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GaAs/Ge solar cell AC parameters at different temperatures

Kumar, Anil R and Suresh, MS and Nagaraju, J (2003) GaAs/Ge solar cell AC parameters at different temperatures. In: Solar Energy Materials and Solar Cells, 77 (2). pp. 145-153.

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The AC parameters of Gallium Arsenide (GaAs/Ge) solar cell were measured at different cell temperatures (198-348 K) by varying the cell bias voltage (forward and reverse) under dark condition using impedance spectroscopy technique. It was found that the cell capacitance increases with the cell temperature where as the cell resistance decreases, at any bias voltage. The measured cell parameters were used to calculate the intrinsic concentration of electron-hole pair, cell material relative permittivity and its band gap energy. The diode factor and the cell dynamic resistance at the corresponding maximum power point decrease with the cell temperature.

Item Type: Journal Article
Publication: Solar Energy Materials and Solar Cells
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: GaAs/Ge solar cell;AC parameters;Temperature.
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 22 Jul 2009 11:22
Last Modified: 19 Sep 2010 04:54
URI: http://eprints.iisc.ac.in/id/eprint/16963

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