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Article: Epitaxial Growth of γ-Cyclodextrin-Containing Metal-Organic Frameworks Based on a Host-Guest Strategy

TitleEpitaxial Growth of γ-Cyclodextrin-Containing Metal-Organic Frameworks Based on a Host-Guest Strategy
Authors
Issue Date2018
Citation
Journal of the American Chemical Society, 2018, v. 140, n. 36, p. 11402-11407 How to Cite?
AbstractA class of metal-organic frameworks (MOFs) - namely CD-MOFs - obtained from natural products has been grown in an epitaxial fashion as films on the surfaces of glass substrates, which are modified with self-assembled monolayers (SAMs) of γ-cyclodextrin (γ-CD) molecules. The SAMs are created by host-guest complexation of γ-CD molecules with surface-functionalized pyrene units. The CD-MOF films have continuous polycrystalline morphology with a structurally out-of-plane (c-axial) orientation, covering an area of several square millimeters, with a thickness of ∼2 μm. Furthermore, this versatile host-guest strategy has been applied successfully in the growth of CD-MOFs as the shell on the curved surface of microparticles as well as in the integration of CD-MOF films into electrochemical devices for sensing carbon dioxide. In striking contrast to the control devices prepared from CD-MOF crystalline powders, these CD-MOF film-based devices display an enhancement in proton conductance of up to 300-fold. In addition, the CD-MOF film-based device exhibits more rapid and highly reversible CO2-sensing cycles under ambient conditions, with a 50-fold decrease in conductivity upon exposure to CO2 for 3 s which is recovered within 10 s upon re-exposure to air.
Persistent Identifierhttp://hdl.handle.net/10722/333337
ISSN
2023 Impact Factor: 14.4
2023 SCImago Journal Rankings: 5.489
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorShen, Dengke-
dc.contributor.authorWang, Gang-
dc.contributor.authorLiu, Zhichang-
dc.contributor.authorLi, Peng-
dc.contributor.authorCai, Kang-
dc.contributor.authorCheng, Chuyang-
dc.contributor.authorShi, Yi-
dc.contributor.authorHan, Ji Min-
dc.contributor.authorKung, Chung Wei-
dc.contributor.authorGong, Xirui-
dc.contributor.authorGuo, Qing Hui-
dc.contributor.authorChen, Hongliang-
dc.contributor.authorSue, Andrew C.H.-
dc.contributor.authorBotros, Youssry Y.-
dc.contributor.authorFacchetti, Antonio-
dc.contributor.authorFarha, Omar K.-
dc.contributor.authorMarks, Tobin J.-
dc.contributor.authorStoddart, J. Fraser-
dc.date.accessioned2023-10-06T05:18:34Z-
dc.date.available2023-10-06T05:18:34Z-
dc.date.issued2018-
dc.identifier.citationJournal of the American Chemical Society, 2018, v. 140, n. 36, p. 11402-11407-
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10722/333337-
dc.description.abstractA class of metal-organic frameworks (MOFs) - namely CD-MOFs - obtained from natural products has been grown in an epitaxial fashion as films on the surfaces of glass substrates, which are modified with self-assembled monolayers (SAMs) of γ-cyclodextrin (γ-CD) molecules. The SAMs are created by host-guest complexation of γ-CD molecules with surface-functionalized pyrene units. The CD-MOF films have continuous polycrystalline morphology with a structurally out-of-plane (c-axial) orientation, covering an area of several square millimeters, with a thickness of ∼2 μm. Furthermore, this versatile host-guest strategy has been applied successfully in the growth of CD-MOFs as the shell on the curved surface of microparticles as well as in the integration of CD-MOF films into electrochemical devices for sensing carbon dioxide. In striking contrast to the control devices prepared from CD-MOF crystalline powders, these CD-MOF film-based devices display an enhancement in proton conductance of up to 300-fold. In addition, the CD-MOF film-based device exhibits more rapid and highly reversible CO2-sensing cycles under ambient conditions, with a 50-fold decrease in conductivity upon exposure to CO2 for 3 s which is recovered within 10 s upon re-exposure to air.-
dc.languageeng-
dc.relation.ispartofJournal of the American Chemical Society-
dc.titleEpitaxial Growth of γ-Cyclodextrin-Containing Metal-Organic Frameworks Based on a Host-Guest Strategy-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jacs.8b06609-
dc.identifier.pmid30092139-
dc.identifier.scopuseid_2-s2.0-85052404982-
dc.identifier.volume140-
dc.identifier.issue36-
dc.identifier.spage11402-
dc.identifier.epage11407-
dc.identifier.eissn1520-5126-
dc.identifier.isiWOS:000444793400039-

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