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Poster De Conférence Année : 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

Solène Béchu
A Loubat
  • Fonction : Auteur
M Bouttemy
M Balestrieri
S Gaiaschi
  • Fonction : Auteur
T Hildebrandt
  • Fonction : Auteur
V Achard
  • Fonction : Auteur
M Frégnaux
D Aureau
J Vigneron
  • Fonction : Auteur
F Donsanti
  • Fonction : Auteur
M Jubault
  • Fonction : Auteur
Patrick Chapon
  • Fonction : Auteur
A Etcheberry

Résumé

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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Chimie
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Dates et versions

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

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Solène 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. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC), 2018, ⟨10.1109/PVSC.2018.8547913⟩. ⟨hal-03024173⟩
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