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Energy Band Alignment of ZnS_xSe_(1-x) Films on Si for Photovoltaic Carrier-Selective Contacts

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
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/pvsc.2018.8548022DOIArticle
ORCID:
AuthorORCID
Atwater, Harry A.0000-0001-9435-0201
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
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:03 Oct 2019 20:37

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