Conventional polymer solar cells with power conversion efficiencies increased to >9% by a combination of methanol treatment and an anionic conjugated polyelectrolyte interface layer

Tao Yuan, Dong Yang, Xiaoguang Zhu, Lingyu Zhou, Jian Zhang, Guoli Tu, Can Li

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The power conversion efficiency of PTB7:PC71BM polymer solar cells was improved to 9.1% by treatment with methanol followed by a water- and alcohol-soluble conjugated polyelectrolyte cathode interface layer. This improvement in efficiency is a result of a combination of an enriched PC71BM ratio on the top surface in the active layer and the presence of the preferred dipole at the cathode interface.

Original languageEnglish (US)
Pages (from-to)50988-50992
Number of pages5
JournalRSC Advances
Volume4
Issue number92
DOIs
StatePublished - 2014

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering

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