Self-assembly of interfacial and photoactive layers via one-step solution processing for efficient inverted organic solar cells

Hongkyu Kang, Jinho Lee, Suhyun Jung, Kilho Yu, Sooncheol Kwon, Soonil Hong, Seyoung Kee, Seongyu Lee, Dongwon Kim, Kwanghee Lee

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

Vertically self-assembled bilayers with an interfacial bottom layer and a photoactive top layer are demonstrated via a single coating step of a blend composed of an amine-containing nonconjugated polyelectrolyte (NPE) and an organic electron donor-acceptor bulk heterojunction composite. The self-assembled NPE layer reduces the work function of an indium tin oxide (ITO) cathode, which leads to efficient inverted organic solar cells without any additional interface engineering of the ITO.

Original languageEnglish
Pages (from-to)11587-11591
Number of pages5
JournalNanoscale
Volume5
Issue number23
DOIs
StatePublished - 7 Dec 2013

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