Chemical Deposition Of Highly Photosensitive CDs Thin Films And Their Prospects In Thin Film Solar Cells

P . K. Nair; M.T. S. Nair; J. Campos

doi:10.1117/12.941918

12 November 1987 Chemical Deposition Of Highly Photosensitive CDs Thin Films And Their Prospects In Thin Film Solar Cells

P . K. Nair, M.T. S. Nair, J. Campos

Author Affiliations +

Proceedings Volume 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI; (1987) https://doi.org/10.1117/12.941918
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

CdS thin films of high quality with good reproducibility can be prepared on large-area substrates from aqueous baths, icontaining triethanolamine complex of Cd²⁺ ions and thiourea. Depending on the deposition para-meters, a combination of optoelectronic cha-racteristics are obtainable: optical transmi-ssioii, 10.7 q80%; photocnductivity, up to 3 ohm^-1 cm^-1 (at 300 W/m² sim. solar); photo; conductivity to dark conductivity ratio, 10° to 10⁹ and phstocurrent decay time , a few seconds to -10³ s. Absorber layers (p-type) of lower band gap, of the CuxS or CuInS₂ type, with low sheet resistivities have been subsequently chemically deposited on these CdS films. This suggests the possibility of developing 'all-chemically deposited' thin film solar cells.

Citation Download Citation

P . K. Nair, M.T. S. Nair, and J. Campos "Chemical Deposition Of Highly Photosensitive CDs Thin Films And Their Prospects In Thin Film Solar Cells", Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); https://doi.org/10.1117/12.941918

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