S•••Cl intramolecular interaction: An efficient strategy to improve power conversion efficiency of organic solar cells

被引：11

作者：

Jiang, Sai ^{[1
,2
]}

Qin, Linqing ^{[2
]}

Chen, Hao ^{[2
]}

Wu, Xiaoxi ^{[2
]}

Li, Yuhao ^{[3
]}

Lv, Lei ^{[2
]}

Chen, Jingya ^{[1
]}

Tao, Youtian ^{[1
]}

Zhang, Shiming ^{[1
,4
]}

Lu, Xinhui ^{[3
]}

Shi, Qinqin ^{[2
]}

Huang, Hui ^{[2
]}

机构：

[1] Nanjing Tech Univ, Key Lab Flexible Elect KLOFE, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China

[2] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Key Lab Vacuum Phys, Beijing 100049, Peoples R China

[3] Chinese Univ Hong Kong, Dept Phys, Hong Kong, Peoples R China

[4] Jiangsu Seenbom Flexible Elect Inst Co Ltd, Nanjing, Peoples R China

来源：

DYES AND PIGMENTS | 2020年 / 179卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Non-fullerene acceptor; Noncovalent conformational locks; Charge transport mobility; Organic solar cells; NONCOVALENT CONFORMATIONAL LOCKS; OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC PERFORMANCE; SIGNIFICANT ENHANCEMENT; POLYMER; ACCEPTOR; DESIGN; UNIT;

D O I：

10.1016/j.dyepig.2020.108416

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Noncovalent conformational locks (NCLs) including S center dot center dot center dot N, Se center dot center dot center dot O, and S center dot center dot center dot O etc. Have been an effective strategy to improve the planarity and rigidity, and charge transport mobility of organic/polymeric semiconductors. Herein, by replacing methyl group (ITMIC) with chlorine (ITCIC) in the pi-bridge, the planarity and rigidity of the pi-conjugated skeleton was enhanced by introduction of S center dot center dot center dot Cl NCLs, thus the charge transport mobility was improved accordingly. As a result, PM6:ITCIC based organic solar cells showed impressive PCE of 11.34%, much higher than that based on PM6:ITMIC. This contribution demonstrated a novel kind NCLs (S center dot center dot center dot Cl) for improving the performance of organic solar cells.

引用

页数：6

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