Copolymers from naphtho[2,3-c]thiophene-4,9-dione derivatives and benzodithiophene: synthesis and photovoltaic applications

被引：21

作者：

Chen, Xuewen ^{[1
]}

Liu, Bo ^{[1
,2
]}

Zou, Yingping ^{[1
]}

Tang, Wanjun ^{[1
]}

Li, Yongfang ^{[3
]}

Xiao, Dequan ^{[4
]}

机构：

[1] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

[2] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China

[3] Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[4] Yale Univ, Dept Chem, New Haven, CT 06520 USA

来源：

RSC ADVANCES | 2012年 / 2卷 / 19期

基金：

中国博士后科学基金;

关键词：

POLYMER SOLAR-CELLS; OPEN-CIRCUIT VOLTAGE; SIDE-CHAINS; EFFICIENT; PERFORMANCE; DONOR; ENHANCEMENT; LAYER; BAND;

D O I：

10.1039/c2ra20747h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of donor-acceptor (D-A) copolymers from a benzodithiophene (BDT) donor unit and a naphtho[2,3-c]thiophene-4,9-dione (NTDO) acceptor unit with different side chains, PBDTNTDO-C1, PBDTNTDO-C2 and PBDTNTDO-C3, were synthesized by a standard Stille cross-coupling polymerization. The thermal, optical and electrochemical properties of the copolymers were well investigated. Preliminary investigations of the copolymers based on the device structure of ITO/PEDOT : PSS/polymer: PC71BM (1 : 2)/Ca/Al showed power conversion efficiencies (PCEs) of 1.96% for PBDTNTDO-C1, 1.01% for PBDTNTDO-C2 and 2.21% for PBDTNTDO-C3 under the illumination of AM1.5, 100 mW cm(-2).

引用

页码：7439 / 7448

页数：10

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