Please use this identifier to cite or link to this item: https://doi.org/10.1021/acs.chemmater.6b03376
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dc.titleFluorescent Porous Organic Frameworks Containing Molecular Rotors for Size-Selective Recognition
dc.contributor.authorDong, Jinqiao
dc.contributor.authorTummanapelli, Anil Kumar
dc.contributor.authorLi, Xu
dc.contributor.authorYing, Shaoming
dc.contributor.authorHirao, Hajime
dc.contributor.authorZhao, Dan
dc.date.accessioned2020-06-22T07:29:34Z
dc.date.available2020-06-22T07:29:34Z
dc.date.issued2016-11-08
dc.identifier.citationDong, Jinqiao, Tummanapelli, Anil Kumar, Li, Xu, Ying, Shaoming, Hirao, Hajime, Zhao, Dan (2016-11-08). Fluorescent Porous Organic Frameworks Containing Molecular Rotors for Size-Selective Recognition. CHEMISTRY OF MATERIALS 28 (21) : 7889-7897. ScholarBank@NUS Repository. https://doi.org/10.1021/acs.chemmater.6b03376
dc.identifier.issn0897-4756
dc.identifier.issn1520-5002
dc.identifier.urihttps://scholarbank.nus.edu.sg/handle/10635/170641
dc.description.abstract© 2016 American Chemical Society. Fluorescent porous materials have been under intensive investigation recently, because of their wide applications in molecular recognition and chemical sensing. However, it is a great challenge to achieve size selectivity and sensing linearity for molecular recognition. Herein, we report a series of porous organic frameworks (POFs) containing flexible tetraphenylethylene (TPE) moieties as molecular rotors with responsive fluorescent behavior. These fluorescent POFs exhibit size-selective turn-on fluorescence for the effective chemical sensing of volatile organic compounds (VOCs), which can be attributed to the different degrees of motion restriction of flexible TPE rotors by various VOCs, leading to the partially freezing of rotors in more fluorescent conformations. Significantly, a linear aggregation-induced emission (AIE) relationship is observed between the fluorescent POFs and the VOCs over a wide range of concentrations, which is highly beneficial for quantitative sensing applications. The gas-phase detection of arene vapors using POFs is also proven with unprecedentedly high sensitivity, selectively, and recyclability. The mechanism of responsive fluorescence in POFs is further investigated using molecular simulations and density functional theory (DFT) calculations.
dc.language.isoen
dc.publisherAMER CHEMICAL SOC
dc.sourceElements
dc.subjectScience & Technology
dc.subjectPhysical Sciences
dc.subjectTechnology
dc.subjectChemistry, Physical
dc.subjectMaterials Science, Multidisciplinary
dc.subjectChemistry
dc.subjectMaterials Science
dc.subjectAGGREGATION-INDUCED EMISSION
dc.subjectTURN-ON FLUORESCENCE
dc.subjectPOLYMER NETWORKS
dc.subjectADSORPTION
dc.subjectCOORDINATION
dc.subjectCRYSTALLINE
dc.subjectHYDROGEN
dc.subjectMETHANE
dc.subjectDESIGN
dc.subjectSENSOR
dc.typeArticle
dc.date.updated2020-06-20T02:03:36Z
dc.contributor.departmentDEPT OF ELECTRICAL & COMPUTER ENGG
dc.contributor.departmentDEPT OF CHEMISTRY
dc.contributor.departmentDEPT OF CHEMICAL & BIOMOLECULAR ENGG
dc.description.doi10.1021/acs.chemmater.6b03376
dc.description.sourcetitleCHEMISTRY OF MATERIALS
dc.description.volume28
dc.description.issue21
dc.description.page7889-7897
dc.published.statePublished
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