Performance of Transparent Conductors on Flexible Glass and Plastic Substrates for Thin Film Photovoltaics

James Burst; Wyatt Metzger; Teresa Barnes; Timothy Gessert; Matthew Reese; W.L. Rance; D.M. Meysing; C.A. Wolden; S.M. Garner; P. Cimo

doi:10.1109/PVSC.2014.6925223

Performance of Transparent Conductors on Flexible Glass and Plastic Substrates for Thin Film Photovoltaics

James Burst, Wyatt Metzger, Teresa Barnes, Timothy Gessert, Matthew Reese, W.L. Rance, D.M. Meysing, C.A. Wolden, S.M. Garner, P. Cimo

Materials Science

Research output: Contribution to conference › Paper › peer-review

21 Scopus Citations

Abstract

Flexible, superstrate CdTe devices combine the advantages of a commercially demonstrated, low-cost manufacturing process with a lightweight, flexible form factor. Here, we present data on cell efficiencies greater than 16%, and the critical processing changes that have enabled recent efficiency increases. The devices in this study were made on Corning® Willow® Glass, which is a highly transparent, flexible, hermetic, and dimensionally stable substrate that can withstand high processing temperatures. To date, we have produced devices with several different combinations of front and back contacts on this glass and have found that it is compatible with most of our standard processing steps. One of our best devices to date has a certified efficiency of 16.2%, with a short-circuit current density (J_sc) of 25.6 mA/cm², an open-circuit voltage of 820 mV, and a fill factor (FF) of 77.3%. The increased J_sc in this cell is due to an improved sputtered CdS:O deposition process, and the high FF is due to a co-evaporated ZnTe:Cu back contact.

Original language	American English
Pages	1589-1592
Number of pages	4
DOIs	https://doi.org/10.1109/PVSC.2014.6925223 https://doi.org/10.1109/PVSC.2014.6925223
State	Published - 15 Oct 2014
Event	40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States Duration: 8 Jun 2014 → 13 Jun 2014

Conference

Conference	40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country/Territory	United States
City	Denver
Period	8/06/14 → 13/06/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

NREL Publication Number

NREL/CP-5K00-61199

Keywords

CdTe
flexible electronics
II-VI semiconductor materials
photovoltaic cells

UN SDGs

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

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Burst, J., Metzger, W., Barnes, T., Gessert, T., Reese, M., Rance, W. L., Meysing, D. M., Wolden, C. A., Garner, S. M., & Cimo, P. (2014). Performance of Transparent Conductors on Flexible Glass and Plastic Substrates for Thin Film Photovoltaics. 1589-1592. Paper presented at 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States. https://doi.org/10.1109/PVSC.2014.6925223, https://doi.org/10.1109/PVSC.2014.6925223

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Burst, J, Metzger, W, Barnes, T, Gessert, T, Reese, M, Rance, WL, Meysing, DM, Wolden, CA, Garner, SM & Cimo, P 2014, 'Performance of Transparent Conductors on Flexible Glass and Plastic Substrates for Thin Film Photovoltaics', Paper presented at 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States, 8/06/14 - 13/06/14 pp. 1589-1592. https://doi.org/10.1109/PVSC.2014.6925223, https://doi.org/10.1109/PVSC.2014.6925223

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AU - Burst, James

AU - Metzger, Wyatt

AU - Barnes, Teresa

AU - Gessert, Timothy

AU - Reese, Matthew

AU - Rance, W.L.

AU - Meysing, D.M.

AU - Wolden, C.A.

AU - Garner, S.M.

AU - Cimo, P.

PY - 2014/10/15

Y1 - 2014/10/15

N2 - Flexible, superstrate CdTe devices combine the advantages of a commercially demonstrated, low-cost manufacturing process with a lightweight, flexible form factor. Here, we present data on cell efficiencies greater than 16%, and the critical processing changes that have enabled recent efficiency increases. The devices in this study were made on Corning® Willow® Glass, which is a highly transparent, flexible, hermetic, and dimensionally stable substrate that can withstand high processing temperatures. To date, we have produced devices with several different combinations of front and back contacts on this glass and have found that it is compatible with most of our standard processing steps. One of our best devices to date has a certified efficiency of 16.2%, with a short-circuit current density (Jsc) of 25.6 mA/cm2, an open-circuit voltage of 820 mV, and a fill factor (FF) of 77.3%. The increased Jsc in this cell is due to an improved sputtered CdS:O deposition process, and the high FF is due to a co-evaporated ZnTe:Cu back contact.

AB - Flexible, superstrate CdTe devices combine the advantages of a commercially demonstrated, low-cost manufacturing process with a lightweight, flexible form factor. Here, we present data on cell efficiencies greater than 16%, and the critical processing changes that have enabled recent efficiency increases. The devices in this study were made on Corning® Willow® Glass, which is a highly transparent, flexible, hermetic, and dimensionally stable substrate that can withstand high processing temperatures. To date, we have produced devices with several different combinations of front and back contacts on this glass and have found that it is compatible with most of our standard processing steps. One of our best devices to date has a certified efficiency of 16.2%, with a short-circuit current density (Jsc) of 25.6 mA/cm2, an open-circuit voltage of 820 mV, and a fill factor (FF) of 77.3%. The increased Jsc in this cell is due to an improved sputtered CdS:O deposition process, and the high FF is due to a co-evaporated ZnTe:Cu back contact.

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ER -

Performance of Transparent Conductors on Flexible Glass and Plastic Substrates for Thin Film Photovoltaics

Abstract

Conference

Bibliographical note

NREL Publication Number

Keywords

UN SDGs

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