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Absorption enhancing and passivating non-planar thin-film device architectures for copper indium gallium selenide photovoltaics

Bukowsky, Colton R. and Grandidier, Jonathan and Fountaine, Katherine T. and Callahan, Dennis M. and Stanbery, Billy J. and Atwater, Harry A. (2017) Absorption enhancing and passivating non-planar thin-film device architectures for copper indium gallium selenide photovoltaics. In: 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC). IEEE , Piscataway, NJ, pp. 1-5. ISBN 978-1-5090-5605-7. https://resolver.caltech.edu/CaltechAUTHORS:20180601-135021585

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Abstract

The sub-micrometer absorber regime is currently being explored to reduce materials usage and deposition time while simultaneously increasing device voltages due to increased generated carrier concentration. In order to realize these benefits, the absorption of photons must be maintained or even increased while avoiding detrimental recombination. Reported here are optoelectronic simulations that highlight photon and generated carrier management opportunities for improvement of thin film Cu(InxGa1-x)Se2 (CIGSe) device performance. Structures that could be created via either self-assembly, patterning by nanoimprint lithography, or a combination of both are predicted to significantly increase short circuit current density and open circuit voltage simultaneously.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/PVSC.2017.8366487DOIArticle
https://ieeexplore.ieee.org/document/8366487PublisherArticle
ORCID:
AuthorORCID
Bukowsky, Colton R.0000-0003-3577-8050
Fountaine, Katherine T.0000-0002-0414-8227
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2017 IEEE.
Subject Keywords:light trapping, nanopatterning, nanophotonics, solar energy, photovoltaic cells, thin film devices
Record Number:CaltechAUTHORS:20180601-135021585
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180601-135021585
Official Citation:C. R. Bukowsky, J. Grandidier, K. T. Fountaine, D. M. Callahan, B. J. Stanbery and H. A. Atwater, "Absorption enhancing and passivating non-planar thin-film device architectures for copper indium gallium selenide photovoltaics," 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC), Washington, DC, USA, 2017, pp. 1-5. doi: 10.1109/PVSC.2017.8366487
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86747
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:01 Jun 2018 21:24
Last Modified:03 Oct 2019 19:47

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