Dithienogermole As a Fused Electron Donor in Bulk Heterojunction Solar Cells

被引:601
作者
Amb, Chad M. [2 ]
Chen, Song [1 ]
Graham, Kenneth R. [2 ]
Subbiah, Jegadesan [1 ]
Small, Cephas E. [1 ]
So, Franky [1 ]
Reynolds, John R. [2 ]
机构
[1] Univ Florida, Dept Mat Sci & Engn, Ctr Macromol Sci & Engn, Gainesville, FL 32611 USA
[2] Univ Florida, George & Josephine Butler Polymer Res Lab, Ctr Macromol Sci & Engn, Dept Chem, Gainesville, FL 32611 USA
关键词
CONJUGATED POLYMERS; ENERGY-TRANSFER; PERFORMANCE; EFFICIENCY; STABILITY; ATOM;
D O I
10.1021/ja204056m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report the synthesis and bulk heterojunction photovoltaic performance of the first dithienogermole (DTG)-containing conjugated polymer. Stile polycondensation of a distannyl-DTG derivative with 1,3-dibromo-N-octyl-thienopyrrolodione (TPD) results in an alternating copolymer which displays light absorption extending to 735 nm, and a higher HOMO level than the analogous copolymer containing the commonly utilized dithienosilole (DTS) heterocycle. When polyDTG-TPD:PC70BM blends are utilized in inverted bulk heterojunction solar cells, the cells display average power conversion efficiencies of 7.3%, compared to 6.6% for the DTS-containing cells prepared in parallel under identical conditions. The performance enhancement is a result of a higher short-circuit current and fill factor in the DTG-containing cells, which comes at the cost of a slightly lower open circuit voltage than for the DTS-based cells.
引用
收藏
页码:10062 / 10065
页数:4
相关论文
共 41 条
[1]  
[Anonymous], 2001, ELECTROCHEMICAL METH
[2]   Spectral Engineering in π-Conjugated Polymers with Intramolecular Donor-Acceptor Interactions [J].
Beaujuge, Pierre M. ;
Amb, Chad M. ;
Reynolds, John R. .
ACCOUNTS OF CHEMICAL RESEARCH, 2010, 43 (11) :1396-1407
[3]   Tailoring Structure-Property Relationships in Dithienosilole-Benzothiadiazole Donor-Acceptor Copolymers [J].
Beaujuge, Pierre M. ;
Pisula, Wojciech ;
Tsao, Hoi Nok ;
Ellinger, Stefan ;
Muellen, Klaus ;
Reynolds, John R. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2009, 131 (22) :7514-+
[4]   Efficient Solar Cells Based on an Easily Accessible Diketopyrrolopyrrole Polymer [J].
Bijleveld, Johan C. ;
Gevaerts, Veronique S. ;
Di Nuzzo, Daniele ;
Turbiez, Mathieu ;
Mathijssen, Simon G. J. ;
de Leeuw, Dago M. ;
Wienk, Martijn M. ;
Janssen, Rene A. J. .
ADVANCED MATERIALS, 2010, 22 (35) :E242-+
[5]   Poly(2,7-carbazole)s: Structure-property relationships [J].
Blouin, Nicolas ;
Leclerc, Mario .
ACCOUNTS OF CHEMICAL RESEARCH, 2008, 41 (09) :1110-1119
[6]   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
[7]   Charge-transfer and energy-transfer processes in π-conjugated oligomers and polymers:: A molecular picture [J].
Brédas, JL ;
Beljonne, D ;
Coropceanu, V ;
Cornil, J .
CHEMICAL REVIEWS, 2004, 104 (11) :4971-5003
[8]   Electrochemical Considerations for Determining Absolute Frontier Orbital Energy Levels of Conjugated Polymers for Solar Cell Applications [J].
Cardona, Claudia M. ;
Li, Wei ;
Kaifer, Angel E. ;
Stockdale, David ;
Bazan, Guillermo C. .
ADVANCED MATERIALS, 2011, 23 (20) :2367-2371
[9]   Silicon Atom Substitution Enhances Interchain Packing in a Thiophene-Based Polymer System [J].
Chen, Hsiang-Yu ;
Hou, Jianhui ;
Hayden, Amy E. ;
Yang, Hoichang ;
Houk, K. N. ;
Yang, Yang .
ADVANCED MATERIALS, 2010, 22 (03) :371-+
[10]   Bulk Heterojunction Solar Cells Using Thieno[3,4-c]pyrrole-4,6-dione and Dithieno[3,2-b:2′,3′-d]silole Copolymer with a Power Conversion Efficiency of 7.3% [J].
Chu, Ta-Ya ;
Lu, Jianping ;
Beaupre, Serge ;
Zhang, Yanguang ;
Pouliot, Jean-Remi ;
Wakim, Salem ;
Zhou, Jiayun ;
Leclerc, Mario ;
Li, Zhao ;
Ding, Jianfu ;
Tao, Ye .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2011, 133 (12) :4250-4253