Fiber-Fed Time-Resolved Photoluminescence for Reduced Process Feedback Time on Thin-Film Photovoltaics

Ingrid Repins; Brian Egaas; Lorelle Mansfield; Stephen Glynn; Jeffrey Carapella; Darius Kuciauskas; Christopher Muzzillo; Miguel Contreras; Carolyn Beall

doi:10.1063/1.4905535

Fiber-Fed Time-Resolved Photoluminescence for Reduced Process Feedback Time on Thin-Film Photovoltaics

Ingrid Repins, Brian Egaas, Lorelle Mansfield, Stephen Glynn, Jeffrey Carapella, Darius Kuciauskas, Christopher Muzzillo, Miguel Contreras, Carolyn Beall

University of Florida

Research output: Contribution to journal › Article › peer-review

19 Scopus Citations

Abstract

Fiber-fed time-resolved photoluminescence is demonstrated as a tool for immediate process feedback after deposition of the absorber layer for CuIn_xGa_1-xSe₂ and Cu₂ZnSnSe₄ photovoltaic devices. The technique uses a simplified configuration compared to typical laboratory time-resolved photoluminescence in the delivery of the exciting beam, signal collection, and electronic components. Correlation of instrument output with completed device efficiency is demonstrated over a large sample set. The extraction of the instrument figure of merit, depending on both the initial luminescence intensity and its time decay, is explained and justified. Limitations in the prediction of device efficiency by this method, including surface effect, are demonstrated and discussed.

Original language	American English
Article number	Article No. 013907
Number of pages	7
Journal	Review of Scientific Instruments
Volume	86
Issue number	1
DOIs	https://doi.org/10.1063/1.4905535 https://doi.org/10.1063/1.4905535
State	Published - 1 Jan 2015

Bibliographical note

Publisher Copyright:
© 2015 AIP Publishing LLC.

NREL Publication Number

NREL/JA-5K00-63153

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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Repins, I., Egaas, B., Mansfield, L., Glynn, S., Carapella, J., Kuciauskas, D., Muzzillo, C., Contreras, M., & Beall, C. (2015). Fiber-Fed Time-Resolved Photoluminescence for Reduced Process Feedback Time on Thin-Film Photovoltaics. Review of Scientific Instruments, 86(1), Article Article No. 013907. https://doi.org/10.1063/1.4905535, https://doi.org/10.1063/1.4905535

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abstract = "Fiber-fed time-resolved photoluminescence is demonstrated as a tool for immediate process feedback after deposition of the absorber layer for CuInxGa1-xSe2 and Cu2ZnSnSe4 photovoltaic devices. The technique uses a simplified configuration compared to typical laboratory time-resolved photoluminescence in the delivery of the exciting beam, signal collection, and electronic components. Correlation of instrument output with completed device efficiency is demonstrated over a large sample set. The extraction of the instrument figure of merit, depending on both the initial luminescence intensity and its time decay, is explained and justified. Limitations in the prediction of device efficiency by this method, including surface effect, are demonstrated and discussed.",

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AU - Repins, Ingrid

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AU - Glynn, Stephen

AU - Carapella, Jeffrey

AU - Kuciauskas, Darius

AU - Muzzillo, Christopher

AU - Contreras, Miguel

AU - Beall, Carolyn

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AB - Fiber-fed time-resolved photoluminescence is demonstrated as a tool for immediate process feedback after deposition of the absorber layer for CuInxGa1-xSe2 and Cu2ZnSnSe4 photovoltaic devices. The technique uses a simplified configuration compared to typical laboratory time-resolved photoluminescence in the delivery of the exciting beam, signal collection, and electronic components. Correlation of instrument output with completed device efficiency is demonstrated over a large sample set. The extraction of the instrument figure of merit, depending on both the initial luminescence intensity and its time decay, is explained and justified. Limitations in the prediction of device efficiency by this method, including surface effect, are demonstrated and discussed.

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Fiber-Fed Time-Resolved Photoluminescence for Reduced Process Feedback Time on Thin-Film Photovoltaics

Abstract

Bibliographical note

NREL Publication Number

UN SDGs

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