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Synthesis, optical properties and ultrafast dynamics of a 2,1,3-benzothiadiazole-based red emitter with intense fluorescence and large two-photon absorption cross-section
Wang, Yaochuan1,2; Huang, Ju3,4; Zhou, Hui1; Ma, Guohong5; Qian, Shixiong1; Zhu, Xu-hui3,4
关键词Two-photon Absorption Two-photon Fluorescence Excited State Dynamics Intramolecular Charge Transfer Benzothiadiazole Red Emitter
刊名DYES AND PIGMENTS
2012
DOI10.1016/j.dyepig.2011.06.032
92期:1页:573-579
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
研究领域[WOS]Chemistry ; Engineering ; Materials Science
关键词[WOS]ABSORBING MATERIALS ; DITHIENYLBENZOTHIADIAZOLE ; EFFICIENT ; DYES ; ELECTROLUMINESCENCE ; MOLECULES ; DESIGN ; DIODES ; DONOR
英文摘要A new 2,1,3-benzothiadiazole-based red fluorescent compound with a D-A-D type structure was synthesized and characterized. The central 2,1,3-benzothiadiazole core was symmetrically connected via the 4,7-positions with two donor groups in which the 7-position of a fluorenyl ring was substituted with a carbazol-9-yl moiety and the 2-position was substituted by a 5-thienyl moiety. The carbazol moieties were further derivatized by two 2-naphthyl moieties at the 3,6-positions. Femtosecond laser spectroscopic techniques including excited state fluorescence and pump-probe technique investigations, together with steady state absorption and one-photon fluorescence spectra, were employed to systematically investigate the optical properties and ultrafast dynamics of the new compound in tetrahydrofuran solution. It shows a large two-photon absorption cross-section and high fluorescence quantum yield, indicating potential application in two-photon fluorescence imaging field. The ultrafast dynamics results reveal competition between a pure excited state relaxation process and stimulated radiation in the red wavelength region. (C) 2011 Published by Elsevier Ltd.
语种英语
WOS记录号WOS:000295952300010
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142957
专题中国科学院大连化学物理研究所
作者单位1.Fudan Univ, Dept Phys, Surface Phys Lab, State Key Lab, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.S China Univ Technol, State Key Lab Phys & Chem Luminescence, Guangzhou 510640, Peoples R China
4.S China Univ Technol, Inst Polymer Optoelect Mat & Devices, Guangzhou 510640, Peoples R China
5.Shanghai Univ, Dept Phys, Shanghai 200000, Peoples R China
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Wang, Yaochuan,Huang, Ju,Zhou, Hui,et al. Synthesis, optical properties and ultrafast dynamics of a 2,1,3-benzothiadiazole-based red emitter with intense fluorescence and large two-photon absorption cross-section[J]. DYES AND PIGMENTS,2012,92(1):573-579.
APA Wang, Yaochuan,Huang, Ju,Zhou, Hui,Ma, Guohong,Qian, Shixiong,&Zhu, Xu-hui.(2012).Synthesis, optical properties and ultrafast dynamics of a 2,1,3-benzothiadiazole-based red emitter with intense fluorescence and large two-photon absorption cross-section.DYES AND PIGMENTS,92(1),573-579.
MLA Wang, Yaochuan,et al."Synthesis, optical properties and ultrafast dynamics of a 2,1,3-benzothiadiazole-based red emitter with intense fluorescence and large two-photon absorption cross-section".DYES AND PIGMENTS 92.1(2012):573-579.
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