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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish
JournalPolymer Journal
DOIs
Publication statusAccepted/In press - 2018 Jan 1

Fingerprint

Thiophenes
Thiophene
Perovskite
Solar cells
Polymers
Hole mobility
Conjugated polymers
Oxidants
Durability
Salts
Doping (additives)
perovskite
Perovskite solar cells

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Hole-transporting diketopyrrolopyrrole-thiophene polymers and their additive-free application for a perovskite-type solar cell with an efficiency of 16.3%. / Maruo, Hirofumi; Sasaki, Yusuke; Harada, Kohei; Suwa, Koki; Oyaizu, Kenichi; Segawa, Hiroshi; Carter, Kenneth; Nishide, Hiroyuki.

In: Polymer Journal, 01.01.2018.

Research output: Contribution to journalArticle

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abstract = "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 {\AA} 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.",
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AU - Sasaki, Yusuke

AU - Harada, Kohei

AU - Suwa, Koki

AU - Oyaizu, Kenichi

AU - Segawa, Hiroshi

AU - Carter, Kenneth

AU - Nishide, Hiroyuki

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