Surface reactivity of CIGS absorber on soda-lime and flexible substrates studied by XPS: a global approach of deoxidation, ageing and alkali elements distribution - Archive ouverte HAL Access content directly
Conference Papers Year : 2018

Surface reactivity of CIGS absorber on soda-lime and flexible substrates studied by XPS: a global approach of deoxidation, ageing and alkali elements distribution

A Loubat
  • Function : Author
M Bouttemy
M Balestrieri
S Gaiaschi
  • Function : Author
T Hildebrandt
  • Function : Author
V Achard
  • Function : Author
M Frégnaux
D Aureau
J Vigneron
  • Function : Author
F Donsanti
  • Function : Author
M Jubault
  • Function : Author
Patrick Chapon
  • Function : Author

Abstract

CIGS based solar cells are still part of the most popular solar cells developed. A chemical study is presented here by using XPS measurements, characterizing the surface chemistry and reactivity, with a focus on deoxidation and further ageing products, among which binary compounds and oxides can be found. Different chemical treatments are also suggested to adjust the surface composition of CIGS materials and to determine the re-oxidation delay. A specific point will be also discussed about the comparative evolution of alkali element distribution during the ageing of conventional CIGS/glass and CIGS/flexible substrate systems, requiring in this case an external alkali source. Index term-CIGS, XPS, ageing, surface deoxidation, flexible substrates.
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Dates and versions

hal-03024173 , version 1 (03-10-2022)

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Stéphane Béchu, A Loubat, M Bouttemy, M Balestrieri, S Gaiaschi, et al.. Surface reactivity of CIGS absorber on soda-lime and flexible substrates studied by XPS: a global approach of deoxidation, ageing and alkali elements distribution. PVSC 2018, Jun 2018, Waikoloa, Hawai, United States. ⟨10.1109/PVSC.2018.8547913⟩. ⟨hal-03024173⟩
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