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All-Polymer Solar Cells from Perylene Diimide Based Copolymers: Material Design and Phase Separation Control

Authors

  • Dr. Erjun Zhou,

    1. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
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  • Junzi Cong,

    1. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
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  • Dr. Qingshuo Wei,

    1. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
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  • Dr. Keisuke Tajima,

    Corresponding author
    1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
    2. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
    • Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
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  • Dr. Chunhe Yang,

    1. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
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  • Prof. Kazuhito Hashimoto

    Corresponding author
    1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
    2. HASHIMOTO Light Energy Conversion Project, Exploratory Research for Advanced Technology (ERATO, Japan), Science Technology Agency (JST, Japan)
    • Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
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Abstract

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It′s all about polymers: All-polymer solar cells (all-PSCs) based on six perylene diimide containing polymers (PX–PDIs) as acceptor materials and two polythiophene derivatives (P3HT and PT1) as donor materials were investigated systematically (see picture). The highest power-conversion efficiency (PCE) of all-PSCs was 2.23 %, one of the highest PCEs of polymer/polymer blend photovoltaic devices reported to date.

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