Abstract

A modeling study has been undertaken to compare CdTe versus GaAs solar cells in order to explore and forecast the possible evolution of CdTe solar cell performance while using GaAs solar cells as a benchmark. A complementary experimental comparison study of two almost identical MgCdTe/CdTe/MgCdTe and AlGaAs/GaAs/AlGaAs double-heterostructure (DH) samples grown by MBE guided the solar cell modeling. Both DH samples give strong photoluminescence at room temperature (RT) while time-resolved photoluminescence measurements reveal a 50 ns carrier lifetime at RT for the MgCdTe/CdTe/MgCdTe DH sample. The modeling results based on these experimental data indicate that CdTe solar cells can achieve efficiency in the range of 24-27%, depending on the carrier lifetime, under the AM1.5G spectrum.

Original languageEnglish (US)
Title of host publicationConference Record of the IEEE Photovoltaic Specialists Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2515-2517
Number of pages3
ISBN (Print)9781479932993
DOIs
StatePublished - 2013
Event39th IEEE Photovoltaic Specialists Conference, PVSC 2013 - Tampa, FL, United States
Duration: Jun 16 2013Jun 21 2013

Other

Other39th IEEE Photovoltaic Specialists Conference, PVSC 2013
CountryUnited States
CityTampa, FL
Period6/16/136/21/13

Fingerprint

Solar cells
Heterojunctions
Carrier lifetime
Photoluminescence
Molecular beam epitaxy
Temperature

Keywords

  • CdTe
  • GaAs
  • Modeling
  • Solar cell

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

Cite this

Kirk, A. P., Dinezza, M. J., Liu, S., Zhao, X. H., & Zhang, Y-H. (2013). CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results. In Conference Record of the IEEE Photovoltaic Specialists Conference (pp. 2515-2517). [6744987] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PVSC.2013.6744987

CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results. / Kirk, Alexander P.; Dinezza, Michael J.; Liu, Shi; Zhao, Xin Hao; Zhang, Yong-Hang.

Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc., 2013. p. 2515-2517 6744987.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kirk, AP, Dinezza, MJ, Liu, S, Zhao, XH & Zhang, Y-H 2013, CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results. in Conference Record of the IEEE Photovoltaic Specialists Conference., 6744987, Institute of Electrical and Electronics Engineers Inc., pp. 2515-2517, 39th IEEE Photovoltaic Specialists Conference, PVSC 2013, Tampa, FL, United States, 6/16/13. https://doi.org/10.1109/PVSC.2013.6744987
Kirk AP, Dinezza MJ, Liu S, Zhao XH, Zhang Y-H. CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results. In Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc. 2013. p. 2515-2517. 6744987 https://doi.org/10.1109/PVSC.2013.6744987
Kirk, Alexander P. ; Dinezza, Michael J. ; Liu, Shi ; Zhao, Xin Hao ; Zhang, Yong-Hang. / CdTe vs. GaAs solar cells - A modeling case study with preliminary experimental results. Conference Record of the IEEE Photovoltaic Specialists Conference. Institute of Electrical and Electronics Engineers Inc., 2013. pp. 2515-2517
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