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Title: Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells

Abstract

Photovoltaic light trapping theory and experiment do not always clearly demonstrate how much useful optical absorption is enhanced, as opposed to parasitic absorption that cannot improve efficiencies. In this work, we develop a flexible flux plane method for capturing these parasitic losses within finite-difference time-domain simulations, which was applied to three classical types of light trapping cells (e.g., periodic, random and plasmonic). Then, a 2 mm-thick c-Si cell with a correlated random front texturing and a plasmonic back reflector is optimized. In the best case, 36.60 mA/cm 2 Jsc is achieved after subtracting 3.74 mA/cm 2 of parasitic loss in a 2-mm-thick c-Si cell slightly above the Lambertian limit.

Authors:
 [1];  [2];  [1]
  1. Purdue Univ., West Lafayette, IN (United States). Birck Nanotechnology Center (BNC)
  2. Hanyang Univ., Seoul (Korea, Republic of). Dept. of Electronic Engineering
Publication Date:
Research Org.:
Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S); National Science Foundation (NSF); National Research Foundation of Korea (NRF)
OSTI Identifier:
1579880
Grant/Contract Number:  
EE0004946; EEC1454315-CAREER; 2014R1A1A2054440
Resource Type:
Accepted Manuscript
Journal Name:
Optical Materials Express
Additional Journal Information:
Journal Volume: 5; Journal Issue: 9; Journal ID: ISSN 2159-3930
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY

Citation Formats

Chung, H., Jung, K-Y, and Bermel, P. Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells. United States: N. p., 2015. Web. doi:10.1364/OME.5.002054.
Chung, H., Jung, K-Y, & Bermel, P. Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells. United States. doi:10.1364/OME.5.002054.
Chung, H., Jung, K-Y, and Bermel, P. Mon . "Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells". United States. doi:10.1364/OME.5.002054. https://www.osti.gov/servlets/purl/1579880.
@article{osti_1579880,
title = {Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells},
author = {Chung, H. and Jung, K-Y and Bermel, P.},
abstractNote = {Photovoltaic light trapping theory and experiment do not always clearly demonstrate how much useful optical absorption is enhanced, as opposed to parasitic absorption that cannot improve efficiencies. In this work, we develop a flexible flux plane method for capturing these parasitic losses within finite-difference time-domain simulations, which was applied to three classical types of light trapping cells (e.g., periodic, random and plasmonic). Then, a 2 mm-thick c-Si cell with a correlated random front texturing and a plasmonic back reflector is optimized. In the best case, 36.60 mA/cm2 Jsc is achieved after subtracting 3.74 mA/cm2 of parasitic loss in a 2-mm-thick c-Si cell slightly above the Lambertian limit.},
doi = {10.1364/OME.5.002054},
journal = {Optical Materials Express},
number = 9,
volume = 5,
place = {United States},
year = {2015},
month = {8}
}

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