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

Research output: Contribution to conferencePaperpeer-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 languageAmerican English
Pages838-841
Number of pages4
DOIs
StatePublished - 26 Nov 2018
Event7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States
Duration: 10 Jun 201815 Jun 2018

Conference

Conference7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018
Country/TerritoryUnited States
CityWaikoloa Village
Period10/06/1815/06/18

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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