Enhancing Ultralong Organic Phosphorescence by Effective pi-Type Halogen Bonding
文献类型：期刊论文
| 作者 | Cai, Suzhi; Shi, Huifang; Tian, Dan; Ma, Huili; Cheng, Zhichao; Wu, Qi; Gu, Mingxing; Huang, Ling; An, Zhongfu; Peng, Qian |
| 刊名 | ADVANCED FUNCTIONAL MATERIALS
 |
| 出版日期 | FEB 28 2018 |
| 卷号 | 28期号:9页码:- |
| 英文摘要 | Efficient ultralong organic phosphorescent materials have potential applications in some fields, such as bioimaging, anti-counterfeiting, and sensors. Nevertheless, phosphorescence efficiencies of metal-free organic materials are low due to weak spin-orbit coupling and vigorous nonradiative transitions under ambient conditions. Here a chemical strategy to improve phosphorescence efficiency with intermolecular p-type halogen bonding construction via isomerism is presented. X-ray single crystal analysis reveals that different halogen bonding is formed among p-BrTCz, m-BrTCz, and o-BrTCz crystals. Phosphorescence efficiency of m-BrTCz in solid can reach 13.0%, seven times of o-BrTCz in solid owing to effective p-type halogen bonding, which is further confirmed by theoretical calculations. However, ultralong phosphorescence lifetimes are little affected, 155, 120, and 156 ms for p-BrTCz, m-BrTCz, and o-BrTCz in the solid state, respectively. Furthermore, a simple pattern for data encryption and decryption is first demonstrated under sunlight. This result will provide an approach for improving the phosphorescent efficiency of metal-free organic phosphors with ultralong luminescence. |
| WOS记录号 | WOS:000426154500008 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/38749]  |
| 专题 | 化学研究所_其它 |
| 推荐引用方式 GB/T 7714 | Cai, Suzhi,Shi, Huifang,Tian, Dan,et al. Enhancing Ultralong Organic Phosphorescence by Effective pi-Type Halogen Bonding[J]. ADVANCED FUNCTIONAL MATERIALS,FEB ,28(9):-. |
| APA | Cai, Suzhi.,Shi, Huifang.,Tian, Dan.,Ma, Huili.,Cheng, Zhichao.,...&Huang, Wei.(FEB ).Enhancing Ultralong Organic Phosphorescence by Effective pi-Type Halogen Bonding.ADVANCED FUNCTIONAL MATERIALS,28(9),-. |
| MLA | Cai, Suzhi,et al."Enhancing Ultralong Organic Phosphorescence by Effective pi-Type Halogen Bonding".ADVANCED FUNCTIONAL MATERIALS 28.9(FEB ):-. |
入库方式： OAI收割
来源：化学研究所
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