Rational control of sequential morphology evolution and vertical distribution toward 17.18% efficiency all-small-molecule organic solar cells

被引：177

作者：

Sun, Yanna ^{[1
]}

Nian, Li ^{[2
,3
]}

Kan, Yuanyuan ^{[1
]}

Ren, Yi ^{[1
,4
]}

Chen, Zhihao ^{[5
]}

Zhu, Lei ^{[6
]}

Zhang, Ming ^{[6
]}

Yin, Hang ^{[5
]}

Xu, Huajun ^{[1
]}

Li, Jianfeng ^{[4
]}

Hao, Xiaotao ^{[5
]}

Liu, Feng ^{[6
]}

Gao, Ke ^{[1
]}

Li, Yuliang ^{[1
,7
]}

机构：

[1] Shandong Univ, Inst Frontier & Interdisciplinary Sci, Sci Ctr Mat Creat & Energy Convers, Qingdao 266237, Shandong, Peoples R China

[2] South China Normal Univ, South China Acad Adv Optoelect, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China

[3] South China Normal Univ, South China Acad Adv Optoelect, Inst Elect Paper Displays, Guangzhou 510006, Peoples R China

[4] Lanzhou Jiaotong Univ, Gansu Prov Engn Res Ctr Organ Semicond Mat & Appli, Sch Mat Sci & Engn, Lanzhou 730070, Peoples R China

[5] Shanghai Jiao Tong Univ, Dept Phys & Astron, State Key Lab Crystal Mat, Shanghai 200240, Peoples R China

[6] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China

[7] Chinese Acad Sci, Beijing Natl Lab Mol Sci BNLMS, Inst Chem, Beijing 100190, Peoples R China

来源：

JOULE | 2022年 / 6卷 / 12期

基金：

中国国家自然科学基金;

关键词：

FULLERENE; SERIES;

D O I：

10.1016/j.joule.2022.10.005

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：

All-small-molecule organic solar cell (ASM OSC) with an efficiency of up to 17.18% is demonstrated via combining layer-by-layer (LbL) deposition and solid additive methoxy-substituted graphdiyne (GOMe) treatment to manipulate active layer morphology. The rationally controlled morphology with ordered molecular stacking and vertical distribution has dual advantages, as the solid additive GOMe is a good molecular stacking regulator, and LbL configuration serves as a vertical charge-transporting highway with sufficient donor/acceptor interfaces, benefiting carrier generation and transport enhancement simultaneously. A remarkable fill factor of = 77.31% is recorded, and an efficiency of 17.18% is the highest power conversion efficiency (PCE) for ASM OSCs reported to date.

引用

页码：2835 / 2848

页数：15

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