An Electron-Deficient Building Block Based on the B←N Unit: An Electron Acceptor for All-Polymer Solar Cells

被引：243

作者：

Dou, Chuandong ^{[1
]}

Long, Xiaojing ^{[1
]}

Ding, Zicheng ^{[1
]}

Xie, Zhiyuan ^{[1
]}

Liu, Jun ^{[1
]}

Wang, Lixiang ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 04期

关键词：

B-N coordination; boron; electron acceptor; polymers; solar cells; FIELD-EFFECT TRANSISTORS; 25TH ANNIVERSARY ARTICLE; LIGHT-EMITTING-DIODES; CONJUGATED POLYMERS; EFFICIENCY; DESIGN; DONOR; AGGREGATION; MORPHOLOGY;

D O I：

10.1002/anie.201508482

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A double B <- N bridged bipyridyl (BNBP) is a novel electron-deficient building block for polymer electron acceptors in all-polymer solar cells. The B <- N bridging units endow BNBP with fixed planar configuration and low-lying LUMO/HOMO energy levels. As a result, the polymer based on BNBP units (P-BNBP-T) exhibits high electron mobility, low-lying LUMO/HOMO energy levels, and strong absorbance in the visible region, which is desirable for polymer electron acceptors. Preliminary all-polymer solar cell (all-PSC) devices with P-BNBP-T as the electron acceptor and PTB7 as the electron donor exhibit a power conversion efficiency (PCE) of 3.38%, which is among the highest values of all-PSCs with PTB7 as the electron donor.

引用

页码：1436 / 1440

页数：5

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