Hole-transporting diketopyrrolopyrrole-thiophene polymers and their additive-free application for a perovskite-type solar cell with an efficiency of 16.3%

Hirofumi Maruo, Yusuke Sasaki, Kohei Harada, Koki Suwa, Kenichi Oyaizu, Hiroshi Segawa, Kenneth Carter, Hiroyuki Nishide

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Conjugated polymers of diketopyrrolopyrrole (DPP) and thiophene, especially 2,5-di-2-thienyl-thieno[3,2-b]thiophene, were characterized based on their molecular packing orientation, and they showed a π–π stacking distance of 3.6 Å and a high field-effect hole mobility on the order of 10−2 cm2/Vs. Perovskite solar cells fabricated with the genuine or both oxidant- and salt dopant-free polymer as the hole-transporting layer displayed high photoconversion efficiencies of 16.3% as well as high durability.

本文言語English
ページ(範囲)91-96
ページ数6
ジャーナルPolymer Journal
51
1
DOI
出版ステータスPublished - 2019 1 1

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

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