DOI: 10.1039/d3ee01333b ISSN: 1754-5692

Selective halogenation of central and end-units of nonfullerene acceptors enables enhanced molecular packing and photovoltaic performance

Meiling Xie, Yanan Shi, Lingyun Zhu, Jianqi Zhang, Qian Cheng, Hao Zhang, Yangjun Yan, Mingquan Zhu, Huiqiong Zhou, Kun Lu, Zhixiang Wei
  • Pollution
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry

Qx-p-4Cl with both a para-fluorinated central unit and chlorinated end groups exhibits enhanced molecular packing, facilitating efficient charge transport, and thus achieving a power conversion efficiency (PCE) of 18.78% when blended with donor PM6.

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