Flexible CdTe solar cells on polymer films | Zendy

Tiwari A. N. | Zendy; Romeo A. | Zendy; Baetzner D. | Zendy; Zogg H. | Zendy

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Flexible CdTe solar cells on polymer films

Author(s) -

Tiwari A. N.,

Romeo A.,

Baetzner D.,

Zogg H.

Publication year - 2001

Publication title -

progress in photovoltaics: research and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.286

H-Index - 131

eISSN - 1099-159X

pISSN - 1062-7995

DOI - 10.1002/pip.374

Subject(s) - polyimide , materials science , cadmium telluride photovoltaics , annealing (glass) , optoelectronics , layer (electronics) , thin film , substrate (aquarium) , solar cell , polymer , recrystallization (geology) , sputter deposition , sputtering , chemical engineering , composite material , nanotechnology , oceanography , geology , paleontology , engineering , biology

Lightweight and flexible CdTe/CdS solar cells on polyimide films have been developed in a ‘superstrate configuration’ where the light is absorbed in CdTe after passing through the polyimide substrate. The average optical transmission of the approximately 10‐μm‐thin spin‐coated polyimide substrate layer is more than ∼75% for wavelengths above 550 nm. RF magnetron sputtering was used to grow transparent conducting ZnO:Al layers on polyimide films. CdTe/CdS layers were grown by evaporation of compounds, and a CdCl 2 annealing treatment was applied for the recrystallization and junction activation. Solar cells of 8·6% efficiency with V oc = 763 mV, I sc = 20·3 mA/cm 2 and FF = 55·7% were obtained. Copyright © 2001 John Wiley & Sons, Ltd.

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