Self-aligned growth of thin film Cu(In,Ga)Se2 solar cells on various micropatterns

We provide the demonstration of a self-aligned growth of thin film Cu(In,Ga)Se2 solar cells and microcells. We created Cu(In,Ga)Se2 solar cells by direct localized electrodeposition and annealing on two patterns: lines of 1105 μm and 105 μm width and 1 cm long. We obtained up to 7.6% efficiency on t...

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Bibliographic Details
Published in:Applied physics letters 2016-12, Vol.109 (25)
Main Authors: Duchatelet, A., Nguyen, K., Grand, P.-P., Lincot, D., Paire, M.
Format: Article
Language:English
Subjects:
Applied physics
Concentrators
Copper indium gallium selenides
Photovoltaic cells
Self alignment
Solar cells
Thin films
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Summary:We provide the demonstration of a self-aligned growth of thin film Cu(In,Ga)Se2 solar cells and microcells. We created Cu(In,Ga)Se2 solar cells by direct localized electrodeposition and annealing on two patterns: lines of 1105 μm and 105 μm width and 1 cm long. We obtained up to 7.6% efficiency on the 1105 μm wide lines and 5.3% efficiency on 105 μm wide lines. This work demonstrates the possibility to directly grow efficient solar cells on tunable patterns, with very efficient material usage. This is important in the perspective of thin film micro-concentrators and also semi-transparent photovoltaic windows for building integrated applications.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4971975