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Optimization Of P-Type Czts Nanocrystal Thin Film Layers For Applications In Low Cost Photovoltaic Devices, Kyle S.B. Jeffs
Optimization Of P-Type Czts Nanocrystal Thin Film Layers For Applications In Low Cost Photovoltaic Devices, Kyle S.B. Jeffs
Electronic Thesis and Dissertation Repository
In this thesis Cu2ZnSnS4 nanocrystal synthesis was optimized by way of photoelectrochemical measurements through tuning the stoichiometry. Formation of a Cu2ZnSnS4 light-absorbing layer was studied using multiple depositions methods. These included dropcasting, electrophoretic deposition, and use of 3-mercaptopropyl trimethoxysilane as a chemical linker. Dropcasting samples were compared according to the solvents used to suspend the nanocrystals. Photoelectrochemical measurements were used to compare dropcasting with electrophoretic deposition and use of 3-mercaptopropyl trimethoxysilane as a chemical linker. Dropcasting was shown to be the least effective method of depositing the light-absorbing layer. Samples prepared by electrophoretic deposition were optimized according to a number …