| Fluorescence and Morphology Modulation in a Photochromic Diarylethene Self-Assembly System. | |
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MedLine Citation:
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PMID: 21438565 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Switchable supramolecular self-assemblies on the basis of interaction between melamine group containing photochromic diarylethene unit (DTE) and naphthalimide derivate (1) were designed and fabricated. 1 can gelate several aprotic solvents with different morphologies. The gel turned into partial gel in ethyl acetate with the addition of DTE as a guest molecule. Both the absorption and fluorescence spectra of the assembly can be reversibly switched by alternating UV/visible light irradiation. Meanwhile, the morphology of the coassembly of 1(2)·DTE changed to film from original pieces of gel 1 in ethyl acetate. When 1(2)·DTE was irradiated by UV light, the film morphology was converted into aggregated flakes. Moreover, the surface wettability of the complex can also be switched by light irradiation. The photochromic diarylethene unit is able to modulate the fluorescence and morphology of the assembled system only by virtue of light irradiation. Therefore, these results provide further insights into fluorescence and morphology controlling, especially application in upscale smart responsive materials. |
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Authors:
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Xinhua Cao; Jing Zhou; Ying Zou; Mingming Zhang; Xudong Yu; Song Zhang; Tao Yi; Chunhui Huang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-25 |
Journal Detail:
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Title: Langmuir : the ACS journal of surfaces and colloids Volume: - ISSN: 1520-5827 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882736 Medline TA: Langmuir Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Chemistry, Fudan University , Shanghai, 200433, P. R. China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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