Mitigation of Crack Formation During Thermo-Mechanical Delamination of CdTe Solar Cells

Deborah McGott; Matthew Reese; Colin Wolden

doi:10.1109/PVSC.2018.8548270

Mitigation of Crack Formation During Thermo-Mechanical Delamination of CdTe Solar Cells

Deborah McGott, Matthew Reese, Colin Wolden

Materials Science

Colorado School of Mines

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

2 Scopus Citations

Abstract

Controlled thermo-mechanical delamination of thin-film solar cells offers a promising approach to drastically improve flexibility and specific power (power-to-weight ratio). However, the issue of film cracking during the delamination process must first be addressed. Here, we examine the causes of cracking during and after delamination, where it is found that cracking is heavily influenced by the material properties of the stressor layer used to induce delamination and the glass substrate that the solar cell is grown on. We then present several ways to reduce cracking during the delamination process.

Original language	American English
Pages	838-841
Number of pages	4
DOIs	https://doi.org/10.1109/PVSC.2018.8548270 https://doi.org/10.1109/PVSC.2018.8548270
State	Published - 26 Nov 2018
Event	7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States Duration: 10 Jun 2018 → 15 Jun 2018

Conference

Conference	7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018
Country/Territory	United States
City	Waikoloa Village
Period	10/06/18 → 15/06/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

NREL Publication Number

NREL/CP-5K00-71589

Keywords

cadmium telluride
cracking
delamination
flexible electronics
photovoltaics
specific power

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abstract = "Controlled thermo-mechanical delamination of thin-film solar cells offers a promising approach to drastically improve flexibility and specific power (power-to-weight ratio). However, the issue of film cracking during the delamination process must first be addressed. Here, we examine the causes of cracking during and after delamination, where it is found that cracking is heavily influenced by the material properties of the stressor layer used to induce delamination and the glass substrate that the solar cell is grown on. We then present several ways to reduce cracking during the delamination process.",

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author = "Deborah McGott and Matthew Reese and Colin Wolden",

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doi = "10.1109/PVSC.2018.8548270",

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McGott, D, Reese, M & Wolden, C 2018, 'Mitigation of Crack Formation During Thermo-Mechanical Delamination of CdTe Solar Cells', Paper presented at 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018, Waikoloa Village, United States, 10/06/18 - 15/06/18 pp. 838-841. https://doi.org/10.1109/PVSC.2018.8548270, https://doi.org/10.1109/PVSC.2018.8548270

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AU - Reese, Matthew

AU - Wolden, Colin

PY - 2018/11/26

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N2 - Controlled thermo-mechanical delamination of thin-film solar cells offers a promising approach to drastically improve flexibility and specific power (power-to-weight ratio). However, the issue of film cracking during the delamination process must first be addressed. Here, we examine the causes of cracking during and after delamination, where it is found that cracking is heavily influenced by the material properties of the stressor layer used to induce delamination and the glass substrate that the solar cell is grown on. We then present several ways to reduce cracking during the delamination process.

AB - Controlled thermo-mechanical delamination of thin-film solar cells offers a promising approach to drastically improve flexibility and specific power (power-to-weight ratio). However, the issue of film cracking during the delamination process must first be addressed. Here, we examine the causes of cracking during and after delamination, where it is found that cracking is heavily influenced by the material properties of the stressor layer used to induce delamination and the glass substrate that the solar cell is grown on. We then present several ways to reduce cracking during the delamination process.

KW - cadmium telluride

KW - cracking

KW - delamination

KW - flexible electronics

KW - photovoltaics

KW - specific power

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T2 - 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018

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ER -

Mitigation of Crack Formation During Thermo-Mechanical Delamination of CdTe Solar Cells

Abstract

Conference

Bibliographical note

NREL Publication Number

Keywords

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