Photovoltaic efficiency enhancement by the generation of an embedded silica-like passivation layer along the P3HT/PCBM interface using an asymmetric block-copolymer additive.
basic_science · Level V
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- Record sourced from PubMed, PMID 22972363.
- Also identified by DOI 10.1002/adma.201201994.
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Abstract
A new approach to improve the power conversion efficiency of polymer bulk-heterojunction solar cells is demonstrated by generating a silica-like passivation layer embedded along the three-dimensionally intertwined interfaces between the nanoscopic domains of P3HT and PCBM by addition of an aymmetric block copolymer containing a short organo-silica precursor.