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Adv Mater. 2014 Jun 25;26(24):4082-6. doi: 10.1002/adma.201400186. Epub 2014 Mar 20.

9.4% efficient amorphous silicon solar cell on high aspect-ratio glass microcones.

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1
IBM T.J. Watson Research Center, Yorktown Heights, New York, 10598, USA.

Abstract

High aspect-ratio three-dimensional (3D) a-Si:H solar cells have been fabricated to enhance a light absorption path while maintaining a short carrier collection length. Substantial efficiency enhancement in 3D solar cells was achieved due to the boost in JSC with no degradation of FF which is comparable to FF obtained from 2D solar cells.

PMID:
24648188
DOI:
10.1002/adma.201400186
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