Influence of pulse reversal on the PEC performance of pulse-plated CdSe films

This paper embodies the first report on the pulse reversal deposition of CdSe thin films. The as-deposited and heat-treated films were characterised by XRD, optical absorption spectroscopy and electrical properties. The polycrystalline deposits of CdSe obtained indicated a hexagonal structure after...

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Veröffentlicht in:	Solar energy materials and solar cells 2000-07, Vol.63 (2), p.207-216
Hauptverfasser:	Swaminathan, V, Murali, K.R
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectroscopy Applied sciences Cadmium selenide Deposition Energy Energy gap Exact sciences and technology Heat treatment Light absorption Natural energy Photoelectric cells Photoelectrochemical cell Photovoltaic conversion Polycrystalline materials Pulse reversal Semiconducting cadmium compounds Semiconductor Solar cells. Photoelectrochemical cells Solar energy Thin films X ray diffraction analysis
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Zusammenfassung:	This paper embodies the first report on the pulse reversal deposition of CdSe thin films. The as-deposited and heat-treated films were characterised by XRD, optical absorption spectroscopy and electrical properties. The polycrystalline deposits of CdSe obtained indicated a hexagonal structure after heat treatment at 550°C. From the optical absorption measurements the band gap was found to be 1.71 eV. At an illumination of 70 mW cm −2 conversion efficiencies of 3.20% and 6.57% were obtained for the photoelectrodes without and with pulse reversal.
ISSN:	0927-0248 1879-3398
DOI:	10.1016/S0927-0248(00)00010-6