Low temperature deposition of bifacial CIGS solar cells on Al-doped Zinc Oxide back contacts

Nicholas Cavallari,Francesco Pattini,Stefano Rampino,Filippo Annoni,M. Barozzi,Matteo Bronzoni,Edmondo Gilioli,Enos Gombia,Carlo Maragliano,Massimo Mazzer,G. Pepponi,Giulia Spaggiari,Roberto Fornari

Applied Surface Science（2017）

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摘要

•AZO and CIGS were deposited by Low-Temperature Pulsed Electron Deposition (LT-PED).•CIGS/AZO contacts with ohmic behavior and resistance of 1.07Ωcm2 were fabricated.•LT-PED deposition of AZO and CIGS prevents formation of Ga2O3 interlayer.•CIGS-based bifacial solar cells with AZO back contact were realized.•Front PV efficiency of 9.3% and equivalent bifacial efficiency of 11.6% were achieved.

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关键词

Pulsed Electron Deposition,CIGS,Bifacial solar cells,Back-contact,In-free,AZO

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