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Solar heating of GaAs nanowire solar cells

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.23.0A1363· OSTI ID:1240847
 [1];  [2]
  1. Univ. of Southern California, Los Angeles, CA (United States). Ming Hsieh Department of Electrical Engineering and Center for Energy Nanoscience; University of Southern California
  2. Univ. of Southern California, Los Angeles, CA (United States). Ming Hsieh Department of Electrical Engineering and Center for Energy Nanoscience
We use a coupled thermal-optical approach to model the operating temperature rise in GaAs nanowire solar cells. Our findings show that despite more highly concentrated light absorption and lower thermal conductivity, the overall temperature rise in a nanowire structure is no higher than in a planar structure. Moreover, coating the nanowires with a transparent polymer can increase the radiative cooling power by 2.2 times, lowering the operating temperature by nearly 7 K.
Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Energy Nanoscience (CEN); Univ. of Southern California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
SC0001013
OSTI ID:
1240847
Alternate ID(s):
OSTI ID: 1369903
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 24 Vol. 23; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of America (OSA)Copyright Statement
Country of Publication:
United States
Language:
English

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Radiative cooling by tailoring surfaces with microstructures preprint January 2018
Radiative sky cooling: Fundamental principles, materials, and applications journal June 2019
Self-adaptive radiative cooling based on phase change materials journal January 2018

Figures / Tables (7)