@inproceedings{1f4faa10256f4c3288efb3221756f3fd,
title = "Benefits of Lambertian light distribution across widely deployed photovoltaic materials",
abstract = "Silicon solar cells benefit from an internal Lambertian light distribution achieved through texturing, while the performance of direct-bandgap materials can be lower with an internal Lambertian light distribution than the light distribution of a planar cell. A novel analytic expression is derived for the emittance of cells with a Lambertian light distribution and partial rear reflectance. This expression enables comparison of Si, GaAs, CdTe, and CIS cells under planar and Lambertian light distributions with varying rear reflectance in the Auger limit. A Lambertian light distribution is shown to be particularly beneficial to thinner material with higher rear reflectance due to absorptance enhancement. It is found that a Lambertian light distribution increases radiative recombination in most absorbers but can reduce radiative recombination in some CIS material.",
keywords = "Absorptance, Emittance, Lambertian, Light trapping, Planar, Rear-mirror reflectance, Solar cells, Texturing",
author = "Irvin, {Nicholas P.} and Babcock, {Sean J.} and Chen, {Eric Y.} and King, {Richard R.} and Honsberg, {Christiana B.}",
note = "Funding Information: This work is supported by the National Science Foundation (NSF) and U.S. Department of Energy (DOE) through the Quantum Energy for Sustainable Solar Technologies (QESST) Engineering Research Center (NSF EEC-1041895). Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IX 2020 ; Conference date: 04-02-2020 Through 06-02-2020",
year = "2020",
doi = "10.1117/12.2543935",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Alexandre Freundlich and Masakazu Sugiyama and Stephane Collin",
booktitle = "Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IX",
}