Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 23, Pages 5842-5846Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201310211
Keywords
azo compounds; host-guest systems; metal-organic polyhedra; optically responsive materials; stimuli-responsive solubility
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Funding
- Center for Gas Separations Relevant to Clean Energy Technologies, an Energy Frontier Research Center
- US Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences [DE-SC0001015]
- US DOE [DE-AR000073, DE-FC36-07GO17033]
- National Science Foundation [NSF CBET-0930079]
- Welch Foundation [A-1725]
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Stimuli-responsive metal-organic polyhedra (srMOPs) functionalized with azobenzene showed UV-irradiation-induced isomerization from the insoluble trans-srMOP to the soluble cis-srMOP, whereas irradiation with blue light reversed this process. Guest molecules were trapped and released upon cis-to-trans and trans-to-cis isomerization of the srMOPs, respectively. This study provides a new direction in the ever-diversifying field of MOPs, while laying the groundwork for a new class of optically responsive materials.
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