Indene Addition of [6,6]-Phenyl-C61-butyric Acid Methyl Ester for High-Performance Acceptor in Polymer Solar Cells

被引：53

作者：

He, Youjun ^{[1
]}

Peng, Bo ^{[2
]}

Zhao, Guangjin ^{[1
]}

Zou, Yingping ^{[2
]}

Li, Yongfang ^{[1
]}

机构：

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

[2] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 10期

关键词：

OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC PROPERTIES; CONVERSION EFFICIENCY; POLYTHIOPHENES; BISADDUCTS; DESIGN; BAND;

D O I：

10.1021/jp111200u

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：

Indene addition product of [6,6]-phenyl-C-61-butyric acid methyl ester (PC60BM), indende PC60BM (IPC60BM), was synthesized by a one pot reaction of indene and PC60BM at 180 degrees C for 12 h, for combining the advantages of PC60BM and indene-C-60 bis-adduct In the application as acceptor in polymer solar cells (PSCs). The lowest unoccupied molecular orbital (LUMO) energy level of IPC60BM is 0.12 eV up-shifted than that of PC60BM The PSC based on poly(3-hexylthiophene) (P3HT) as donor and IPC60BM as acceptor shows a higher V-oc of 0.72 V and higher power conversion efficiency (PCE) of 4.39% under the illumination of AM1.5G, 100 mW/cm(2), while the PSC based on P3HT/PC60BM displays V-oc of 0.58 V and PCE of 3.49% only The results indicate that IPC60BM is a better acceptor than PC60BM for the P3HT-based PSCs and could be a promising new acceptor instead of PC60BM for high-performance PSCs.

引用

页码：4340 / 4344

页数：5

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