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Jerome K. Hyun, Changui Ahn, Hyunbum Kang, Hyeong Jun Kim, Junyong Park, Ki-Hyun Kim, Chi Won Ahn, Bumjoon J. Kim and Seokwoo Jeon Soft Elastomeric Nanopillar Stamps for Enhancing Absorption in Organic Thin-Film Solar Cells Small 9

Version of Record online: 9 OCT 2012 | DOI: 10.1002/smll.201201881

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An elastomeric poly(dimethylsiloxane) (PDMS) block engraved with periodically arrayed nanopillars serves as a transferable light-trapping stamp for encapsulated organic thin-film solar cells. Diffracted light rays from the stamp interfere with one another and self-focus onto the active layer of the solar cell, generating enhanced absorption, as indicated in the current density–voltage measurements.

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