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Journal articles on the topic 'Zinc Oxide (ZnO) Synthesis'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Gharpure, Saee, and Balaprasad Ankamwar. "Synthesis and Antimicrobial Properties of Zinc Oxide Nanoparticles." Journal of Nanoscience and Nanotechnology 20, no. 10 (2020): 5977–96. http://dx.doi.org/10.1166/jnn.2020.18707.

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With increase in incidence of multidrug resistant pathogens, there is a demand to adapt newer approaches in order to combat these diseases as traditional therapy is insufficient for their treatment. Use of nanotechnology provides a promising alternative as antimicrobial agents as against traditional antibiotics. Metal oxides have been exploited for a long times for their antimicrobial properties. Zinc oxide nanoparticles (ZnO NPs) are preferred over other metal oxide nanoparticles because of their bio-compatible nature and excellent antibacterial potentials. The basic mechanism of bactericidal

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2

Aubekerov, K., K. N. Punegova, R. Sergeenko, et al. "Synthesis and study of gas sensitive ZnFe₂O₄-modified ZnO nanowires." Journal of Physics: Conference Series 2227, no. 1 (2022): 012014. http://dx.doi.org/10.1088/1742-6596/2227/1/012014.

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Abstract Currently, new nanostructured materials based on composite metal oxides is of great interest for the development of gas sensors with improved functional characteristics. In this work, zinc oxide nanowires were synthesized by hydrothermal method. Hierarchical ZnO/ZnFe2O4 nanostructures were obtained by immersion of zinc oxide layers in ferrous sulphate aqueous solution. The mechanism of zinc ferrite formation during the interaction of zinc oxide with iron sulphate is considered. The crystal structure of ZnO and ZnO/ZnFe2O4 were studied by Raman spectroscopy. The sensitivity of ZnO and

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3

Hessien, Manal, Amel Taha, and Enshirah Da’na. "Acacia nilotica Pods’ Extract Assisted-Hydrothermal Synthesis and Characterization of ZnO-CuO Nanocomposites." Materials 15, no. 6 (2022): 2291. http://dx.doi.org/10.3390/ma15062291.

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This work represents a novel combination between Acacia nilotica pods’ extract and the hydrothermal method to prepare nanoparticles of pure zinc oxide and pure copper oxide and nanocomposites of both oxides in different ratios. Five samples were prepared with different ratios of zinc oxide and copper oxide; 100% ZnO (ZC0), 75% ZnO: 25% CuO (ZC25), 50% ZnO: 50% CuO (ZC50), 25% ZnO: 75% CuO (ZC75), and 100% CuO (ZC100). Several techniques have been applied to characterize the prepared powders as FTIR, XRD, SEM, and TEM. The XRD results confirm the formation of the hexagonal wurtzite phase of zin

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4

Dr. M. K. Ajith, Dr M. K. Ajith, Dr S. Soumyalekshmi Dr. S. Soumyalekshmi, and Dr K. S. Anuraj Dr. K. S. Anuraj. "Synthesis of Zinc Oxide (ZnO) nanoparticles From Zinc Sulphate, for Inclusion in Animal Feeds." Global Journal For Research Analysis 3, no. 7 (2012): 9–10. http://dx.doi.org/10.15373/22778160/july2014/4.

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5

Nawal Hussien Mohammed and Abdulqadier Hussien Al khazraji. "Synthesis and study of zinc oxide nanoparticles and their nanocomposites." Journal of Pharmaceutical Negative Results 13, no. 4 (2022): 790–97. http://dx.doi.org/10.47750/pnr.2022.13.04.105.

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Zinc oxide nanoparticles (ZnO NPs) was synthesized via chemical route using sodium hydroxide and zinc chloride (ZnCl2) as a precursor. Zinc oxide nanoparticles/Nanographite-oxide nanocomposite (ZnO/NGO) were synthesized by solution method. The calcination temperature of zinc oxide nanoparticles was 600 °C. The crystal structure of ZnO NPs with average size 32.99 nm was measured by XRD. FT-IR spectrum was used to confirm the presence of functional groups in ZnO and Zn(OH)2 NPs. The dynamic light scattering (DLS) gave a wider nanoparticle size distribution in two peaks with average 725 nm, also

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6

Kim, Hansoo, and Wolfgang M. Sigmund. "Synthesis of hierarchical zinc oxide nanotubes." Journal of Materials Research 18, no. 12 (2003): 2845–50. http://dx.doi.org/10.1557/jmr.2003.0397.

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In this paper, we report on the synthesis and structure of hierarchical zinc oxide nanotubes. Hierarchical nanotubes grown by physical vaporization of zinc in the presence of a catalyst were decorated with many secondary zinc oxide nanorods on the outer surface. The axis of these nanotubes with an average diameter of 65 nm was aligned along the c axis of wurtzite zinc oxide. The hierarchical zinc oxide nanotubes, many of which were single crystals, were transparent or opaque, depending on whether they had a zinc layer inside. The opaque nanotubes showed an abrupt change in electronic transmitt

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7

Farhad, SFU, NI Tanvir, MS Bashar, MS Hossain, M. Sultana, and N. Khatun. "Facile synthesis of oriented zinc oxide seed layer for the hydrothermal growth of zinc oxide nanorods." Bangladesh Journal of Scientific and Industrial Research 53, no. 4 (2018): 233–44. http://dx.doi.org/10.3329/bjsir.v53i4.39186.

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Oriented zine oxide (ZnO) seed layers were deposited by simple drop casting of zinc acetate dihydrate (ZAD) solution on glass substrates at room temperature followed by a post-heat treatment at 250 oC. X-ray diffraction (XRD) analyses revealed that ZAD solutions with concentration 0.0025 – 0.0100 M produced amorphous type thin films, whereas 0.0200 M ZAD solutions produced ZnO seed layers with a preferential c-axis texturing.The Scanning Electron Microscopy (SEM) analyses evident that the morphology of ZnO seed layer surface is compact and coherently carpets the underlying glass substrate. ZnO

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8

Sohn, Hong Yong, and Arun Murali. "Plasma Synthesis of Advanced Metal Oxide Nanoparticles and Their Applications as Transparent Conducting Oxide Thin Films." Molecules 26, no. 5 (2021): 1456. http://dx.doi.org/10.3390/molecules26051456.

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This article reviews and summarizes work recently performed in this laboratory on the synthesis of advanced transparent conducting oxide nanopowders by the use of plasma. The nanopowders thus synthesized include indium tin oxide (ITO), zinc oxide (ZnO) and tin-doped zinc oxide (TZO), aluminum-doped zinc oxide (AZO), and indium-doped zinc oxide (IZO). These oxides have excellent transparent conducting properties, among other useful characteristics. ZnO and TZO also has photocatalytic properties. The synthesis of these materials started with the selection of the suitable precursors, which were i

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9

Kaenphakdee, Sujittra, Pimpaka Putthithanas, Supan Yodyingyong, et al. "Zinc Oxide Synthesis from Extreme Ratios of Zinc Acetate and Zinc Nitrate: Synergistic Morphology." Materials 15, no. 2 (2022): 570. http://dx.doi.org/10.3390/ma15020570.

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The synthesis of ZnO comprising different ratios of zinc acetate (ZA) and zinc nitrate (ZN) from the respective zinc precursor solutions was successfully completed via a simple precipitation method. Zinc oxide powders with different mole ratios of ZA/ZN were produced—80/1, 40/1, and 20/1. The crystallinity, microstructure, and optical properties of all produced ZnO powders were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and UV-Vis-NIR spectrophotometry. The average agglomerated particle sizes of ZnO-80/1, ZnO-40/1, and ZnO-20/1 were measured at 655, 640, a

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Alqahtani, Mohammed S., S. H. Mohamed, Z. A. Alrowaili, and N. M. A. Hadia. "Ellipsometric evaluation and morphology of mixed zinc sulfide/zinc oxide and zinc oxide nanostructures synthesized at various temperatures." Canadian Journal of Physics 98, no. 7 (2020): 689–94. http://dx.doi.org/10.1139/cjp-2018-0945.

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The aim of this work was to carry out systematic studies of how synthesis temperatures affect the morphology and properties of mixed zinc sulfide/zinc oxide (ZnSxOy and ZnO) nanostructures, and to get reliable data on optical constants of ZnSxOy and ZnO nanowires/nanobelts (NW/NB) for the use in device applications. ZnSxOy and ZnO NWs/NBs were fabricated using vapor transport in an open-end tube. Mixed ZnS0.47O0.62NWs was obtained at the synthesis temperature of 850 °C. The sulfur content disappeared as the temperature increased to 950 °C and 1050 °C and the morphology changed to a mixture of

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11

Kumar, Harish, and Manisha Kumari. "SYNTHESIS, CHARACTERIZATION, AND ANTIBACTERIAL STUDY OF ZINC OXIDE-GRAPHENE NANOCOMPOSITES." Asian Journal of Pharmaceutical and Clinical Research 10, no. 9 (2017): 206. http://dx.doi.org/10.22159/ajpcr.2017.v10i9.19459.

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Objectives: A novel facile synthesis of zinc oxide (ZnO) and zinc-graphene oxide nanocomposites (ZnGONC) was achieved by modified sol-geltechnique for their pharmaceutical and therapeutic use.Materials and Methods: Spherical, crystalline, defect-free Zinc oxide nanoparticles (ZnO NPs) with diameter 70-90 nm were synthesized by modifiedsol-gel technique. Reduced graphene oxide was synthesized by modified Hummers method. ZnGONC were synthesized by in situ method. The crystallinenature, size, shape, and dimensions of the NPs, graphene oxide, and nanocomposites were studied by X-ray diffraction me

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12

Junaid, Muhammad. "Synthesis of Zinc Oxide Nanoparticles by Sol-gel method to Study its Structural Optical Properties and Morphology." JOURNAL OF NANOSCOPE (JN) 3, no. 1 (2022): 29–36. http://dx.doi.org/10.52700/jn.v3i1.51.

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Zinc oxide nanoparticles can be classified as a multipurpose material, along with their distinctive features and applications in optoelectronic devices. This research looks at the morphological, structural, and optical features of zinc oxide (ZnO) nanoparticles. The sol-gel procedure has been used to form zinc oxide nanoparticles with zinc nitrate [Zn (NO3)2.4H2O] and sodium hydroxide [NaOH] as precursors. The main objective is to synthesize zinc oxide (ZnO) nanoparticles by using the sol-gel approach because that is easy to implement and offers the capacity to adjust particle size and morphol

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13

Jha, Pankaj Kumar, Chamorn Chawengkijwanich, Chonlada Pokum, Pichai Soisan, and Kuaanan Techato. "Antibacterial Activities of Biosynthesized Zinc Oxide Nanoparticles and Silver-Zinc Oxide Nanocomposites using Camellia Sinensis Leaf Extract." Trends in Sciences 20, no. 3 (2023): 5649. http://dx.doi.org/10.48048/tis.2023.5649.

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Green route of nanomaterials synthesis is increasing in demand due to ecofriendly to the environment. In this research, objective is to biosynthesize and evaluate the antibacterial performance of pure ZnO and Ag/ZnO nanocomposites using Camellia sinensis leaf extracts. Pure ZnO nanoparticles and Ag/ZnO nanocomposites were synthesized using Camellia sinensis leaf extract. The antibacterial effectiveness against gram-positive (Staphylococcus aureus) and gram-negative (Escherichia coli) bacteria were examined and compared with 1 % Chlorox as a commercial disinfectant by well diffusion method base

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14

Aqeel, Tariq, and Heather F. Greer. "Quantum-Sized Zinc Oxide Nanoparticles Synthesised within Mesoporous Silica (SBA-11) by Humid Thermal Decomposition of Zinc Acetate." Crystals 10, no. 6 (2020): 549. http://dx.doi.org/10.3390/cryst10060549.

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A modified facile method is presented to synthesise quantum-sized zinc oxide nanoparticles within the pores of a mesoporous silica host (SBA-11). This method eliminates the 3 h alcohol reflux and the basic solution reaction steps of zinc acetate. The mesoporous structure and the ZnO nanoparticles were analysed by X-ray diffractometry, transmission electron microscopy, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, nitrogen sorption analysis and UV–VIS spectroscopy. These tests confirm the synthesis of ~1 nm sized ZnO within the pores of SBA-11 and that the porous struc

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15

Pookmanee, Pusit, S. Khuanphet, and Sukon Phanichphant. "Hydrothermal Synthesis of Zinc Oxide (ZnO) Microparticle." Advanced Materials Research 55-57 (August 2008): 845–48. http://dx.doi.org/10.4028/www.scientific.net/amr.55-57.845.

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Zinc oxide (ZnO) microparticle was synthesized by hydrothermal route using zinc acetate and ammonium hydroxide as the starting precursors in the mole ratio of 1:6. The final mixture solution was adjust with pH of 9 and treated in PTFE-line autoclave at 100 oC for 2, 4 and 6 h. The precipitate was washed with deionized water until the final pH solution of 7 and then dried at 100 oC for 4h. The phase structure was examined by X-ray diffraction (XRD). A single phase hexagonal structure was obtained without calcination step. Microstructure was investigated by scanning electron microscopy (SEM). Th

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16

Sabir, Sidra, Muhammad Arshad, and Sunbal Khalil Chaudhari. "Zinc Oxide Nanoparticles for Revolutionizing Agriculture: Synthesis and Applications." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/925494.

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Nanotechnology is the most innovative field of 21st century. Extensive research is going on for commercializing nanoproducts throughout the world. Due to their unique properties, nanoparticles have gained considerable importance compared to bulk counterparts. Among other metal nanoparticles, zinc oxide nanoparticles are very much important due to their utilization in gas sensors, biosensors, cosmetics, drug-delivery systems, and so forth. Zinc oxide nanoparticles (ZnO NPs) also have remarkable optical, physical, and antimicrobial properties and therefore have great potential to enhance agricul

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17

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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18

Srinivasan, Manoj Kumar, Bichandarkoil Jayaram Pratima, Ravichandiran Ragunath, Briska Jifrina Premnath, and Namasivayam Nalini. "ZnO Nanoparticles Synthesis, Toxicity, Delivery systems and Bio medical applications." Research Journal of Biotechnology 18, no. 4 (2023): 141–55. http://dx.doi.org/10.25303/1804rjbt1410155.

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In recent decades, metal oxide nanoparticles have acquired relevance in biology and medicine due to their unique physicochemical properties. Because of its cheap cost, biodegradability and low toxicity, zinc oxide nanoparticles (ZnO-NPs) have attracted a lot of interest from researchers for therapeutic and diagnostic applications. Zinc oxide (ZnO) has been studied for various biological applications due to its unique semiconducting, optical and piezoelectric characteristics. The growing interest in nano zinc oxide has led to the discovery and development of nanoparticle production technologies

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19

Roberson, Myisha, Vijaya Rangari, Shaik Jeelani, Temesgen Samuel, and Clayton Yates. "Synthesis and Characterization Silver, Zinc Oxide and Hybrid Silver/Zinc Oxide Nanoparticles for Antimicrobial Applications." Nano LIFE 04, no. 01 (2014): 1440003. http://dx.doi.org/10.1142/s1793984414400030.

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Silver ( Ag ) and zinc oxide ( ZnO ) are well known for both antimicrobial and pro-healing properties. Here, we present a novel method to synthesize Ag and ZnO nanoparticles (NPs), as well as hybrid Ag / ZnO NPs using a custom, temperature controlled microwave assisted technique. Microwave synthesis has been shown not only to enhance the rate of chemical reactions, but also in some cases to give higher product yields over thermal heating. The as-synthesized NPs were characterized by X-ray diffraction (XRD) to study the crystalline structure, composition and purity. Transmission electron micros

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20

Bhandari, Khagendra P., Dhurba R. Sapkota, Manoj K. Jamarkattel, Quenton Stillion, and Robert W. Collins. "Zinc Oxide Nanoparticles—Solution-Based Synthesis and Characterizations." Nanomaterials 13, no. 11 (2023): 1795. http://dx.doi.org/10.3390/nano13111795.

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Zinc oxide (ZnO) nanoparticles have shown great potential because of their versatile and promising applications in different fields, including solar cells. Various methods of synthesizing ZnO materials have been reported. In this work, controlled synthesis of ZnO nanoparticles was achieved via a simple, cost-effective, and facile synthetic method. Using transmittance spectra and film thickness of ZnO, the optical band gap energies were calculated. For as-synthesized and annealed ZnO films, the bandgap energies were found to be 3.40 eV and 3.30 eV, respectively. The nature of the optical transi

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Chen, Bo Wei, Yu Tie Bi, and Lin Zhang. "Synthesis and Structure of Zinc Oxide Aerogel." Advanced Materials Research 532-533 (June 2012): 140–43. http://dx.doi.org/10.4028/www.scientific.net/amr.532-533.140.

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The zinc-based aerogel was synthesized via a sol-gel route that it was processed using Zinc chloride as precursor, polyacrylic acid as the template and propylene oxide as the gelation agent. The Zn-based aerogel is formed the length and cross-link of the zinc chloride hydroxide chain, owing to a dominant influence of PAA on the nucleation and growth position of sol nucleus. Nevertheless, ZnO aerogel was prepared with the method that the zinc-based aerogel was calcined at 400°C. Consequently, the RWP value was in reasonable 7.35% according to X-ray diffraction pattern (XRD) refinement. The crys

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Meng, Lingling, Lina Du, Yaqiong Shen, Shan Cong, Qiuyan Zhai, and Yan Wang. "Biosynthesis and Characterization of Zinc Oxide Nanoparticles for the Systemic Treatment of Patients with Lymphoma in Nursing Care." Science of Advanced Materials 12, no. 1 (2020): 137–43. http://dx.doi.org/10.1166/sam.2020.3529.

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Zinc oxide (ZnO) nanoparticles recently are of significant consideration because of their applications as nontoxic metal oxides. This study is mainly intended to improve a simple, efficient, and environment-friendly method for preparation of ZnO nanoparticles. This process has been developed based on plant-intervened synthesis by making use of microwave Saturejahortensis aqueous extract. We have further characterized the obtained Zinc oxide nanoparticles by using different techniques. Additionally, their cytotoxic potential was inspected via MTT assay against both B lymphoma, A20 and T lymphom

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23

Konne, Joshua Lelesi, and Bright Obum Christopher. "Sol-Gel Syntheses of Zinc Oxide and Hydrogenated Zinc Oxide (ZnO:H) Phases." Journal of Nanotechnology 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/5219850.

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ZnO synthesized by chemical precipitation with varying starch concentrations (0.00, 0.01, 0.02, 0.05, 0.10, 0.15, and 0.20%) as stabilizing agent was used in making ZnO:H when placed in a glass tube under mild heat and hydrogen (H2) gas flow for 2 mins. Observations showed that the sample colour changed from white to light brown and finally to dark brown during the process particularly for the ZnO-starch samples. XRD data of ZnO (0.02%) and ZnO:H (0.02%) showed ZnO as the major phase with Zn(OH)2 impurity phase and a new ZnO:H peak at 2θ, 29.60° for ZnO and ZnO:H, respectively. The estimated p

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Alhujaily, Muhanad, Salim Albukhaty, Mohammad Yusuf, et al. "Recent Advances in Plant-Mediated Zinc Oxide Nanoparticles with Their Significant Biomedical Properties." Bioengineering 9, no. 10 (2022): 541. http://dx.doi.org/10.3390/bioengineering9100541.

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Compared to traditional physical and chemical approaches, nanobiotechnology and plant-based green synthesis procedures offer significant advantages, as well as having a greater range of medical and biotechnological applications. Nanoparticles of zinc oxide (ZnO NPs) have recently been recognized as a promising option for many industries, including optics, electrics, packaged foods, and medicine, due to their biocompatibility, low cytotoxicity, and cost-effectiveness. Several studies have shown that zinc ions are important in triggering cell apoptosis by promoting the generation of reactive oxy

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Patrón-Romero, Leslie, Priscy Alfredo Luque-Morales, Verónica Loera-Castañeda, et al. "Mitochondrial Dysfunction Induced by Zinc Oxide Nanoparticles." Crystals 12, no. 8 (2022): 1089. http://dx.doi.org/10.3390/cryst12081089.

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The constant evolution and applications of metallic nanoparticles (NPs) make living organisms more susceptible to being exposed to them. Among the most used are zinc oxide nanoparticles (ZnO-NPs). Therefore, understanding the molecular effects of ZnO-NPs in biological systems is extremely important. This review compiles the main mechanisms that induce cell toxicity by exposure to ZnO-NPs and reported in vitro research models, with special attention to mitochondrial damage. Scientific evidence indicates that in vitro ZnO-NPs have a cytotoxic effect that depends on the size, shape and method of

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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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Aziz, Siti Sumaiyah Sheikh Abdul, Nurhana Ilmira Harun, Nunshaimah Salleh, et al. "Mechanochemical Synthesis of CNT/ZnO Hybrid Materials." Materials Science Forum 846 (March 2016): 479–83. http://dx.doi.org/10.4028/www.scientific.net/msf.846.479.

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A study on the synthesis of multiwalled carbon nanotubes (MWCNT) and zinc oxide (ZnO) hybrid materials using the mecahnochemical technique has been conducted. MWCNT was dispersed in sodium dodecyl sulfate (SDS) solution. ZnO was formed at milling time between 2 and 5 hours, where at 10 hours the XRD results showed only small peaks of ZnO. This suggests that at longer milling time, the ZnO crystals were either become amorphous or have reduced in sized so as not to be detected using XRD. ZnO has also been doped with Manganese (Mn) which have affected the crystal structure and surface morphology

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Jain, Roli. "Green Synthesis of Zinc Oxide Nanomaterial." Spectrum of Emerging Sciences 2, no. 1 (2022): 36–44. http://dx.doi.org/10.55878/ses2022-2-1-6.

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An emerging subfield within the science of nanotechnology is the green production of nanoparticles by the use of biological systems, particularly plant extracts. Due to the various features that it possesses, zinc oxide is of great relevance to a wide variety of sectors. These properties have been further improved by the manufacturing of this material at the nanoscale. Despite this, there has been a rise in concern over the influence that it has on the environment, which has resulted in the creation of manufacturing methods that are favorable to the environment. There has been a recent uptick

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Rini, Ari Sulistyo, Yolanda Rati, Miranti Agustin, Yanuar Hamzah, and Akrajas Ali Umar. "Seed-Mediated Synthesis and Photoelectric Properties of Selenium Doped Zinc Oxide Nanorods." Sains Malaysiana 49, no. 12 (2020): 3009–17. http://dx.doi.org/10.17576/jsm-2020-4912-13.

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Pristine ZnO and selenium doped ZnO (Se-ZnO) nanorods were successfully synthesized using seed-mediated hydrothermal method. The growth solution of both pure and Se-doped ZnO nanorods employed zinc nitrate hexahydrate (ZNH) and hexamethylenetetramine (HMT) as a precursor and surfactant, respectively. As a dopant source, selenium salt solution was obtained by reacting selenium powder with sodium borohydride at low temperature. The as-prepared pure ZnO and Se-doped ZnO nanorods were characterized using field effect scanning electron microscopy (FESEM), X-ray diffraction (XRD), UV-Visible spectro

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Aida, M. S., M. Hjiri, N. H. Alonizan, B. Zarrad, A. H. Hammad, and M. K. Al Zahrani. "ZnO and Simonkolleite Nanocomposite Synthesis via Green Chemistry Using Hibiscus Flower Extract." ECS Journal of Solid State Science and Technology 10, no. 12 (2021): 123016. http://dx.doi.org/10.1149/2162-8777/ac44f2.

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In the present work, zinc oxide (ZnO) and Simonkolleite (SK) nanocomposite was prepared using a facile green synthesis route, using hibiscus flower extract. Zinc chloride as starting solution was mixed with hibiscus plant extract. The zinc salt molarity was varied in order to investigate its effect on the synthetized nanocomposite structure. The synthetized nanocomposite were characterized by mean of X-rays diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) and X-ray photoemission spectroscopy (XPS). The results indicated that the zinc chloride mo

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SAWYER, SHAYLA, LIQIAO QIN, and CHRISTOPHER SHING. "ZINC OXIDE NANOPARTICLES FOR ULTRAVIOLET PHOTODETECTION." International Journal of High Speed Electronics and Systems 20, no. 01 (2011): 183–94. http://dx.doi.org/10.1142/s0129156411006519.

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Zinc Oxide ( ZnO ) nanoparticles were created by a top-down wet-chemistry synthesis process ( ZnO - A ) and then coated with polyvinyl-alcohol (PVA) ( ZnO - U ). In ZnO - U , strong UV emission was apparent while the parasitic green emission, which normally appears in ZnO suspensions, was suppressed. A standard lift-off process via e-beam lithography was used to fabricate a detector by evaporating Aluminum ( Al ) as ohmic electrodes on the ZnO nanoparticle film. Photoconductivity experiments showed that linear current-voltage response were achieved and the ZnO - U nanoparticles based detector

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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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Ts, Enkhtuya, Tsermaa G, Batdemberel G, Munkhbaatar P, Chadraabal Sh, and Javkhlantugs N. "Synthesis and Characterization of ZnO Nanoparticles." Физик сэтгүүл 23, no. 455 (2022): 33–35. http://dx.doi.org/10.22353/physics.v23i455.773.

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This study is focused on hydrothermal synthesis method of zinc oxide nanoparticles by usingammonia and zinc chloride. Synthesized nanoparticles have been characterized by using Xray Diffraction, UV-vis and Photon Cross Correlation (PCCS) spectroscopies, TEManalysis. ZnO thin films were prepared by spin coating method from the solution of ZnOnanoparticles. XRD peak corresponds to hexagonal structure with cell parameter a=0.326nm and c=0.522 nm. The grain size of zinc oxide nanoparticles has been determined 43.3nm using the Scherrer formula. As a result of PCCS measurement, synthesized zinc oxid

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Voon, C. H., M. N. Derman, Uda Hashim, et al. "Synthesis of Nanoporous Zinc Oxide by Anodizing of Zinc in Distilled Water." Applied Mechanics and Materials 754-755 (April 2015): 1126–30. http://dx.doi.org/10.4028/www.scientific.net/amm.754-755.1126.

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In this work, ZnO nanoporous thin films were formed by anodizing of Zn plates in 500 ml distilled water of 25°C at voltage ranged from 10 V to 30 V. As anodized zinc plates were characterized by using SEM and XRD. Characterization of as anodized Zn plates using SEM showed that the morphology of the as anodized Zn plates were significantly influenced by the anodizing voltages. Nanoporous ZnO thin films were formed when 25 V and 30 V were used while ZnO thin films without nanoporous structures were formed when 10 V, 15 V and 20 V were used. XRD analysis indicated the ZnO thin films formed at 10

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Klapiszewska, Izabela, Adam Kubiak, Anna Parus, Marcin Janczarek, and Agnieszka Ślosarczyk. "The In Situ Hydrothermal and Microwave Syntheses of Zinc Oxides for Functional Cement Composites." Materials 15, no. 3 (2022): 1069. http://dx.doi.org/10.3390/ma15031069.

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This study presents the results of research on cement mortars amended with two zinc oxides obtained by two different methods: hydrothermal ZnO-H and microwave ZnO-M. Our work indicates that, in contrast to spherical ZnO-H, ZnO-M was characterized by a columnar particle habit with a BET surface area of 8 m2/g, which was four times higher than that obtained for hydrothermally obtained zinc oxide. In addition, ZnO-M induced much better antimicrobial resistance, which was also reported in cement mortar with this oxide. Both zinc oxides showed very good photocatalytic properties, as demonstrated by

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Alves, Zélia, Cláudia Nunes, and Paula Ferreira. "Unravelling the Role of Synthesis Conditions on the Structure of Zinc Oxide-Reduced Graphene Oxide Nanofillers." Nanomaterials 11, no. 8 (2021): 2149. http://dx.doi.org/10.3390/nano11082149.

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The diversity of zinc oxide (ZnO) particles and derived composites applications is highly dependent on their structure, size, morphology, defect amounts, and/or presence of dopant molecules. In this work, ZnO nanostructures are grown in situ on graphene oxide (GO) sheets by an easily implementable solvothermal method with simultaneous reduction of GO. The effect of two zinc precursors (zinc acetate (ZA) and zinc acetate dihydrate (ZAD)), NaOH concentration (0.5, 1 or 2 M), and concentration (1 and 12.5 mg/mL) and pH (pH = 1, 4, 8, and 12) of GO suspension were evaluated. While the ZnO particle

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Lu, Chung-Hsin, Wen-Jeng Hwang, and S. V. Godbole. "Microwave-hydrothermal synthesis and photoluminescence characteristics of zinc oxide powders." Journal of Materials Research 20, no. 2 (2005): 464–71. http://dx.doi.org/10.1557/jmr.2005.0067.

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A microwave-hydrothermal process for the synthesis of crystalline zinc oxide powders has been developed in this study. Well-crystallized zinc oxide powders exhibiting different morphology, crystallinity, and particle size have been successfully prepared by controlling the process temperature and molarity of NH4OH in the starting solution. With increasing process temperature and NH4OH molarity during synthesis, the morphology of ZnO powders changes from flowerlike agglomeration to a well-developed rodlike shape. The band gap of ZnO powders increases with a decrease in the molarity of NH4OH duri

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Firsov, Kirill, Alexander Sivkov, Ivan Shanenkov, Iliyas Rakhmatullin, Alexander Ivashutenko, and Yuliya Shanenkova. "Creating a Varistor Based on Zinc Oxide (ZnO) Powder Obtained by Plasma Dynamic Method." Key Engineering Materials 743 (July 2017): 95–98. http://dx.doi.org/10.4028/www.scientific.net/kem.743.95.

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Pashkevich, Alexey V., Aleksandr K. Fedotov, Yuliya V. Kasyuk, et al. "Structure and electrical properties of zinc oxide base iron doped ceramics." Modern Electronic Materials 4, no. 3 (2018): 87–95. http://dx.doi.org/10.3897/j.moem.4.3.39540.

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The search for new economically advantageous technologies of new zinc oxide based composite ceramic materials and the study of their structure and properties attract special attention today. These ceramics have a number of advantages as compared with materials prepared by more expensive technologies, due to the possibility to fabricate items having different shapes and sizes and particularly to vary their morphology, structure and phase composition. This allows controlling their functional properties by varying the powder particle size in charge, the temperatures, durations and atmospheres of

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Bui, A. H., D. C. Le, and T. T. Nguyen. "Synthesis of ZnO nanoparticles from electric arc furnace dust." Journal of Mining and Metallurgy, Section B: Metallurgy, no. 00 (2022): 8. http://dx.doi.org/10.2298/jmmb211029008b.

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This paper presents a hydrometallurgical treatment of electric arc furnace (EAF) dust which was taken from a Vietnamese steelmaking plant to obtain zinc oxide (ZnO) nanoparticles by using aqueous ammoniac carbonate solution as a leaching agent. Characterization of the EAF dust was conducted by XRD technique, SEM observation and manual wet chemical analysis. The results showed that total zinc (Zn) of the dust was 42.69 wt.% and existed mainly in the forms of zincite - ZnO, simonkolleite - Zn5(OH)8Cl2H2O, and franklinite - ZnFe2O4. The leached condition, in which the ammoniac carbonate concentra

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Li, Dun Fang, Cheng Yan Wang, Fei Yin, Yong Qiang Chen, Quan Ming Liu, and Xiao Wu Jie. "Synthesis of Tetrapod ZnO by Direct Oxidation of Zinc Metal at Elevated Temperature." Advanced Materials Research 148-149 (October 2010): 788–93. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.788.

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ZnO product with tetrapod-shaped morphology was simply synthesized by controlling the evaporation and oxidation process of zinc metal. Pure bulk industrial zinc (99.995%) was first cast into small zinc pieces with a weight about 10～50g and then was heated in an alumina crucible in a furnace from room temperature to 1000～1250°C holding temperature, where the zinc pieces were vaporized and oxidized into zinc oxide products. The effects of zinc amount and holding temperature on the morphology of zinc oxide were investigated in this study. The products were confirmed to be zinc oxide with hexagona

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Long, Nguyen Ngoc, Ngo Xuan Dai, and Nguyen Thi Thuc Hien. "SYNTHESIS AND PHOTOLUMINESCENCE STUDIES ON ZINC OXIDE NANOWIRES." ASEAN Journal on Science and Technology for Development 24, no. 1&2 (2017): 205–12. http://dx.doi.org/10.29037/ajstd.208.

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Semiconductor single crystal ZnO nanowires have been successfully synthesized by a simple method based on thermal evaporation of ZnO powders mixed with graphite. Metallic catalysts, carrying gases, and vacuum conditions are not necessary. The x-ray diffraction (XRD) analysis shows that the ZnO nanowires are highly crystallized and have a typical wurtzite hexagonal structure with lattice constants a = 0.3246 nm and c = 0.5203 nm. The scanning electron microscopy (SEM) images of nanowires indicate that diameters of the ZnO nanowires normally range from 100 to 300 nm and their lengths are several

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Padilla, A., A. Vázquez, and V. M. Castaño. "Synthesis and characterization of polyacrylic acid–zinc oxide composites." Journal of Materials Research 6, no. 11 (1991): 2452–56. http://dx.doi.org/10.1557/jmr.1991.2452.

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Zinc oxide (ZnO) powders were mixed with Polyacrylic Acid (PAA) to form waterless cements. The optimal ZnO/PAA ratio in terms of mechanical strength was found. Also, the role of the relation ZnO to PAA, the curing time, and the strain rate on the final properties of the composites was studied.

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Alnarabiji, Mohamad Sahban, Noorhana Yahya, Sharifa Bee Abd Hamid, Khairun Azizi Azizli, Afza Shafie, and Hassan Solemani. "Microwave Synthesis of ZnO Nanoparticles for Enhanced Oil Recovery." Advanced Materials Research 1024 (August 2014): 83–86. http://dx.doi.org/10.4028/www.scientific.net/amr.1024.83.

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Synthesising zinc oxide nanoparticles to get certain specific characteristics to be applied in Enhanced oil recovery (EOR) is still challenging to date. In this work, zinc oxide (ZnO) nanoparticles were synthesised using the sol-gel method by dissolving zinc nitrate hexahydrate in nitric acid. The ZnO crystal and particles morphology and structure were determined using X-ray Diffractometer (XRD) and Field Emission Scanning Electron Microscope (FESEM). In this study, a microwave oven was used for annealing ZnO without insulating a sample in any casket. The results show that 30 and 40 minutes of

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Saberon, Saberina I., Monet Concepcion Maguyon-Detras, Maria Victoria P. Migo, Marvin U. Herrera, and Ronniel D. Manalo. "Microwave-Assisted Synthesis of Zinc Oxide Nanoparticles on Paper." Key Engineering Materials 775 (August 2018): 163–68. http://dx.doi.org/10.4028/www.scientific.net/kem.775.163.

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Nanostructured zinc oxide (ZnO) particles were grown on paper substrate made from Abaca hybrid 7 pulp. Microwave irradiation technique was used at power levels (180 and 540W) and exposure times (5, 10, 20 and 25 minutes). Chemical transformations were observed using Fourier Transform Infrared (FTIR) Spectroscopy. The effects of the power levels and exposure times on the morphology of the nanostructures were determined using scanning electron microscopy. FTIR spectra proved the embedment of ZnO on the paper substrate. Power levels and exposure times affected the distribution, particle size and

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Omar, Fatin Saiha, Huang Nay Ming, Syed Muhamad Hafiz, and Lim Hong Ngee. "Microwave Synthesis of Zinc Oxide/Reduced Graphene Oxide Hybrid for Adsorption-Photocatalysis Application." International Journal of Photoenergy 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/176835.

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This work reports on synthesis of zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposites in the presence of diethylenetriamine (DETA) via a facile microwave method. The X-ray diffraction (XRD) patterns of the nanocomposites correspond to the ZnO hexagonal phase wurtzite structure. The high-resolution transmission electron microscopy (HRTEM) images revealed that the ZnO nanorods, with an average length : diameter ratio of 10, were successfully deposited on the rGO sheets. Under the irradiation of sunlight, the nanocomposites showed enhanced adsorption-photocatalysis by more than twofold and

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Ainuddin, Ainun Rahmahwati, Muhammad Firdaus Hashim, and Ili Liyana Khairunnisa Kamardin. "Hydrothermal Synthesis Effect on Growth of Zinc Oxide Structure." Advanced Materials Research 1125 (October 2015): 126–30. http://dx.doi.org/10.4028/www.scientific.net/amr.1125.126.

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The properties and performances of Zinc Oxide (ZnO) film have made the material spread widely in several applications such as in providing energy to consumers in which it is harvest energy from the sun rays. By using hydrothermal method in order to fabricate ZnO films is one of the process that consume less energy and lower temperature compare to the other methods. In this research, the seed layer of ZnO was deposited on Fluorine doped Tin Oxide (FTO) substrate and heat treated at 100 °C for 10 min prior to the hydrothermal growth. Hydrothermal growth temperature was varies at 70 °C, 90 °C and

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Rahman, Mohammad Mizanur. "Polyurethane/Zinc Oxide (PU/ZnO) Composite—Synthesis, Protective Property and Application." Polymers 12, no. 7 (2020): 1535. http://dx.doi.org/10.3390/polym12071535.

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A polyurethane (PU) is a multifunctional polymer prepared by using more than two types of monomers. The unique properties of PU come from monomers, thus broadening the applicability of PU in many different sectors. The properties can be further improved by using many nanoparticles. Different metal oxides as nanoparticles are also widely used in PU materials. ZnO is a widely used inorganic metal oxide nanoparticle for improving polymer properties. In this review article, the techniques to prepare a PU/ZnO composite are reviewed; the key protective properties, such as adhesive strength and self-

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Wojnarowicz, Jacek, Tadeusz Chudoba, and Witold Lojkowski. "A Review of Microwave Synthesis of Zinc Oxide Nanomaterials: Reactants, Process Parameters and Morphologies." Nanomaterials 10, no. 6 (2020): 1086. http://dx.doi.org/10.3390/nano10061086.

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Zinc oxide (ZnO) is a multifunctional material due to its exceptional physicochemical properties and broad usefulness. The special properties resulting from the reduction of the material size from the macro scale to the nano scale has made the application of ZnO nanomaterials (ZnO NMs) more popular in numerous consumer products. In recent years, particular attention has been drawn to the development of various methods of ZnO NMs synthesis, which above all meet the requirements of the green chemistry approach. The application of the microwave heating technology when obtaining ZnO NMs enables th

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Lakshmi, Sagili Jhansi, Roopa Bai R S, Sharanagouda H, and Uday kumar Nidoni. "A REVIEW STUDY OF ZINC OXIDE NANOPARTICLES SYNTHESIS FROM PLANT EXTRACTS." Green Chemistry & Technology Letters 3, no. 2 (2017): 26–37. http://dx.doi.org/10.18510/gctl.2017.321.

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The development of nanotechnology is making the interest of researchers towards thesynthesis of nanoparticles for the bioapplication. Metal oxides such as ZnO have received increasing attentionas antibacterial materials in recent years because of their stability under harsh processing conditions, and also because they are generally regarded as safe materials for human beingsand animals. Zinc activates 300 enzymes, and it plays a role in many another phenomenon like growth, membrane stability, bone mineralization, tissue growth, and repair, wound healing and cell signaling.Many studies have sho

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