Mason, M. S. and Richardson, C. E. and Atwater, H. A. and Ahrenkiel, R. K. (2006) Microsecond minority carrier lifetimes in HWCVD-grown films and implications for thin film solar cells. Thin Solid Films, 501 (1-2). pp. 288-290. ISSN 0040-6090. doi:10.1016/j.tsf.2005.07.197. https://resolver.caltech.edu/CaltechAUTHORS:20110714-134328370
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Abstract
We determine the minority carrier lifetimes of nearly intrinsic Si films 1.5–15 μm thick grown by HWCVD at 300 °C on Si (100) and large-grained polycrystalline templates formed by selective nucleation and solid-phase epitaxy (SNSPE) using resonant-coupled photoconductive decay (RCPCD). Although the microstructure of these films is mostly microcrystalline, minority carrier lifetimes for films on Si (100) range from 5.7 to 14.8 μs while those for films on SNSPE templates range from 5.9 to 19.3 μs. Residual nickel present in the SNSPE templates may contribute a recombination center but does not significantly decrease the lifetime of films grown on SNSPE templates, making the growth of epitaxial layers by HWCVD on SNSPE templates a viable design for thin-film photovoltaics.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2005 Elsevier B.V. Available online 10 August 2005. | |||||||||
| Subject Keywords: | hot-wire deposition; silicon; photoconductive decay; photovoltaics | |||||||||
| Issue or Number: | 1-2 | |||||||||
| DOI: | 10.1016/j.tsf.2005.07.197 | |||||||||
| Record Number: | CaltechAUTHORS:20110714-134328370 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20110714-134328370 | |||||||||
| Official Citation: | M.S. Mason, C.E. Richardson, H.A. Atwater, R.K. Ahrenkiel, Microsecond minority carrier lifetimes in HWCVD-grown films and implications for thin film solar cells, Thin Solid Films, Volume 501, Issues 1-2, Proceedings of the Third International Conference on Hot-Wire CVD (Cat-CVD) Process, 20 April 2006, Pages 288-290, ISSN 0040-6090, DOI: 10.1016/j.tsf.2005.07.197. (http://www.sciencedirect.com/science/article/pii/S0040609005010709) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 24425 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 04 Aug 2011 23:05 | |||||||||
| Last Modified: | 09 Nov 2021 16:23 |
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