A High Efficiency Nonfullerene Organic Solar Cell with Optimized Crystalline Organizations

Oh Kyu Kwon, Mohammad Afsar Uddin, Jung Hwa Park, Sang Kyu Park, Thanh Luan Nguyen, Han Young Woo, Soo Young Park

Research output: Contribution to journalArticlepeer-review

148 Citations (Scopus)

Abstract

A well-organized donor - acceptor crystalline structure is examined for high performance nonfullerene solar cells. By thermal annealing, nanoscale structures of both donor and acceptor domains are successfully modulated, followed by significant changes in the resulting photovoltaic characteristics. When annealed at 90°C, a maximum power conversion efficiency of 7.64% with a remarkable open-circuit voltage of 1.03 V is obtained.

Original languageEnglish
Pages (from-to)910-916
Number of pages7
JournalAdvanced Materials
Volume28
Issue number5
DOIs
Publication statusPublished - 2016 Feb 3

Keywords

  • fullerene-free devices
  • nonfullerene acceptors
  • semicrystalline photovoltaic materials
  • thermal annealing

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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