Efficient low-bandgap polymer solar cells with high open-circuit voltage and good stability

Tingxuan Ma, Kui Jiang, Shangshang Chen, Huawei Hu, Haoran Lin, Zhengke Li, Jingbo Zhao, Yuhang Liu, Yi Ming Chang, Chung Chin Hsiao, He Yan*

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

Abstract

A novel D-A1-D-A2-type polymer that exhibits a small bandgap of 1.43 eV yet still yields polymer solar cells with a high open-circuit voltage (VOC) of 0.81 V and power conversion efficiencies of up to 8.63% is reported. Comparable efficiencies can be achieved even when the active layer is processed in air or after it is thermally annealed at 150 °C.

Original languageEnglish
Article number1501282
JournalAdvanced Energy Materials
Volume5
Issue number20
DOIs
Publication statusPublished - 21 Oct 2015

Bibliographical note

Publisher Copyright:
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • diketopyrrolopyrrole
  • high open circuit voltages
  • low-bandgap polymers
  • polymer solar cells

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