期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 33, 页码 11756-11762出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201601173
关键词
organic-inorganic hybrids; photoswitchable compounds; polyoxometalates; self-assembly; spiropyranes
资金
- National Science Foundation [CHE1305756]
- University of Akron
- CNRS
- Universite de Versailles Saint-Quentin
- [ANR-11-BS07-011-01 BIOOPOM]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1305756] Funding Source: National Science Foundation
A molecular photochromic spiropyran-polyoxometalate-alkyl organic-inorganic hybrid has been synthesized and fully characterized. The reversible switching of the hydrophobic spiropyran fragment to the hydrophilic merocyanine one can be easily achieved under light irradiation at different wavelengths. This switch changes the amphiphilic feature of the hybrid, leading to a light-controlled self-assembly behavior in solution. It has been shown that the hybrid can reversibly self-assemble into vesicles in polar solvents and irreversibly into reverse vesicles in non-polar solvents. The sizes of the vesicles and the reverse vesicles are both tunable by the polarity of the solvent, with the hydrophobic interactions being the main driving force.
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