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题名: Photocontrolled Intramolecular Charge/Energy Transfer and Fluorescence Switching of Tetraphenylethene-Dithienylethene-Perylenemonoimide Triad with Donor-Bridge-Acceptor Structure
作者: Li, Chong1; Yan, Hui1; Zhang, Guo-Feng1; Gong, Wen-Liang1; Chen, Tao1; Hu, Rui2; Aldred, Matthew P.1; Zhu, Ming-Qiang1
通讯作者: Aldred, MP (reprint author), Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China.
关键词: dithienylethene ; donor-acceptor systems ; fluorescence ; photochromism ; perylene monoimide ; tetraphenylethene
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2014
DOI: 10.1002/asia.201301071
卷: 9, 期:1, 页:104-109
收录类别: SCI
文章类型: Article
部门归属: [Li, Chong; Yan, Hui; Zhang, Guo-Feng; Gong, Wen-Liang; Chen, Tao; Aldred, Matthew P.; Zhu, Ming-Qiang] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China; [Hu, Rui] Chinese Acad Sci, Inst Hydrobiol, Analyt & Testing Ctr, Wuhan 430074, Hubei, Peoples R China
WOS标题词: Science & Technology ; Physical Sciences
资助者: NSFC [20874025, 21174045, 21150110141, 212111128]; National Basic Research Program of China [2013CB922104]; Special Fellowship of China Post-doctoral Science Foundation [2012T50642]
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
摘要: Photochromic 1,2-dithienylethene (DTE) derivatives with a high thermal stability and fatigue resistance are appealing for optical switching of fluorescence. Here, we introduce a donor-photochromic bridge-acceptor tetraphenylethene-dithienylethene-perylenemonoimide (TPE-DTE-PMI) triad, in which TPE acts as the electron donor, PMI as the electron acceptor, and DTE as the photochromic bridge. In this system, the localized and intramolecular charge transfer emission of TPE-DTE-PMI with various Stokes shifts have been observed due to the photoinduced intramolecular charge transfer in different solvents. Upon UV irradiation, the fluorescence quenching resulting from photochromic fluorescence resonance energy transfer in TPE-DTE-PMI has been demonstrated in solution and in solid films. The fluorescence on/off switching ratio in polymethylacrylate film exceeds 100, a value much higher than in polymethylmethacrylate film, thus indicating that the fluorescence switching is dependent on matrices.
英文摘要: Photochromic 1,2-dithienylethene (DTE) derivatives with a high thermal stability and fatigue resistance are appealing for optical switching of fluorescence. Here, we introduce a donor-photochromic bridge-acceptor tetraphenylethene-dithienylethene-perylenemonoimide (TPE-DTE-PMI) triad, in which TPE acts as the electron donor, PMI as the electron acceptor, and DTE as the photochromic bridge. In this system, the localized and intramolecular charge transfer emission of TPE-DTE-PMI with various Stokes shifts have been observed due to the photoinduced intramolecular charge transfer in different solvents. Upon UV irradiation, the fluorescence quenching resulting from photochromic fluorescence resonance energy transfer in TPE-DTE-PMI has been demonstrated in solution and in solid films. The fluorescence on/off switching ratio in polymethylacrylate film exceeds 100, a value much higher than in polymethylmethacrylate film, thus indicating that the fluorescence switching is dependent on matrices.
关键词[WOS]: AGGREGATION-INDUCED EMISSION ; PHOTOCHROMIC DIARYLETHENE ; OPTICAL-PROPERTIES ; PERYLENE DIIMIDE ; ENHANCEMENT
语种: 英语
WOS记录号: WOS:000328501400015
ISSN号: 1861-4728
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20126
Appears in Collections:分析测试中心_期刊论文

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作者单位: 1.Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Analyt & Testing Ctr, Wuhan 430074, Hubei, Peoples R China
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