ECN publication
Dynamically deposited thin-film silicon solar cells on imprinted foil
Published by: Publication date:
ECN Solar Energy 30-12-2011
ECN report number: Document type:
ECN-M--11-058 Conference Paper
Number of pages: Full text:
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ECN is developing n-i-p solar cells based on a-Si and !c-Si absorber layers deposited with inline PECVD, using linear plasma sources, on an imprint-textured UV curable coating layer on foil. We show that solar cells deposited on foil with random texture can achieve good light trapping (Jsc ~ 15-16 mA/cm2 for a-Si cells). Furthermore, we show that a-Si nip cells on foil, processed in dynamic mode in an industrial pilot roll-to-roll system for 30 cm wide foils, can achieve efficiencies (of over 7%). Future work will focus on developing and implementing optimised periodic nanotextures for !c-Si and micromorph tandem.

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