Flux growth of CuInS/sub 2/ from Cu/sub chi/In/sub 1-chi/ melts

Flux growth of CuInS/sub 2/ from melts with initial compositions In/sub chi/Cu/sub 1-chi/, where 0.3 {le} chi {le} 1.0, is reported. By varying chi it is possible to have some degree of control over stoichiometry during growth. There is some experimental evidence that CuInS/sub 2/ is in equilibrium...

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Veröffentlicht in:	Journal of the Electrochemical Society 1989-05, Vol.136:5
Hauptverfasser:	Fleming, J.G., Fearheiley, M.L., Lewerenz, H.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	140501 - Solar Energy Conversion- Photovoltaic Conversion 360204 - Ceramics, Cermets, & Refractories- Physical Properties 400400 - Electrochemistry 400500 - Photochemistry CHALCOGENIDES CHEMICAL COMPOSITION CHEMISTRY COPPER COMPOUNDS COPPER SULFIDES CRYSTALS DIRECT ENERGY CONVERTERS EFFICIENCY ELECTROCHEMISTRY ENERGY EFFICIENCY FLUX DENSITY INDIUM COMPOUNDS INDIUM SULFIDES INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY JUNCTION DIODES MATERIALS SCIENCE MATERIALS TESTING PHOTOCHEMISTRY PHOTOELECTRIC CELLS PHOTOVOLTAIC CELLS SEMICONDUCTOR DEVICES SEMICONDUCTOR DIODES SOLAR CELLS SOLAR ENERGY SOLAR EQUIPMENT STOICHIOMETRY SULFIDES SULFUR COMPOUNDS TESTING TRANSITION ELEMENT COMPOUNDS
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Zusammenfassung:	Flux growth of CuInS/sub 2/ from melts with initial compositions In/sub chi/Cu/sub 1-chi/, where 0.3 {le} chi {le} 1.0, is reported. By varying chi it is possible to have some degree of control over stoichiometry during growth. There is some experimental evidence that CuInS/sub 2/ is in equilibrium with Cu. The CuInS/sub 2/ in contact with Cu was intrinsic in nature. Photoelectrochemical properties of the resulting crystals show a consistent open-circuit voltage between 0.68 and 0.75V, but the short-circuit current varied considerably. Liquid junction solar cells, using an I/sub 3/-/I/sub 2/ redox couple, showed power conversion efficiencies as high as 5.4%.
ISSN:	0013-4651 1945-7111
DOI:	10.1149/1.2096951