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Soft Elastomeric Nanopillar Stamps for Enhancing Absorption in Organic Thin‐Film Solar Cells
Author(s) -
Hyun Jerome K.,
Ahn Changui,
Kang Hyunbum,
Kim Hyeong Jun,
Park Junyong,
Kim KiHyun,
Ahn Chi Won,
Kim Bumjoon J.,
Jeon Seokwoo
Publication year - 2013
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201201881
Subject(s) - materials science , nanopillar , elastomer , organic solar cell , absorption (acoustics) , layer (electronics) , thin film , optoelectronics , solar cell , plasmonic solar cell , engraving , nanotechnology , optics , polymer solar cell , composite material , polymer , nanostructure , physics
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.