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题名: Macroscopic Wires from Fluorophore-Quencher Dyads with Long-Lived Blue Emission
作者: Wang, Tao1, 2;  Wu, Ziye2;  Sun, Wei1, 2;  Jin, Shengye3;  Zhang, Xingyuan1;  Zhou, Chuanyao3;  Jiang, Jun1, 2;  Luo, Yi1, 2;  Zhang, Guoqing2
刊名: JOURNAL OF PHYSICAL CHEMISTRY A
发表日期: 2017-09-28
DOI: 10.1021/acs.jpca.7b08268
卷: 121, 期:38, 页:7183-7190
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: We report the formation of macroscopic wires up to centimeters in length from a series of structurally flexible, covalently tethered small-molecular fluorophore-quencher dyads (FQDs, average MW = 425 Da), comprised of carbazole, melatonin, and cyanobenzoate moieties. These FQDs are nonemissive in organic solutions but become moderately to highly luminescent (Phi(F) = 0.037-0.39) upon formation of wires with emission maxima in the blue region (446-483 nm). The blue photoluminescence (PL) is ascribed to a combination of singlet charge transfer, localized triplet state, and possibly delayed fluorescence emissions with intrinsic luminescence lifetimes ranging from 0.228 to 21333 mu s, based on luminescence, transient absorption measurements, X-ray diffraction, and calculations.
关键词[WOS]: AGGREGATION-INDUCED EMISSION ;  ACTIVATED DELAYED FLUORESCENCE ;  LIGHT-EMITTING-DIODES ;  ROOM-TEMPERATURE ;  ENERGY-TRANSFER ;  SINGLET-STATE ;  TRIPLET ;  CONVERSION ;  OLEDS
语种: 英语
WOS记录号: WOS:000412149600014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150192
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, Sch Chem & Mat Sci, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Micro Scale, Hefei 230026, Anhui, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Tao,Wu, Ziye,Sun, Wei,et al. Macroscopic Wires from Fluorophore-Quencher Dyads with Long-Lived Blue Emission[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2017,121(38):7183-7190.
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