Non-fullerene acceptors for organic solar cells

被引:2645
作者
Yan, Cenqi [1 ]
Barlow, Stephen [2 ,3 ]
Wang, Zhaohui [4 ]
Yan, He [5 ,6 ]
Jen, Alex K. -Y. [7 ]
Marder, Seth R. [2 ,3 ]
Zhan, Xiaowei [1 ]
机构
[1] Peking Univ, Dept Mat Sci & Engn, Coll Engn, Key Lab Polymer Chem & Phys,Minist Educ, Beijing, Peoples R China
[2] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
[3] Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
[4] Tsinghua Univ, Dept Chem, MOE Key Lab Organ Optoelect & Mol Engn, Beijing, Peoples R China
[5] Hong Kong Univ Sci & Technol, Dept Chem, Clear Water Bay, Kowloon, Hong Kong, Peoples R China
[6] Hong Kong Univ Sci & Technol, Chinese Natl Engn Res Ctr Tissue Restorat & Recon, Clear Water Bay, Hong Kong Branch, Kowloon, Hong Kong, Peoples R China
[7] City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Hong Kong, Peoples R China
来源
NATURE REVIEWS MATERIALS | 2018年 / 3卷 / 03期
基金
中国国家自然科学基金;
关键词
POWER CONVERSION EFFICIENCY; SMALL-MOLECULE ACCEPTOR; NONPLANAR PERYLENE DIIMIDES; OPEN-CIRCUIT VOLTAGE; HIGH-PERFORMANCE; ELECTRON-ACCEPTOR; NONFULLERENE ACCEPTORS; POLYMER ACCEPTOR; SEMICONDUCTING POLYMERS; 13-PERCENT EFFICIENCY;
D O I
10.1038/natrevmats.2018.3
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Non-fullerene acceptors (NFAs) are currently a major focus of research in the development of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene acceptors (FAs), the optical properties and electronic energy levels of NFAs can be readily tuned. NFA-based OSCs can also achieve greater thermal stability and photochemical stability, as well as longer device lifetimes, than their FA-based counterparts. Historically, the performance of NFA OSCs has lagged behind that of fullerene devices. However, recent developments have led to a rapid increase in power conversion efficiencies for NFA OSCs, with values now exceeding 13%, demonstrating the viability of using NFAs to replace FAs in next-generation high-performance OSCs. This Review discusses the important work that has led to this remarkable progress, focusing on the two most promising NFA classes to date: rylene diimide-based materials and materials based on fused aromatic cores with strong electron-accepting end groups. The key structure-property relationships, donor-acceptor matching criteria and aspects of device physics are discussed. Finally, we consider the remaining challenges and promising future directions for the NFA OSCs field.
引用
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页数:19
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