Wilson, Samantha S. and Xiang, Chengxiang and Tolstova, Yulia and Lewis, Nathan S. and Atwater, Harry A. (2012) Thin, free-standing Cu_2O substrates via thermal oxidation for photovoltaic devices. In: 38th IEEE Photovoltaic Specialists Conference. IEEE , Piscataway, NJ, pp. 3191-3194. ISBN 978-1-4673-0064-3. https://resolver.caltech.edu/CaltechAUTHORS:20121010-091657887
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Abstract
Cu_2O is a promising, earth-abundant alternative to traditional photovoltaic materials (CIGS, CdTe, etc.) because of its low cost, high availability, and straightforward processing. We report a method to fabricate Cu_2O substrates with thicknesses of less than 20 microns which may be handled and processed into devices. Development of thinner Cu_2O substrates is essential as extrinsic doping has been impossible thus far, and intrinsic Cu_2O is highly resistive. Hall measurements indicate that the substrates had Hall mobilities of 10–20 cm^2V^(−1)s^(−1) and carrier concentrations on the order of 10^(14) cm^(−3). Current-voltage characteristics of these Cu_2O substrates were derived from liquid junction Schottky barrier device measurements which indicate open circuit voltages of Voc ∼ 600 mV.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2011 IEEE. Date of Current Version: 04 October 2012. The authors acknowledge The Dow Chemical Company for funding and collaborating in this work. | |||||||||
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| Subject Keywords: | copper compounds, materials handling, oxygen, photovoltaic cells and semiconductor materials | |||||||||
| DOI: | 10.1109/PVSC.2012.6318256 | |||||||||
| Record Number: | CaltechAUTHORS:20121010-091657887 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20121010-091657887 | |||||||||
| Official Citation: | Wilson, Samantha S.; Xiang, Chengxiang; Tolstova, Yulia; Lewis, Nathan S.; Atwater, Harry A.; , "Thin, free-standing Cu2O substrates via thermal oxidation for photovoltaic devices," Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE , vol., no., pp.003191-003194, 3-8 June 2012 doi: 10.1109/PVSC.2012.6318256 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6318256&isnumber=6317554 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 34812 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 10 Oct 2012 16:51 | |||||||||
| Last Modified: | 09 Nov 2021 23:10 |
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