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Title: Measurements and Modeling of III-V Solar Cells at High Temperatures up to 400 °C

Journal Article · · IEEE Journal of Photovoltaics
ORCiD logo [1];  [2];  [2];  [3];  [2];  [2]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States); University of California, Santa Barbara, CA (United States)
  2. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  3. University of Illinois at Urbana-Champaign, IL (United States); Yale University, New Haven, CT (United States)

Here in this paper, we study the performance of 2.0 eV Al0.12Ga0.39In0.49P and 1.4 eV GaAs solar cells over a temperature range of 25-400 degrees °C. The temperature-dependent J01 and J02 dark currents are extracted by fitting current-voltage measurements to a two-diode model. We find that the intrinsic carrier concentration ni dominates the temperature dependence of the dark currents, open-circuit voltage, and cell efficiency. To study the impact of temperature on the photocurrent and bandgap of the solar cells, we measure the quantum efficiency and illuminated current-voltage characteristics of the devices up to 400 °C. As the temperature is increased, we observe no degradation to the internal quantum efficiency and a decrease in the bandgap. These two factors drive an increase in the short-circuit current density at high temperatures. Finally, we measure the devices at concentrations ranging from ~30 to 1500 suns and observe n = 1 recombination characteristics across the entire temperature range. These findings should be a valuable guide to the design of any system that requires high-temperature solar cell operation.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
AC36-08GO28308; AR0000508
OSTI ID:
1329367
Report Number(s):
NREL/JA-5J00-66661
Journal Information:
IEEE Journal of Photovoltaics, Vol. 6, Issue 5; ISSN 2156-3381
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

References (16)

Photovoltaic solar cells performance at elevated temperatures journal February 2005
Detailed Balance Limit of Efficiency of p‐n Junction Solar Cells journal March 1961
Passivation of Interfaces in High-Efficiency Photovoltaic Devices journal January 1999
Fundamental losses in solar cells journal August 2010
Development of a 2.0 eV AlGaInP solar cell grown by OMVPE conference June 2015
Development of High-Bandgap AlGaInP Solar Cells Grown by Organometallic Vapor-Phase Epitaxy journal May 2016
Temperature-dependent measurements of an inverted metamorphic multijunction (IMM) solar cell conference June 2011
A review on photovoltaic/thermal hybrid solar technology journal February 2010
Theoretical temperature dependence of solar cell parameters journal April 1986
Temperature dependence of solar cell performance—an analysis journal June 2012
Temperature dependence of I–V characteristics and performance parameters of silicon solar cell journal December 2008
Thermal-photovoltaic solar hybrid system for efficient solar energy conversion journal February 2006
Hybrid solar converters for maximum exergy and inexpensive dispatchable electricity journal January 2015
Procedures for evaluating multijunction concentrators conference January 2000
Temperature dependence of the energy gap in semiconductors journal January 1967
Semiconducting and other major properties of gallium arsenide journal October 1982

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