We studied the open-circuit voltage of semiconductor electrodes in dual-liquid-junction photoelectrochemistry. One set of experiments utilized an acetylferrocene+/0 redox couple as a back contact to n-Si(111) in a dual-liquid-junction solar cell, to further previous research in the Grimmgroup studying the effect of back-contact barrier heights on voltage in the n-Si cell. Separate experiments quantified the photoelectrochemical properties of bismuth(III) iodide, a compound of interest as a potential lead-free perovskite material for a perovskite/Si tandem solar cell without the toxicity of lead.
Worcester Polytechnic Institute
Major Qualifying Project
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Chemistry and Biochemistry