Origin of Efficient Inverted Nonfullerene Organic Solar Cells: Enhancement of Charge Extraction and Suppression of Bimolecular Recombination Enabled by Augmented Internal Electric Field
文献类型：期刊论文
| 作者 | Wang, Yiwen1,2; Wu, Bo1,2; Wu, Zhenghui1,2; Lan, Zhaojue1,2; Li, Yongfang3,4; Zhang, Maojie3; Zhu, Furong1,2 |
| 刊名 | JOURNAL OF PHYSICAL CHEMISTRY LETTERS
 |
| 出版日期 | 2017-11-02 |
| 卷号 | 8期号:21页码:5264-5271 |
| 英文摘要 | We report our effort to unravel the origin of efficient operation of nonfullerene organic solar cells (OSCs), based on a poly[4,8-bis(5-(2-ethylhexyl) thiophen-2-y)benzo[1,2b;4,5-b']dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-car- boxylate-2-6-diyl)] (PTB7-Th) :3,9-bis (2-methylene-(3-( 1,1-dicyanomethyl ene)-indanone))-5,5,11,11-tetrakis(4-hexylpheny1)-dithieno[2,3-d:2',3'-d]-s-indaceno [1,2-b:5,6-b']dithiophene (ITIC) blend system. The effects of buildup of space charges, charge extraction, and bimolecular recombination processes on the performance and the stability of PTB7-Th:ITIC-based regular and reverse configuration OSCs are analyzed. It is found that the high performing inverted PTB7-Th:ITIC OSCs benefit from the combined effects of (1) suppression of bimolecular recombination enabled by an augmented effective internal electric field and (2) improvement of charge extraction by avoiding the holes passing through ITIC-rich region, which would otherwise occur in a regular configuration cell. The inverted PTB7Th:ITIC OSCs possess a significant improvement in the cell stability and a high power conversion efficiency of similar to 8.0%, which is >29% higher than that of an optimized regular configuration control cell (6.1%). |
| 语种 | 英语 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/39115]  |
| 专题 | 化学研究所_有机固体实验室 |
| 作者单位 | 1.Hong Kong Baptist Univ, Inst Adv Mat, Dept Phys, Kowloon Tong, Hong Kong, Peoples R China 2.Hong Kong Baptist Univ, Inst Res & Continuing Educ Shenzhen, Kowloon Tong, Hong Kong, Peoples R China 3.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Lab Adv Optoelect Mat, Suzhou 215123, Peoples R China 4.Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, CAS Res Educ Ctr Excellence Mol Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Yiwen,Wu, Bo,Wu, Zhenghui,et al. Origin of Efficient Inverted Nonfullerene Organic Solar Cells: Enhancement of Charge Extraction and Suppression of Bimolecular Recombination Enabled by Augmented Internal Electric Field[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2017,8(21):5264-5271. |
| APA | Wang, Yiwen.,Wu, Bo.,Wu, Zhenghui.,Lan, Zhaojue.,Li, Yongfang.,...&Zhu, Furong.(2017).Origin of Efficient Inverted Nonfullerene Organic Solar Cells: Enhancement of Charge Extraction and Suppression of Bimolecular Recombination Enabled by Augmented Internal Electric Field.JOURNAL OF PHYSICAL CHEMISTRY LETTERS,8(21),5264-5271. |
| MLA | Wang, Yiwen,et al."Origin of Efficient Inverted Nonfullerene Organic Solar Cells: Enhancement of Charge Extraction and Suppression of Bimolecular Recombination Enabled by Augmented Internal Electric Field".JOURNAL OF PHYSICAL CHEMISTRY LETTERS 8.21(2017):5264-5271. |
入库方式： OAI收割
来源：化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。