and Elham Fakoori. "Synthesis and Characterization of ZnO Nanorods Based on a New Gel Pyrolysis Method." Journal of Nanomaterials 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/628203.

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ZnO nanorods were fabricated by a template-free gel pyrrolysis method based on polyvinyl alcohol (PVA) polymeric network. In the present method, zinc salt precursor is trapped in the homogenized gel network to control the mechanism and kinetics of zinc salt calcinations process. By controlling the gel structure and gel pyrrolysis rate, zinc salt precursor can be calcinated to zinc oxide nanorods. The morphology and particle size of the synthesized sample depend on some parameters including amount of zinc salt and PVA in the initial solution, type and composition of the solvent, type and amount

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Mageswari, S., and Balan Palanivel. "Influence of Al, Ta Doped ZnO Seed Layer on the Structure, Morphology and Optical Properties of ZnO Nanorods." Current Smart Materials 4, no. 1 (2019): 45–58. http://dx.doi.org/10.2174/2405465804666190326150628.

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Background: Zinc oxide (ZnO) is one of the most attractive II-VI semiconductor oxide material, because of its direct wide band gap (3.37 eV) and large binding energy (60 meV). Zinc oxide (ZnO) is a promising semiconductor due to its optimised optical properties. Among semiconductor nanostructures, the vertically aligned one-dimensional ZnO nanorods are very important for nano device application. Methods: Vertically aligned ZnO nanorod arrays were grown on ZnO, aluminum doped ZnO (ZnO:Al), tantalum doped ZnO (ZnO:Ta) and aluminum and tantalum co-doped ZnO (ZnO:Al,Ta) seed layer by hydrothermal

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Jayakumar, Srilekha, Ramaprabha Balasubramanian, Nandhini Ambalavanan, Anbarasu Subramanian, H. Shalini, and Raja Chandrasekaran. "Antibacterial Effectiveness of Zinc Oxide and Magnesium Oxide Nanoparticles Against Enterococcus faecalis: An In Vitro Study." Journal of International Oral Health 17, no. 2 (2025): 96–105. https://doi.org/10.4103/jioh.jioh_164_24.

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Abstract Background: Persistent endodontic infections, often attributed to Enterococcus faecalis, pose a significant challenge to successful root canal treatment. Conventional disinfection methods have limitations in eradicating bacteria within complex root canal anatomy. Nanoparticles (NPs) have evolved as favorable antibacterial agents due to their distinctive properties. Aim: To compare the antimicrobial activity of ZnO and MgO NPs (nanorods and nanospheres) with 3% sodium hypochlorite (NaOCl) against E. faecalis (American-type culture collection [ATCC] 29212 and a clinical oral isolate) us

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Nkhaili, Lahcen, Abdelkader El Kissani, Hind El Aakib, et al. "Controlled Synthesis of Oriented Zinc Oxide Nanowires Arrays by Electrochemical Deposition on Sputtered Layer." Journal of Nano Research 67 (April 2021): 15–24. http://dx.doi.org/10.4028/www.scientific.net/jnanor.67.15.

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In this study, dense zinc oxide nanowires were electrochemically synthesized on sputtered zinc oxide buffer layers substrates using a solution of zinc chloride as a precursor. The control of nanowires density was studied. X-Ray Diffraction patterns revealed the formation of pure wurtzite zinc oxide structure. The mechanism of the formation of zinc oxide nanorods from the nucleation to the growth stage is proposed based on the study of the deposition parameters. Optical analysis reveals that these films can be involved in solar cells as window layers. Moreover, controlling structural properties

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Farmer, Kevin, Parameswar Hari, and Kenneth Roberts. "pH study of zinc oxide nanorods grown on indium tin oxide coated substrate,." Canadian Journal of Physics 92, no. 7/8 (2014): 838–41. http://dx.doi.org/10.1139/cjp-2013-0616.

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Controlled growth of ZnO nanorods on various substrates is of great interest in photonic and electronic device applications. Also of interest is increasing the optical activity of zinc oxide nanorods in the visible spectrum. In this study, we report pH dependence for the morphology and photoluminescence of aligned ZnO nanorods grown on an indium tin oxide (ITO) coated glass substrate deposited by a wet chemical bath deposition method. The ZnO nanorods were grown by a chemical bath deposition technique using equimolar ratios of zinc (II) nitrate and hexamethylenetetramine in solution at 95 °C.

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Emel’chenko, G. A., A. N. Gruzintsev, A. B. Kulakov, et al. "Luminescence of zinc oxide nanorods." Semiconductors 41, no. 2 (2007): 176–79. http://dx.doi.org/10.1134/s1063782607020121.

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Li, J. Y., X. L. Chen, H. Li, M. He, and Z. Y. Qiao. "Fabrication of zinc oxide nanorods." Journal of Crystal Growth 233, no. 1-2 (2001): 5–7. http://dx.doi.org/10.1016/s0022-0248(01)01509-3.

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Zhou, Boyang, and Takashi Sagawa. "Comb-shaped Sb₂S₃ nanorod arrays on ZnO nanofibers for thin-film photovoltaics." AIP Advances 12, no. 11 (2022): 115119. http://dx.doi.org/10.1063/5.0124401.

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A hierarchical composite of Sb2S3 nanorods grown on zinc oxide (ZnO) nanofiber was prepared, and the formation of comb-shaped Sb2S3 nanorod arrays on the ZnO nanofibers was confirmed. It was found that the size of the diameter and the density of the nanorods are regulatable by changing the concentration of polyvinyl pyrrolidone as an additive for the growth of Sb2S3 nanorod on ZnO nanofiber. The obtained Sb2S3 nanorod arrays were applied as a light absorber for thin-film solar cells composed of glass-fluorine-doped tin oxide/compact ZnO/ZnO nanofibers−ZnS/Sb2S3 nanorod arrays/poly(3-hexylthiop

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Tsai, Jenn Kai, Ju Yu Wei, Yi Chi Chen, You Cheng Jheng, and Teen Hang Meen. "Characteristic of Al-Doped ZnO Nanorods by a Hydrothermal Process." Key Engineering Materials 434-435 (March 2010): 646–48. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.646.

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In this study, well-aligned single-crystalline zinc oxide (ZnO) nanorods arrays were synthesized on Si substrate by simple hydrothermal process in dilute aqueous solution which consisting of zinc nitrate tetrahydrate (Zn(NO3)2•4H2O) and hexamethyltetramine (C6H12N4, HMT) at 90 °C, in the autoclave. ZnO thin film was pre-deposited on Si substrate by the sputter deposition to serve as the seed layer. Aluminum nitrite (Al(NO3)3) also has been mixed into reaction solution. Al doped ZnO nanorod arrays were fabricated successfully. ZnO nanorods were characterized by high resolution X-ray diffraction

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J. Mohammed, Ali, Jalal J. Hassan, S. J Kasim, and M. A. Mahdi. "Structural, Morphological, and Optical Properties of Zinc Oxide Nanorods for LPG sensor." Journal of Kufa-Physics 9, no. 2 (2017): 140–48. http://dx.doi.org/10.31257/2018/jkp/2017/v9.i2.9430.

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In this research, zinc oxide nanorods were prepared by chemical bath deposition method (CBD) through using raw materials on the glass substrate. The crystalline structure, surface morphology, elemental composition and optical properties of ZnO were studied by X-ray diffraction pattern (XRD), field emission scanning electron microscopy (FESEM), energy dispersive spectrometers (energy-dispersive X-ray spectroscopy EDXS), and UV-vis spectrophotometer, respectively. The sensing properties of the ZnO nanorod arrays were determined for different flows and temperatures. The results indicate that the

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Mohamed, Ruziana, Zuraida Khusaimi, Nurul Afaah Abdullah, Aadila Aziz, Mohamad Hafiz Mamat, and Mohamad Rusop. "Morphological, Structural and Optical Properties of Mg Doped ZnO Nanostructured Growth by Aqueous Solution Method." Materials Science Forum 846 (March 2016): 454–58. http://dx.doi.org/10.4028/www.scientific.net/msf.846.454.

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Mg doped Zinc oxide nanorods films were successfully deposited on glass substrate prepared by aqueous solution-immersion method. The influence of annealing temperature on the nanorod films were studied at different annealing temperatures 0°C, 250°C and 500°C respectively. FESEM showed the morphology of the films with hexagonal nanorods growth. XRD results indicated the crystalline structure of ZnO doped Mg nanorods films where the peak intensity of ZnO was decreased as annealing temperature increases. Photoluminescence (PL) measurement at room temperature showed the increasing of intensity pea

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Gerbreders, V., P. Sarajevs, I. Mihailova, and E. Tamanis. "The Kinetic Study of The Hydrothermal Growth of Zno Nanorod Array Films / Zno Nanostieņu Kopu Pārklājuma Hidrotermālās Augšanas Kinētikas Izpēte." Latvian Journal of Physics and Technical Sciences 52, no. 5 (2015): 20–27. http://dx.doi.org/10.1515/lpts-2015-0025.

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Abstract The simple analysis method has been introduced for the kinetic analysis of the hydrothermal growth. The zinc oxide nanorod arrays have been synthesized via a hydrothermal process. Zinc nitrate hexahydrate (Zn(NO3)2 · 6H2O) has been used as the precursor in the presence of hexamethylenetetramine (C6H12N4) for the formation of ZnO nanostructures. Long-term isothermal growth kinetics of ZnO nanorods has been investigated. The effect of the solution temperature (70-90 ℃) on the kinetics of the hydrothermal growth of ZnO nanorods has been examined. An extensive analysis by scanning electro

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Cao, Yali, Lang Liu, Dienzeng Jia, and Ding Quan Xiao. "Rapid Synthesis of Zinc Oxide and Lead Oxide Nanorods by One-Step Solid-State Reaction Methods at Ambient Conditions." Materials Science Forum 475-479 (January 2005): 3579–82. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3579.

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A simple and facilitate method was reported to synthesize zinc oxide and lead oxide nanorods. Two metal oxides nanorods were directly obtained from grinding solid metallic salts and sodium hydroxide in agate mortar with the assistance of a suitable surfactant in only one step, which is different from the results of hydroxides in solution. The as-prepared products were characterized by XRD, TEM and SEM. An explanation describing possible mechanism for the rod-formation is given.

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Fang, Fang, John Futter, Andreas Markwitz, and John Kennedy. "Synthesis of Zinc Oxide Nanorods and their Sensing Properties." Materials Science Forum 700 (September 2011): 150–53. http://dx.doi.org/10.4028/www.scientific.net/msf.700.150.

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Zinc oxide (ZnO) nanorods have been synthesized via the arc discharge method. Different cathode materials, graphite and copper, were applied to modulate the morphology and UV & humidity sensing properties of the as-synthesized ZnO nanorods. Compared with ZnO nanorods synthesized by graphite cathode, shorter length and other spherical and cubical structures were also detected for those ZnO nanorods synthesized by copper cathode. A better UV-sensitive photoconduction and higher humidity sensitivity were detected for ZnO nanorods synthesized by graphite cathode than those obtained by copper c

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Kurbanov, S. S., Sh Z. Urolov, Z. Sh Shaymardanov, and R. R. Jalolov. "STUDY OF NANOSTRUCTURES OF ZINC OXIDE SYNTHESIZED BY LOW-TEMPERATURE HYDROTHERMAL METHOD." «Узбекский физический журнал» 20, no. 4 (2018): 209–17. http://dx.doi.org/10.52304/.v20i4.94.

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Room temperature photoluminescence (PL) properties of vertically aligned and spindle-shaped, randomly oriented ZnO nanorods synthesized by using a low temperature hydrothermal method are studied. In air, the vertically aligned ZnO nanorods oriented mainly parallel to the luminescencerecording axis exhibited only one, very strong UV emission peak at 382 nm. This band is assigned to emission of free excitons. A new violet PL band near 400 nm arises with increasing angle between the nanorod growth direction and the luminescence-recording axis. The violet band also appears under UV illumination in

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SEITOV, B. ZH, and A. E. KAZBEK. "OBTAINING ZINC OXIDE NANORODS BY HYDROTHERMAL METHOD." Q A Iasaýı atyndaǵy Halyqaralyq qazaq-túrіk ýnıversıtetіnіń habarlary (fızıka matematıka ınformatıka serııasy), no. 2 (June 15, 2022): 34–41. http://dx.doi.org/10.47526/2022-2/2524-0080.03.

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Thin films of zinc oxide (ZnO) are very promising for thin-film transistors, solar panels, sensors and optoelectronic devices. The article presents the structural properties and morphology of zinc oxide (ZnO) obtained by hydrothermal synthesis. ZnO nanofilms (as a seed layer) were deposited by the sol-gel method on the glass surface of STO. The results of the experiment showed that the concentration of chemical reagents in the process of sol-gel transformation has a strong effect on the properties of ZnO films. Samples of ZnO nanorods on the surface of the nanofilm were obtained by hydrotherma

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Nikam, Sandip M., Tanaji S. Patil, Nilam A. Nimbalkar, et al. "Annealing-Driven Modifications in ZnO Nanorod Thin Films and Their Impact on NO2 Sensing Performance." Micromachines 16, no. 7 (2025): 778. https://doi.org/10.3390/mi16070778.

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This research examines the effect of annealing temperature on the growth orientation of zinc oxide (ZnO) nanorods and its subsequent influence on NO2 gas sensing efficiency. Zinc oxide (ZnO) nanorods were synthesized using the chemical bath deposition method, followed by annealing at 300, 400, and 500 °C. Diffraction analysis confirmed that both non-annealed and annealed ZnO nanorods crystallize in a hexagonal wurtzite structure. However, increasing the annealing temperature shifts the growth orientation from the c-axis (002) toward the (100) and (101) directions. Microscopy images (FE-SEM) re

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Ismail, Ahmad Syakirin, Mohd Firdaus Malek, Muhammad Amir Ridhwan Abdullah, Mohamad Hafiz Mamat, and M. Rusop. "Structural Properties of Stannic Oxide Coated Aluminium-Doped Zinc Oxide Nanorods." Advanced Materials Research 1109 (June 2015): 476–80. http://dx.doi.org/10.4028/www.scientific.net/amr.1109.476.

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Aluminium (Al) - doped zinc oxide (ZnO) nanorods was deposited using sol-gel immersion method. To study the effect of stannic oxide coating (SnO2) on the structural properties of the ZnO nanorods, SnO2with different layers were deposited on the top of ZnO nanorods, from 1 to 5 layers. The structural properties of the samples have been characterized using field emission scanning electron microscopy (FESEM), atomic force microscopy and x-ray diffraction (XRD). The analyses showed that by increasing the deposited layer, the surface roughness of the samples reduced and also reduced the porosity of

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Salleh, M. S., M. S. Aziz, M. F. Omar, et al. "The impact of nickel doping on the structural, morphological, optical and magnetic characteristics of zinc oxide nanorods." Journal of Physics: Conference Series 2974, no. 1 (2025): 012018. https://doi.org/10.1088/1742-6596/2974/1/012018.

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Abstract One-dimensional (1D) Ni-doped ZnO nanorods have been synthesised using two techniques: non-vacuum spray pyrolysis and sol-gel immersion. The work investigated the influence of Ni dopant on the structural, morphological, optical, and magnetic characteristics of undoped and Ni-doped ZnO nanorods by numerous analytical techniques including X-ray diffraction, scanning electron microscopy, UV-Vis spectrometer, and vibrating sample magnetometer. The Ni-doped material displays enhanced structural characteristics, such as vertically orientated nanorods with a high aspect ratio of 31.2 and a n

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Farhad, S. F. U., N. I. Tanvir, M. S. Bashar, and M. Sultana. "Synthesis and Characterization of c-Axis Oriented Zinc Oxide Thin Film and Its Use for the Subsequent Hydrothermal Growth of Zinc Oxide Nanorods." MRS Advances 4, no. 16 (2019): 921–28. http://dx.doi.org/10.1557/adv.2019.65.

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ABSTRACTOriented ZnO seed layers were deposited by three different techniques, namely, simple drop casting (DC), sol-gel derived dip coating (DPC) and spin coating of ball-milled ZnO powder solution(BMD) for the subsequent growth of vertically aligned ZnO nanorods along the substrate normal. X-ray diffraction (XRD) analyses revealed that ZnO(DC) seed layer exhibit the highest preferential c-axis texturing among the ZnO seed layers synthesized by different techniques. The Scanning Electron Microscopy (SEM) analysis evident that the morphology of ZnO seed layer surface is compact and coherently

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K. L. Foo, S. J. Tan, C. Y. Heah, et al. "Hydrothermal Growth Zinc Oxide Nanorods for pH Sensor Application." International Journal of Nanoelectronics and Materials (IJNeaM) 16, no. 4 (2024): 843–52. http://dx.doi.org/10.58915/ijneam.v16i3.1353.

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The aim of this work is to apply synthesized zinc oxide (ZnO) Nanorods using hydrothermal (HTL) growth technique for pH sensor application. The highly crystallite of ZnO Nanorods was obtained by anneal the growth ZnO Nanorods in furnace at 200 °C for 2 hours. Besides that, XRD analysis shows the produced ZnO Nanorods belonged to the (002) plane. Furthermore, Scanning Electron Microscope (SEM) images confirm that the ZnO Nanorods with hexagonal-faceted structural were successfully produced by HTL growth technique. In addition, Ultraviolet–visible (UV-Vis) spectrophotometer analysis shows that t

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Chen, Hsiang, Wei Ming Su, Yu-Tzu Chen, Chien-Cheng Lu, and Cheng-Yuan Weng. "Zinc Oxide Nanorod Growth on Au-coated Silverwire." Journal of New Materials for Electrochemical Systems 20, no. 2 (2017): 049–51. http://dx.doi.org/10.14447/jnmes.v20i2.296.

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In this study, zinc oxide nanostructures were grown on gold-coated silver wires by hydrothermal method. Multiple analyses on these nanostructures were performed to understand the structure and optical properties of zinc oxide on Au-plated silver wires, Owing to the Au-coated layer, ZnO nanorods could appear rather than ZnO nanoflakes on pure silver wires. Moreover, The deposited gold layer could vary zinc oxide nanostructures to nanorods The multiple analysis shows that lying flat ZnO structures with weak (002) crystalline structures and more defects could appear on the silver wire rather than

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Lai, Fang-I., Jui-Fu Yang, Wei-Chun Chen, Yu-Chao Hsu, and Shou-Yi Kuo. "Enhancing Dye-Sensitized Solar Cell Performance with Different Sizes of ZnO Nanorods Grown Using Multi-Step Growth." Catalysts 13, no. 9 (2023): 1254. http://dx.doi.org/10.3390/catal13091254.

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In this study, we employed a chemical solution method to grow zinc oxide (ZnO) nanorods on SnO2:F (FTO) substrates as photoelectrodes for dye-sensitized solar cells (DSSCs). The influence of varying ZnO nanorod dimensions on cell performance was investigated. Specifically, we explored the effects of nanorod length and diameter on dye adsorption capacity and photovoltaic conversion efficiency. Characterization techniques such as electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD), and field-emission scanning electron microscopy (FE-SEM) were utilized to analyze the ZnO nanorod

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