Synthesis of C60-end capped P3HT and its application for high performance of P3HT/PCBM bulk heterojunction solar cells

被引：111

作者：

Lee, Jea Uk ^{[1
]}

Jung, Jae Woong ^{[1
]}

Emrick, Todd ^{[2
]}

Russell, Thomas P. ^{[2
]}

Jo, Won Ho ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea

[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01002 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2010年 / 20卷 / 16期

基金：

美国国家科学基金会;

关键词：

REGIOREGULAR POLY(3-HEXYLTHIOPHENE); POLYTHIOPHENE COPOLYMERS; MORPHOLOGY; EFFICIENT; FULLERENE; DIBLOCK;

D O I：

10.1039/b923752f

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：

A new C-60-end capped poly(3-hexylthiophene) (P3HT-C-60) was synthesized via a simple three-step process, and used as a compatibilizer for P3HT/PCBM composite for the purpose of controlling the morphology of P3HT/PCBM composite film, and thus improving the long-term thermal stability of solar cell performance. When a small amount of P3HT-C-60 was added to P3HT/PCBM, the bicontinuous and nanometre-scale film morphology was developed and preserved for 2 h of annealing at 150 degrees C. Furthermore, the addition of P3HT-C-60 as a compatibilizer suppressed large-scale phase separation of P3HT/PCBM composite even after prolonged annealing time (8 days), and as a result, the P3HT/PCBM/P3HT-C-60 bulk heterojunction solar cells exhibited the excellent long-term thermal stability of device performance.

引用

页码：3287 / 3294

页数：8

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