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Relevant bibliographies by topics / Photocatalytic Properties - Nanostructures

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Journal articles

Academic literature on the topic 'Photocatalytic Properties - Nanostructures'

Author: Grafiati

Published: 7 September 2023

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Journal articles on the topic "Photocatalytic Properties - Nanostructures"

1

Cao, Feng, Jianmin Wang, Wanhong Tu, Xin Lv, Song Li, and Gaowu Qin. "Uniform Bi2O2CO3 hierarchical nanoflowers: solvothermal synthesis and photocatalytic properties." Functional Materials Letters 08, no. 02 (2015): 1550021. http://dx.doi.org/10.1142/s1793604715500216.

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Well-defined flowerlike Bi 2 O 2 CO 3 nanostructures were fabricated by a simple one-pot solvothermal method with high yield. The products were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy, transmission electron microscopy, nitrogen sorption, photoluminescence spectra and UV–visible diffuse reflectance spectroscopy. The photocatalytic properties of the as-prepared samples were further investigated by photocatalytic decomposition of Rhodamine B (RhB) dye, and it was found that the Bi 2 O 2 CO 3 nanoflowers showed a good photocatalytic activity under UV l

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Guo, Xiaoxiao, Xiaoyun Qin, Zhenjie Xue, et al. "Morphology-controlled synthesis of WO2.72 nanostructures and their photocatalytic properties." RSC Advances 6, no. 54 (2016): 48537–42. http://dx.doi.org/10.1039/c6ra08551b.

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WO<sub>2.72</sub> nanowires and urchin-like WO<sub>2.72</sub> nanostructures exhibited enhanced photocatalytic activities for organic pollutants degradation compared to commercial nanostructured tungsten oxide.

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3

Prabhakar Vattikuti, Surya V., Jie Zeng, Rajavaram Ramaraghavulu, Jaesool Shim, Alain Mauger, and Christian M. Julien. "High-Throughput Strategies for the Design, Discovery, and Analysis of Bismuth-Based Photocatalysts." International Journal of Molecular Sciences 24, no. 1 (2022): 663. http://dx.doi.org/10.3390/ijms24010663.

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Bismuth-based nanostructures (BBNs) have attracted extensive research attention due to their tremendous development in the fields of photocatalysis and electro-catalysis. BBNs are considered potential photocatalysts because of their easily tuned electronic properties by changing their chemical composition, surface morphology, crystal structure, and band energies. However, their photocatalytic performance is not satisfactory yet, which limits their use in practical applications. To date, the charge carrier behavior of surface-engineered bismuth-based nanostructured photocatalysts has been under

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4

Wang, S. L., H. W. Zhu, W. H. Tang, and P. G. Li. "Propeller-Shaped ZnO Nanostructures Obtained by Chemical Vapor Deposition: Photoluminescence and Photocatalytic Properties." Journal of Nanomaterials 2012 (2012): 1–5. http://dx.doi.org/10.1155/2012/594290.

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Propeller-shaped and flower-shaped ZnO nanostructures on Si substrates were prepared by a one-step chemical vapor deposition technique. The propeller-shaped ZnO nanostructure consists of a set of axial nanorod (50 nm in tip, 80 nm in root and 1 μm in length), surrounded by radial-oriented nanoribbons (20–30 nm in thickness and 1.5 μm in length). The morphology of flower-shaped ZnO nanostructure is similar to that of propeller-shaped ZnO, except the shape of leaves. These nanorods leaves (30 nm in diameter and 1–1.5 μm in length) are aligned in a radial way and pointed toward a common center. T

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Stride, John A., and Nam T. Tuong. "Controlled Synthesis of Titanium Dioxide Nanostructures." Solid State Phenomena 162 (June 2010): 261–94. http://dx.doi.org/10.4028/www.scientific.net/ssp.162.261.

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Recent interest in nanostructured titanium dioxide (TiO2) has been driven by the excellent photocatalytic and optical properties exhibited by the anatase and rutile phases. This article highlights the relationship between reaction conditions and the resultant nanostructured TiO2 and is primarily focused on wet chemical synthetic methods. We show that solvothermal syntheses of nano-TiO2 can be rationalised by making use of a diffusion-controlled model accounting for physical properties of the solvent such as the vapour-pressure, allowing the prediction and control the phase, size and type of na

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6

Mutuma, Bridget K., Xiluva Mathebula, Isaac Nongwe, et al. "Unravelling the interfacial interaction in mesoporous SiO2@nickel phyllosilicate/TiO2 core–shell nanostructures for photocatalytic activity." Beilstein Journal of Nanotechnology 11 (December 9, 2020): 1834–46. http://dx.doi.org/10.3762/bjnano.11.165.

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Core–shell based nanostructures are attractive candidates for photocatalysis owing to their tunable physicochemical properties, their interfacial contact effects, and their efficacy in charge-carrier separation. This study reports, for the first time, on the synthesis of mesoporous silica@nickel phyllosilicate/titania (mSiO2@NiPS/TiO2) core–shell nanostructures. The TEM results showed that the mSiO2@NiPS composite has a core–shell nanostructure with a unique flake-like shell morphology. XPS analysis revealed the successful formation of 1:1 nickel phyllosilicate on the SiO2 surface. The additio

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7

AK AZEM, Funda, Işıl BİRLİK, Özgür Yasin KESKİN, and Tülay KOÇ DELİCE. "Improvement of Photocatalytic Degradation of Titanium Dioxide Nanomaterials by Non-metal Doping." Afyon Kocatepe University Journal of Sciences and Engineering 23, no. 4 (2023): 874–82. http://dx.doi.org/10.35414/akufemubid.1256778.

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Semiconductor photocatalysis is a process that benefits from sunlight to start chemical reactions. In order to take advantage photocatalytic properties of semiconductors and to achieve better performance structural adjustment is needed. In this study, varying amounts of nitrogen were used to modify TiO2 nanostructures using the sol-gel method. The crystalline structure of the synthesized TiO2 nanostructures was studied using the X-ray diffraction (XRD) technique. X-ray photoelectron spectroscopy (XPS) was conducted to analyse the elemental composition of nanomaterials. XPS analyze confirms tha

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8

Karpyna, V. A., L. A. Myroniuk, D. V. Myroniuk, et al. "Photocatalysis and optical properties of ZnO nanostructures grown by MOCVD on Si, Au/Si and Ag/Si wafers." Himia, Fizika ta Tehnologia Poverhni 14, no. 1 (2023): 83–92. http://dx.doi.org/10.15407/hftp14.01.083.

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Zinc oxide nanostructures (NS) were grown on thin discontinuous films of noble metals of silver and gold in order to study their structure, optical properties as well as photocatalytic and antiviral activity. The paper presents the results of X-ray diffraction study, scanning electron microscopy study, photoluminescence and Raman measurements. X-ray diffraction experiments demonstrate similar patterns for all grown ZnO nanostructures. The SEM images of ZnO NS grown on Ag/Si and Au/Si wafers demonstrate more dense surface microstructure compared to ZnO NS grown on bare Si wafers. The most inten

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9

Verma, Hemant Kumar, Mahak Vij, and K. K. Maurya. "Synthesis, Characterization and Sun Light-Driven Photocatalytic Activity of Zinc Oxide Nanostructures." Journal of Nanoscience and Nanotechnology 20, no. 6 (2020): 3683–92. http://dx.doi.org/10.1166/jnn.2020.17679.

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Low-temperature growth of nanostructures with large yield is a basic requirement for fulfilling the demand of large-scale applications of nanomaterials. The synthesis of nanoscale materials has gained considerable attention due to their excellent properties also in photocatalysis. Catalyst and Dopant free, solar active ZnO nanostructures photocatalysts with vacancy richness were synthesized in large quantities (in grams) through the co-precipitation growth process using ZnNi2·6H2O as the zinc source at room temperature. This method has advantages such as low temperature with high yield (>8

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10

Rajbongshi, Himanshu, and Dipjyoti Kalita. "Morphology-Dependent Photocatalytic Degradation of Organic Pollutant and Antibacterial Activity with CdS Nanostructures." Journal of Nanoscience and Nanotechnology 20, no. 9 (2020): 5885–95. http://dx.doi.org/10.1166/jnn.2020.18552.

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Efficient removal of organic pollutants from waste water by nanostructured photocatalysts has become an emerging research due to its importance in environmental remediation. Herein, CdS nanostructures with different morphologies i.e., spherical, nanopetal and rose-like have been synthesized by wet chemical method using TEA as a structure directing agent. The morphology, crystal structure, composition, surface area and optical properties of the nanostructures are investigated by X-ray diffraction (XRD), Scanning electron microscopy (SEM), Energy dispersive X-ray spectroscopy (EDX), Brunauer-Emm

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