Medium Bandgap Conjugated Polymer for High Performance Polymer Solar Cells Exceeding 9% Power Conversion Efficiency

被引:86
作者
Jung, Jae Woong [1 ]
Liu, Feng [2 ]
Russell, Thomas P. [2 ]
Jo, Won Ho [1 ]
机构
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea
[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA
关键词
ENHANCED PHOTOVOLTAIC PERFORMANCE; EXTENDED PI-CONJUGATION; OPEN-CIRCUIT VOLTAGE; ORGANIC PHOTOVOLTAICS; ELECTRONIC-PROPERTIES; MOLECULAR DESIGN; BENZODITHIOPHENE; ACCEPTOR; DIKETOPYRROLOPYRROLE; BENZOTHIADIAZOLE;
D O I
10.1002/adma.201503902
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two medium-bandgap polymers composed of benzo[1,2-b:4,5-b']dithiohpene and 2,1,3-benzothiadiazole with 6-octylthieno[3,2-b]thiophene as a p-bridge unit are synthesized and their photovoltaic properties are analyzed. The two polymers have deep highest occupied molecular orbital energy levels, high crystallinity, optimal bulk-heterojunction morphology, and efficient charge transport, resulting in a power conversion efficiency of as high as 9.44% for a single-junction polymer solar-cell device.
引用
收藏
页码:7462 / +
页数:8
相关论文
共 53 条
[1]   Processable Low-Bandgap Polymers for Photovoltaic Applications [J].
Boudreault, Pierre-Luc T. ;
Najari, Ahmed ;
Leclerc, Mario .
CHEMISTRY OF MATERIALS, 2011, 23 (03) :456-469
[2]   Polymer-Fullerene Bulk-Heterojunction Solar Cells [J].
Brabec, Christoph J. ;
Gowrisanker, Srinivas ;
Halls, Jonathan J. M. ;
Laird, Darin ;
Jia, Shijun ;
Williams, Shawn P. .
ADVANCED MATERIALS, 2010, 22 (34) :3839-3856
[3]   Polymer solar cells with enhanced open-circuit voltage and efficiency [J].
Chen, Hsiang-Yu ;
Hou, Jianhui ;
Zhang, Shaoqing ;
Liang, Yongye ;
Yang, Guanwen ;
Yang, Yang ;
Yu, Luping ;
Wu, Yue ;
Li, Gang .
NATURE PHOTONICS, 2009, 3 (11) :649-653
[4]   Development of Novel Conjugated Donor Polymers for High-Efficiency Bulk-Heterojunction Photovoltaic Devices [J].
Chen, Junwu ;
Cao, Yong .
ACCOUNTS OF CHEMICAL RESEARCH, 2009, 42 (11) :1709-1718
[5]   Recombination in polymer-fullerene bulk heterojunction solar cells [J].
Cowan, Sarah R. ;
Roy, Anshuman ;
Heeger, Alan J. .
PHYSICAL REVIEW B, 2010, 82 (24)
[6]   A Series of New Medium-Bandgap Conjugated Polymers Based on Naphtho[1,2-c:5,6-c]bis(2-octyl-[1,2,3]triazole) for High-Performance Polymer Solar Cells [J].
Dong, Yang ;
Hu, Xiaowen ;
Duan, Chunhui ;
Liu, Peng ;
Liu, Shengjian ;
Lan, Liuyuan ;
Chen, Dongcheng ;
Ying, Lei ;
Su, Shijian ;
Gong, Xiong ;
Huang, Fei ;
Cao, Yong .
ADVANCED MATERIALS, 2013, 25 (27) :3683-3688
[7]   Deep Absorbing Porphyrin Small Molecule for High-Performance Organic Solar Cells with Very Low Energy Losses [J].
Gao, Ke ;
Li, Lisheng ;
Lai, Tianqi ;
Xiao, Liangang ;
Huang, Yuan ;
Huang, Fei ;
Peng, Junbiao ;
Cao, Yong ;
Liu, Feng ;
Russell, Thomas P. ;
Janssen, Rene A. J. ;
Peng, Xiaobin .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2015, 137 (23) :7282-7285
[8]  
He ZC, 2015, NAT PHOTONICS, V9, P174, DOI [10.1038/NPHOTON.2015.6, 10.1038/nphoton.2015.6]
[9]   Simultaneous Enhancement of Open-Circuit Voltage, Short-Circuit Current Density, and Fill Factor in Polymer Solar Cells [J].
He, Zhicai ;
Zhong, Chengmei ;
Huang, Xun ;
Wong, Wai-Yeung ;
Wu, Hongbin ;
Chen, Liwei ;
Su, Shijian ;
Cao, Yong .
ADVANCED MATERIALS, 2011, 23 (40) :4636-+
[10]   Synthesis of a Low Band Gap Polymer and Its Application in Highly Efficient Polymer Solar Cells [J].
Hou, Jianhui ;
Chen, Hsiang-Yu ;
Zhang, Shaoqing ;
Chen, Ruby I. ;
Yang, Yang ;
Wu, Yue ;
Li, Gang .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (43) :15586-+