The influence of numbers of subunits on the photovoltaic performance of non-fullerene acceptors

被引：4

作者：

Xu, Xiaozhou ^{[1
,2
]}

Xing, Wang ^{[2
]}

Chen, Yusheng ^{[2
]}

Liu, Fengquan ^{[1
]}

Wu, Xiaoxi ^{[2
]}

Dong, Tao ^{[2
]}

Ye, Pan ^{[2
]}

Liu, Zhengping ^{[1
]}

Huang, Hui ^{[2
]}

机构：

[1] Beijing Normal Univ, Coll Chem, Beijing 101408, Peoples R China

[2] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 101408, Peoples R China

来源：

SYNTHETIC METALS | 2017年 / 231卷

基金：

北京市自然科学基金;

关键词：

Organic solar cells; Non-fullerene small-molecular acceptors; Electron-deficient subunits; Optical absorbption; Energy levels; Charge transport mobilities; POLYMER SOLAR-CELLS; CHARGE SEPARATION; SMALL-MOLECULE; EFFICIENT; DONOR; DESIGN;

D O I：

10.1016/j.synthmet.2017.06.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two new small-molecular acceptors SF-2IIG and SF-4IIG were designed and synthesized to investigate the influence of the numbers of electron-deficient subunits of non-fullerene acceptors on the efficencies of photovotaic devices. The studies showed that these two acceptors have different optical absorbption, energy levels, charge transport mobilities. As a result, the efficiencies of SF-4IIG based solar cells are significantly higher than those of SF-2IIG based ones.

引用

页码：19 / 24

页数：6

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