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题名: Intraligand Charge Transfer Sensitization on Self-Assembled Europium Tetrahedral Cage Leads to Dual-Selective Luminescent Sensing toward Anion and Cation
作者: Liu, Cui-Lian1;  Zhang, Rui-Ling2, 3;  Lin, Chen-Sheng1;  Zhou, Li-Peng1;  Cai, Li-Xuan1;  Kong, Jin-Tao1;  Yang, Song-Qiu2;  Han, Ke-Li2;  Sun, Qing-Fu1
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2017-09-13
DOI: 10.1021/jacs.7b05157
卷: 139, 期:36, 页:12474-12479
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Luminescent supramolecular lanthanide edifices have many potential applications in biology, environments, and materials science. However, it is still a big challenge to improve the luminescent performance of multinuclear lanthanide assemblies in contrast to their mononuclear counterparts. Herein, we demonstrate that combination of intraligand charge transfer (ILCT) sensitization and coordination-driven self-assembly gives birth to bright Eu-III tetrahedral cages with a record emission quantum yield of 23.1%. The ILCT sensitization mechanism has been unambiguously confirmed by both time-dependent density functional theory calculation and femtosecond transient absorption studies. Meanwhile, dual-responsive sensing toward both anions and cations has been demonstrated making use of the ILCT transition on the ligand. Without introduction of additional recognition units, high sensitivity and selectivity are revealed for the cage in both turn-off luminescent sensing toward I- and turn-on sensing toward Cu2+. This study offers important design principles for the future development of luminescent lanthanide molecular materials.
关键词[WOS]: LANTHANIDE COMPLEXES ;  COORDINATION-COMPLEXES ;  MOLECULAR FLASKS ;  III-LUMINESCENCE ;  M4L4 TETRAHEDRA ;  PI INTERACTIONS ;  LIGANDS ;  EMISSION ;  SYSTEMS ;  TRIPLET
语种: 英语
WOS记录号: WOS:000411043900032
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150174
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.Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Cui-Lian,Zhang, Rui-Ling,Lin, Chen-Sheng,et al. Intraligand Charge Transfer Sensitization on Self-Assembled Europium Tetrahedral Cage Leads to Dual-Selective Luminescent Sensing toward Anion and Cation[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2017,139(36):12474-12479.
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