Over 14% efficiency nonfullerene all-small-molecule organic solar cells enabled by improving the ordering of molecular donors via side-chain engineering
文献类型：期刊论文
| 作者 | Gao, Jing; Ge, Jinfeng; Peng, Ruixiang; Liu, Chang; Cao, Liang; Zhang, Danli; Fanady, Billy; Hong, Ling; Zhou, Erjun; Ge, Ziyi |
| 刊名 | JOURNAL OF MATERIALS CHEMISTRY A
 |
| 出版日期 | 2020 |
| 卷号 | 8期号:15页码:7405-7411 |
| 关键词 | FULLERENE |
| DOI | 10.1039/d0ta01893g |
| 英文摘要 | Improving the short-circuit current density (J(sc)) is a big challenge for gaining highly efficient nonfullerene all-small-molecule organic solar cells (NFASM-OSCs). Herein, a novel small molecular donor, BT-2F which is derived from previously reported BTEC-2F, was designed and synthesized. The shortened alkyl-chains with higher regularity endow BT-2F with more ordered packing arrangement and more compact lamellar stacking as evidenced by the characterization of differential scanning calorimetry and grazing incidence X-ray diffraction. By blending BT-2F with Y6 or N3, BT-2F based devices showed impressive power conversion efficiencies (PCEs) of 13.80% and 14.09% respectively, much higher than the reported PCE of 13.34% for BTEC-2F:Y6. Besides, the efficiency of 14.09% is also among the highest PCE values reported so far for NFASM-OSCs. The distinctly improved J(sc) resulted in enhanced PCE values, meanwhile both BT-2F:Y6 and BT-2F:N3 still maintain high fill factors of over 70%, which are ascribed to the good balance between high crystallinity and appropriate phase separation. |
| 学科主题 | Chemistry ; Energy & Fuels ; Materials Science |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/19778]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | 1.Ge, ZY (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China. 2.Ge, ZY (corresponding author), Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Gao, Jing,Ge, Jinfeng,Peng, Ruixiang,et al. Over 14% efficiency nonfullerene all-small-molecule organic solar cells enabled by improving the ordering of molecular donors via side-chain engineering[J]. JOURNAL OF MATERIALS CHEMISTRY A,2020,8(15):7405-7411. |
| APA | Gao, Jing.,Ge, Jinfeng.,Peng, Ruixiang.,Liu, Chang.,Cao, Liang.,...&Ge, Ziyi.(2020).Over 14% efficiency nonfullerene all-small-molecule organic solar cells enabled by improving the ordering of molecular donors via side-chain engineering.JOURNAL OF MATERIALS CHEMISTRY A,8(15),7405-7411. |
| MLA | Gao, Jing,et al."Over 14% efficiency nonfullerene all-small-molecule organic solar cells enabled by improving the ordering of molecular donors via side-chain engineering".JOURNAL OF MATERIALS CHEMISTRY A 8.15(2020):7405-7411. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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