Influence of pulse reversal on the PEC performance of pulse-plated CdSe films |
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Authors: | V. Swaminathan K. R. Murali |
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Abstract: | 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. |
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Keywords: | Semiconductor Cadmium selenide Thin films Pulse reversal Photoelectrochemical cell |
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