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Zinc Rhodium Oxide and Its Possibility as a Constituent Photocatalyst for Carbon Dioxide Reduction using Water as an Electron Source
摘要： We evaluated the potential of zinc rhodium oxide (ZnRh2O4) as a carbon dioxide (CO2) reduction photocatalyst with the aid of triethanolamine (TEOA) as an electron donor and demonstrated that ZnRh2O4 was able to reduce CO2 to carbon monoxide (CO) under infrared light. Gold (Au) loading onto ZnRh2O4 greatly enhanced the CO2 reduction activity. Also, CO2 reduction was examined over a composite of ZnRh2O4 and bismuth vanadium oxide (Bi4V2O11) with inserted Au (ZnRh2O4/Au/Bi4V2O11) using H2O as the electron source, which led to the successful evolution of CO.
关键词： Carbon monoxide,Methane,Triethanolamine,Gold,Carbon dioxide reduction,Zinc rhodium oxide
更新于2025-11-19 16:51:07
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Effect of Surface Modification on SILAR Deposited CdS Quantum Dot Sensitized Hydrothermally Synthesised Titania Nanostructure
摘要： In the present work titaniana noflakes-nanorods were prepared on a flexible titanium metal foil by modified hydrothermal method. The titania nanoflakes-nanorods were further sensitized with CdS quantum dots through SILAR deposition. The surface charge of the titania surfaces were tuned using triethanolamine (TEA) to obtain maximum loading of CdS particles on the surface. The samples were characterized by XRD, FE-SEM and EDX analysis, which confirms the enhanced deposition of CdS quantum dots on the titania surface by TEA modification. The visible light photocatalytic studies were done by methylene blue degradation study. The modification in the SILAR cycle using TEA improves the photocatlytic performance around 4 times than those without TEA. The OH.radical formed in the photocatalytic reaction followed by photoluminescence study.
关键词： SILAR,Photocatalysis,Triethanolamine,CdS quantum dot,Titania nanorod
更新于2025-09-12 10:27:22