Non-linear behaviors of dark current slope in p+n GaAs solar cells following proton irradiations

Xiao Jie Chen; Hugh Barnaby; Jeffery H. Warner; Scott R. Messenger; Robert J. Walters; Steven A. Ringel; Jeongho Park

doi:10.1109/PVSC.2009.5411369

Non-linear behaviors of dark current slope in p⁺n GaAs solar cells following proton irradiations

Xiao Jie Chen, Hugh Barnaby, Jeffery H. Warner, Scott R. Messenger, Robert J. Walters, Steven A. Ringel, Jeongho Park

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Scopus citations

Abstract

In this paper, the dark current responses of p⁺n GaAs solar cells are measured before and after 2MeV proton irradiations. The responses indicate that the dark current slope is not only a function of applied forward bias, but changes with proton fluence. The change in the dark current slope behavior can be modeled by Shockley-Reed-Hall (SRH) recombination statistics as a buildup of bulk traps in the space charge region having energies away from the mid-gap level. The model also suggess that the energy of proton-induced bulk traps is a signature of radiation type but not the particle fluence.

Original language	English (US)
Title of host publication	2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
Pages	1565-1570
Number of pages	6
DOIs	https://doi.org/10.1109/PVSC.2009.5411369
State	Published - Dec 1 2009
Event	2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009 - Philadelphia, PA, United States Duration: Jun 7 2009 → Jun 12 2009

Publication series

Name	Conference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)	0160-8371

Other

Other	2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
Country/Territory	United States
City	Philadelphia, PA
Period	6/7/09 → 6/12/09

ASJC Scopus subject areas

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

Access to Document

10.1109/PVSC.2009.5411369

Cite this

Chen, X. J., Barnaby, H., Warner, J. H., Messenger, S. R., Walters, R. J., Ringel, S. A., & Park, J. (2009). Non-linear behaviors of dark current slope in p⁺n GaAs solar cells following proton irradiations. In 2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009 (pp. 1565-1570). Article 5411369 (Conference Record of the IEEE Photovoltaic Specialists Conference). https://doi.org/10.1109/PVSC.2009.5411369

Non-linear behaviors of dark current slope in p⁺n GaAs solar cells following proton irradiations. / Chen, Xiao Jie; Barnaby, Hugh; Warner, Jeffery H. et al.
2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009. 2009. p. 1565-1570 5411369 (Conference Record of the IEEE Photovoltaic Specialists Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Chen, XJ, Barnaby, H, Warner, JH, Messenger, SR, Walters, RJ, Ringel, SA & Park, J 2009, Non-linear behaviors of dark current slope in p⁺n GaAs solar cells following proton irradiations. in 2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009., 5411369, Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1565-1570, 2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009, Philadelphia, PA, United States, 6/7/09. https://doi.org/10.1109/PVSC.2009.5411369

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