Chalcogenide Glasses As Photoelectrodes For Solar Energy Conversion

J. Fong

doi:10.1117/12.944797

2 November 1984 Chalcogenide Glasses As Photoelectrodes For Solar Energy Conversion

J. Fong

Proceedings Volume 0502, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion III; (1984) https://doi.org/10.1117/12.944797
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

The photoelectrochemical responses of ternary, chalcogenide glasses of the form: V-VI-M have been surveyed where M=metal or chalcogen. Of those examined, the As-Se-Cu composition appeared most promising for solar energy conversion. In particular, glassy compositions at or near the AsSe2Cu stoichiometry exhibited apparent bandgaps near 1.0 eV, open circuit photopotentials as high as 600 mV under white light, and, conversion efficiencies (at 500 nm) of 0.01-0.5% for a range of oxidants. In all cases p-type semiconduction dominates. Attempts to synthesize and then compare polycrystalline AsSe2Cu's photoelectrochemical response to the glass are described. The latter so far appears to have generally superior properties for solar energy conversion.

Citation Download Citation

J. Fong "Chalcogenide Glasses As Photoelectrodes For Solar Energy Conversion", Proc. SPIE 0502, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion III, (2 November 1984); https://doi.org/10.1117/12.944797

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