Substantial Intramolecular Charge Transfer Induces Long Emission Wavelengths and Mega Stokes Shifts in 6-Aminocoumarins
文献类型：期刊论文
| 作者 | Liu, Xiaogang1,2,3; Cole, Jacqueline M.2,5,6,7; Xu, Zhaochao4 |
| 刊名 | JOURNAL OF PHYSICAL CHEMISTRY C
 |
| 出版日期 | 2017-06-22 |
| 卷号 | 121页码:13274-13279 |
| DOI | 10.1021/acs.jpcc.7b04176 |
| 英文摘要 | Coumarins are deployed in numerous bioimaging and biosensing applications. Among various coumarin derivatives, 6-aminocoumarins attract increasing attention for their red-shifted emissions, mega Stokes shifts, and significant solvatochromism. These spectral characteristics together with weak emission intensities have historically been ascribed to the formation of the twisted intramolecular charge transfer (TICT) state in 6-aminocoumarins. In this work, we demonstrate that it is actually substantial intramolecular Charge transfer (ICT) that is responsible for these fluorescent properties. Based on this new understanding, we reanalyzed the sensing mechanism of a 6-aminocouarmin based fluorescent probe and obtained close agreement with experimental data. Our results lead to a deeper understanding of the photophysics of 6-aminocoumarins and will inspire the rational development of novel fluorescent probes. |
| 语种 | 英语 |
| WOS记录号 | WOS:000404201900035 |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/152107]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Singapore MIT Alliance Res & Technol SMART, 1 CREATE Way, Singapore 138602, Singapore 2.Univ Cambridge, Dept Phys, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England 3.Singapore Univ Technol & Design, 8 Somapah Rd, Singapore 487372, Singapore 4.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, 457 Zhongshan Rd, Dalian 116023, Peoples R China 5.Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA 6.STFC Rutherford Appleton Lab, ISIS Neutron & Muon Facil, Harwell Sci & Innovat Campus, Didcot OX11 0QX, Oxon, England 7.Univ Cambridge, Dept Chem Engn & Biotechnol, Philippa Fawcett Dr, Cambridge CB3 0AS, England |
| 推荐引用方式 GB/T 7714 | Liu, Xiaogang,Cole, Jacqueline M.,Xu, Zhaochao. Substantial Intramolecular Charge Transfer Induces Long Emission Wavelengths and Mega Stokes Shifts in 6-Aminocoumarins[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2017,121:13274-13279. |
| APA | Liu, Xiaogang,Cole, Jacqueline M.,&Xu, Zhaochao.(2017).Substantial Intramolecular Charge Transfer Induces Long Emission Wavelengths and Mega Stokes Shifts in 6-Aminocoumarins.JOURNAL OF PHYSICAL CHEMISTRY C,121,13274-13279. |
| MLA | Liu, Xiaogang,et al."Substantial Intramolecular Charge Transfer Induces Long Emission Wavelengths and Mega Stokes Shifts in 6-Aminocoumarins".JOURNAL OF PHYSICAL CHEMISTRY C 121(2017):13274-13279. |
入库方式： OAI收割
来源：大连化学物理研究所
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