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Proceedings Paper

Chemical Deposition Of Highly Photosensitive CDs Thin Films And Their Prospects In Thin Film Solar Cells
Author(s): P . K. Nair; M.T. S. Nair; J. Campos
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Paper 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.

Paper Details

Date Published: 12 November 1987
PDF: 9 pages
Proc. SPIE 0823, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI, (12 November 1987); doi: 10.1117/12.941918
Show Author Affiliations
P . K. Nair, Universidad Nacional Autonoma de Mexico (Mexico)
M.T. S. Nair, Universidad Nacional Autonoma de Mexico (Mexico)
J. Campos, Universidad Nacional Autonoma de Mexico (Mexico)


Published in SPIE Proceedings Vol. 0823:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VI
Carl M. Lampert, Editor(s)

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