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Proceedings Paper

PbOx/Au-Pd core-shell structures for Schottky junction solar cells
Author(s): Dipal B. Patel; Khushbu R. Chauhan; Indrajit Mukhopadhyay
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Paper Abstract

Since the beginning of the era of third generation solar cells, researchers are motivated to explore various semiconductor-metal configurations for the efficient solar energy conversion. We first time report the use of non-stoichiometric PbOx electrodes in the Schottky junction solar cell. This metal oxide makes an efficient Schottky junction with the high work function alloy of Au-Pd. It was found that thin films of anodized lead metal prepared via potential pulse technique result in the nanowall assemblies. When a few nanometer layer of Au-Pd was sputtered on these assemblies, we obtained a core-shell Schottky junction solar cells of PbOx/Au-Pd. With these newly developed structures, we obtained highest Jsc of 2.04 mA/cm2 with Voc of 707 mV achieving an overall efficiency of 0.384%. The performance of solar cell was assessed by D.C. and A.C. techniques. An equivalent circuit model is also presented for understanding the charge transfer mechanisms in such solar cells.

Paper Details

Date Published: 13 March 2015
PDF: 15 pages
Proc. SPIE 9364, Oxide-based Materials and Devices VI, 93641V (13 March 2015); doi: 10.1117/12.2077936
Show Author Affiliations
Dipal B. Patel, Pandit Deendayal Petroleum Univ. (India)
Khushbu R. Chauhan, Pandit Deendayal Petroleum Univ. (India)
Indrajit Mukhopadhyay, Pandit Deendayal Petroleum Univ. (India)

Published in SPIE Proceedings Vol. 9364:
Oxide-based Materials and Devices VI
Ferechteh H. Teherani; David C. Look; David J. Rogers, Editor(s)

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