Journal
CERAMICS INTERNATIONAL
Volume 47, Issue 7, Pages 9785-9790Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2020.12.119
Keywords
Branched ZnO; Chemical vapor deposition; Hexagonal phase; Nanorods
Categories
Funding
- UGC-SAP grant
- DST-FIST grant
- PURSE grant
- MHRD RUSA Phase II grant
- King Saud University, Riyadh, Saudi Arabia [RSP-2020/5]
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Photoelectrochemical water splitting using semiconductor materials to generate hydrogen and oxygen is an important method. Synthesized materials can enhance bandgap by controlled size and morphology, improving PEC activity and photoconversion efficiency. Recently, ZnO nanostructures have attracted attention for their multifunctional properties and are considered outstanding for fabrication applications.
Photoelectrochemical (PEC) water splitting using various semiconductor materials is one of the exciting ways to generate hydrogen and oxygen. Nowadays, electrode fabrication is one of the important tasks and depends on various applications. In the PEC water-splitting application, the synthesized materials can enhance the bandgap by using controlled size and morphology. By altering the bandgap of synthesized nanomaterials, one can enhance the PEC activity and photoconversion efficiency. Recently, ZnO nanostructures have gained much attention due to their attractive and multifunctional properties and have been considered as an outstanding material for fabrication. Therefore, branched and unbranched ZnO nanorods were grown on Indium Tin Oxide (ITO) substrate by chemical vapor deposition (CVD) growth method. The hexagonal phase of the branched ZnO nanorods was confirmed by X-ray powder diffraction pattern. The formation of branched ZnO nanorods was examined by the scanning electron microscopy analysis. Owing to their unique structure, branched nanorods display excellent light absorption capability with good PEC performance. Therefore, branched ZnO nanorods are uniquely excellent material for PEC water-splitting applications.
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