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New Visible Light Absorber For Solar Fuels : Ga(Sbx)N1-X Alloys., Swathi Sunkara
New Visible Light Absorber For Solar Fuels : Ga(Sbx)N1-X Alloys., Swathi Sunkara
Electronic Theses and Dissertations
Solar energy conversion to fuels via photoelectrochemical water splitting is one of the most important technological directions toward meeting the global energy and environmental challenge. However, till date, there are no suitable semiconductor materials available that can absorb visible light, possess right kind of band edge energetics and are stable in aqueous environments. In this work, a new III-V alloy material Ga(Sbx)N1-x with dilute antimony concentration is proposed and developed for photoelectrochemical water splitting. Experimental studies were conducted first to synthesize the proposed alloy materials to understand structure-property relationships and compare them to those obtained using first principles computations. Finally, …