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Numerical Modeling and Study of Shading Induced Damage in Copper Indium Gallium Selenium (CIGS) Photovoltaics

Dahal, Saroj, Dahal
http://orcid.org/0000-0002-3399-9653
http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1498491364849465

Abstract Details

2017, Master of Science (MS), Bowling Green State University, Physics.
In this work, we employed the Finite Element Method (FEM) using COMSOL Multiphysics as a simulation software for the study of Copper Indium Gallium Selenium (CIGS) devices. A micro-scale CIGS device was modeled and various reverse breakdown mechanisms were studied. Our study indicates that conventional breakdown mechanisms cannot sufficiently describe the experimentally observed behavior of CIGS devices. A module scale electrothermal model was also developed to study shading-induced damage in monolithically integrated CIGS photovoltaic (PV) modules. Our calculations show that CIGS modules subjected to partial shading undergoes rapid degradation. Localized thermal runaway at weak-spots which have low reverse breakdown voltage and experience greater current density can invite permanent damage, resulting in ohmic shunts. Performance loss is another key aspect due to permanent damage in CIGS PV. Our simulation of temperature distributions, current-voltage characteristics, and electroluminescence are compared to data from the literature for CIGS devices.
Marco Nardone, Dr. (Advisor)
Lewis Fulcher (Committee Member)
Alexey Zayak (Committee Member)
71 p.
Physics
CIGS; partial shade; reverse breakdown; weak spots

Recommended Citations

Citations

  • Dahal, Dahal, S. (2017). Numerical Modeling and Study of Shading Induced Damage in Copper Indium Gallium Selenium (CIGS) Photovoltaics [Master's thesis, Bowling Green State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1498491364849465

    APA Style (7th edition)

  • Dahal, Dahal, Saroj. Numerical Modeling and Study of Shading Induced Damage in Copper Indium Gallium Selenium (CIGS) Photovoltaics. 2017. Bowling Green State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1498491364849465.

    MLA Style (8th edition)

  • Dahal, Dahal, Saroj. "Numerical Modeling and Study of Shading Induced Damage in Copper Indium Gallium Selenium (CIGS) Photovoltaics." Master's thesis, Bowling Green State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1498491364849465

    Chicago Manual of Style (17th edition)

bgsu1498491364849465
315
© 2017, all rights reserved.
This open access ETD is published by Bowling Green State University and OhioLINK.