Improving the nanoscale morphology and processibility for PCDTBT-based polymer solar cells via solvent mixtures
文献类型：期刊论文
| 作者 | Fang, Gang; Liu, Jian; Fu, Yingying; Meng, Bin; Zhang, Baohua; Xie, Zhiyuan; Wang, Lixiang |
| 刊名 | ORGANIC ELECTRONICS
 |
| 出版日期 | 2012-11-01 |
| 卷号 | 13期号:11页码:2733-2740 |
| 关键词 | Polymer Solar Cells Phase Separation Solvent Mixtures Thick Active Layer |
| ISSN号 | 1566-1199 |
| DOI | 10.1016/j.orgel.2012.08.003 |
| 英文摘要 | The effect of solvent mixtures on the morphologies of poly[N-9'-hepta-decanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT):[6,6]-phenyl C-71-butyric acid methyl ester (PC71BM) blend films is investigated. 1,2,4-Trichlorobenzene (TCB) which is a good solvent for PCDTBT is selected to mix with chloroform (CF), chlorobenzene (CB) and o-dichlorobenzene (oDCB) for tuning the morphology of the PCDTBT:PC71BM blend. It is found that formation of nanoscale phase separation with a fibrillar PCDTBT nanostructure of PCDTBT:PC71BM blend which is favorable for exciton separation and charge carrier transport is strongly dependent on the solubility parameters of the solvent mixtures. A clearly defined nanoscale phase separation of the PCDTBT:PC71BM blend can be obtained with TCB:CF mixture. The resulted morphology is similar to that produced with sole DCB solvent that is currently the best solvent for PCDTBT:PC71BM blend solar cells. Moreover, the TCB:CF mixture demonstrates better solubility and processibility for PCDTBT:PC71BM blend and allows us to prepare thick active layer that is required in large-area roll-to-roll process. The polymer solar cells with 250 nm- thick active layer are fabricated by using TCB:CF solvent mixture and the power conversion efficiency of the devices reaches 6.45%. A highest short-circuit current of 13.6 mA/cm(2) is achieved due to enhanced optical absorption of thick active layer. (C) 2012 Elsevier B.V. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000311177700075 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/49419]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Xie, Zhiyuan |
| 作者单位 | Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China |
| 推荐引用方式 GB/T 7714 | Fang, Gang,Liu, Jian,Fu, Yingying,et al. Improving the nanoscale morphology and processibility for PCDTBT-based polymer solar cells via solvent mixtures[J]. ORGANIC ELECTRONICS,2012,13(11):2733-2740. |
| APA | Fang, Gang.,Liu, Jian.,Fu, Yingying.,Meng, Bin.,Zhang, Baohua.,...&Wang, Lixiang.(2012).Improving the nanoscale morphology and processibility for PCDTBT-based polymer solar cells via solvent mixtures.ORGANIC ELECTRONICS,13(11),2733-2740. |
| MLA | Fang, Gang,et al."Improving the nanoscale morphology and processibility for PCDTBT-based polymer solar cells via solvent mixtures".ORGANIC ELECTRONICS 13.11(2012):2733-2740. |
入库方式： OAI收割
来源：化学研究所
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