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

被引：2

作者：

Wang, Yaping ^{[1
]}

Yan, Meng ^{[1
]}

Ding, Xingdong ^{[1
]}

Wang, Haoxin ^{[1
]}

Zhai, Mengde ^{[1
]}

Xia, Ziyang ^{[1
]}

Chen, Cheng ^{[1
]}

Tian, Yi ^{[1
]}

Cheng, Ming ^{[1
]}

机构：

[1] Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Peoples R China

来源：

ACS APPLIED ENERGY MATERIALS | 2024年 / 7卷 / 11期

基金：

中国国家自然科学基金;

关键词：

asymmetric molecular structure; small molecule; hole transport material; tin-lead mixed perovskite; solar cell; EFFICIENCY; SN;

D O I：

10.1021/acsaem.4c00756

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：4935 / 4941

页数：7

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