High-performance alloy model-based ternary small molecule solar cells

被引：57

作者：

An, Qiaoshi ^{[1
]}

Zhang, Fujun ^{[1
]}

Yin, Xinxing ^{[2
]}

Sun, Qianqian ^{[1
]}

Zhang, Miao ^{[1
]}

Zhang, Jian ^{[3
]}

Tang, Weihua ^{[3
]}

Deng, Zhenbo ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China

[2] Nanjing Univ Sci & Technol, Key Lab Soft Chem & Funct Mat, Minist Educ, Nanjing 210094, Jiangsu, Peoples R China

[3] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Dept Mat Sci & Technol, 1 Jinji Rd, Guilin 541004, Guangxi, Peoples R China

来源：

NANO ENERGY | 2016年 / 30卷

基金：

中国国家自然科学基金;

关键词：

Small molecular solar cell; Ternary strategy; Alloy mode; Charge carrier transport; OPEN-CIRCUIT VOLTAGE; CONJUGATED POLYMER; IR SENSITIZATION; ENERGY-TRANSFER; HIGH-EFFICIENCY; HETEROJUNCTION; BISADDUCT; TRANSPORT;

D O I：

10.1016/j.nanoen.2016.10.021

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：

There are two crucial tasks for achieving high-performance organic solar cells: increasing photon harvesting and realizing the optimized morphology of active layers. Here, two small molecules DRCN5T and DR3TSBDT as donors and PC71BM as acceptor were employed to fabricate ternary small molecule solar cells (SMSCs). The optimized ternary SMSCs delivered a power conversion efficiency of 10.16%, which was higher than that of binary SMSCs. In addition to enhanced photon harvesting, the two donors with good compatibility prefer to form alloy state in ternary active layer, resulting in efficient hole transport and continuously tunable open circuit voltage.

引用

页码：276 / 282

页数：7

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