Dibenzo[b,d]thiophene Core Unit-Based Asymmetric Hole Transport Materials for Inverted Tin–Lead Perovskite Solar Cells

Dibenzo[b,d]thiophene Core Unit-Based Asymmetric Hole Transport Materials for Inverted Tin–Lead Perovskite Solar Cells

Three asymmetric hole transport materials (HTMs) based on dibenzo­[b,d]­thiophene core units have been rationally designed and synthesized for highly efficient inverted tin–lead perovskite solar cells (PSCs). The impact of asymmetric peripheral substituents on the photoelectrochemical properties of...

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Veröffentlicht in:ACS applied energy materials 2024-06, Vol.7 (11), p.4935-4941
Hauptverfasser: Wang, Yaping, Yan, Meng, Ding, Xingdong, Wang, Haoxin, Zhai, Mengde, Xia, Ziyang, Chen, Cheng, Tian, Yi, Cheng, Ming
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container_issue 11
container_start_page 4935
container_title ACS applied energy materials
container_volume 7
creator Wang, Yaping
Yan, Meng
Ding, Xingdong
Wang, Haoxin
Zhai, Mengde
Xia, Ziyang
Chen, Cheng
Tian, Yi
Cheng, Ming
description Three asymmetric hole transport materials (HTMs) based on dibenzo­[b,d]­thiophene core units have been rationally designed and synthesized for highly efficient inverted tin–lead perovskite solar cells (PSCs). The impact of asymmetric peripheral substituents on the photoelectrochemical properties of HTMs and the relationship between molecular configuration and their conversion performance are systematically investigated. Among these reported HTMs, HTM TPA-DBT-DTPA-based PSC exhibits a power conversion efficiency (PCE) of 22.4%, which is higher than the PEDOT:PSS-based control device, together with improved long-term stability.
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title Dibenzo[b,d]thiophene Core Unit-Based Asymmetric Hole Transport Materials for Inverted Tin–Lead Perovskite Solar Cells
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