Glaudell, Rebecca D. and Atwater, Harry A. (2018) Energy Band Alignment of ZnS_xSe_(1-x) Films on Si for Photovoltaic Carrier-Selective Contacts. In: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC). IEEE , Piscataway, NJ, pp. 2132-2134. ISBN 9781538685297. https://resolver.caltech.edu/CaltechAUTHORS:20181210-140401481
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Abstract
ZnS_xSe_(1-x) films are promising materials for front carrier-selective contacts in silicon photovoltaics given their wide bandgaps and low resistivities compared to amorphous silicon. Xray photoelectron spectra of ZnS_xSe_(1-x) (x ranging from 0 to 1) films grown on Si by molecular beam epitaxy were used to measure band offsets of ZnS_xSe_(1-x) with respect to Si for purposes of accurate optoelectronic simulations of photovoltaic devices incorporating ZnS_xSe_(1-x) carrier-selective contacts. Conduction band offsets ranged from 0.68 eV (x = 0) to 1.52 eV (x = 1) showing a significant departure from both Anderson model and density functional theory predictions.
| Item Type: | Book Section | ||||||
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| Alternate Title: | Energy Band Alignment of ZnSxSe1-x Films on Si for Photovoltaic Carrier-Selective Contacts | ||||||
| Additional Information: | © 2018 IEEE. | ||||||
| Subject Keywords: | photovoltaic cells, silicon, heterojunctions, thin films, II-VI semiconductor materials | ||||||
| DOI: | 10.1109/pvsc.2018.8548022 | ||||||
| Record Number: | CaltechAUTHORS:20181210-140401481 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20181210-140401481 | ||||||
| Official Citation: | R. D. Glaudell and H. A. Atwater, "Energy Band Alignment of ZnSxSe1-xFilms on Si for Photovoltaic Carrier-Selective Contacts," 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC), Waikoloa Village, HI, USA, 2018, pp. 2132-2134. doi: 10.1109/PVSC.2018.8548022 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 91651 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 10 Dec 2018 23:31 | ||||||
| Last Modified: | 16 Nov 2021 03:43 |
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