Journal
NANO LETTERS
Volume 11, Issue 8, Pages 3245-3250Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl201504x
Keywords
Photoregulation; macrocycle molecules; supramolecular network; azobenzene
Categories
Funding
- National Basic Research Programs of China [2007CB936503, 2009CB930100, 2011CB932303, 2011CB933401]
- National Natural Science Foundations of China [20911130229, 20973043, 21073048, 20933008, 21005023]
- Key Laboratory of Optoelectronic Materials Chemistry and Physics, Chinese Academy of Sciences [2010KL0010]
- Special Presidential Foundation of Chinese Academy of Sciences
- K. C. Wong Education Foundation, Hong Kong
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Controlled regulation of the switchable behavior of the supramolecular network is central to the potential application in the molecular scale nanodevices. In this work, it is reported that the reversible accommodation of the guest molecules in the nanoporous supramolecular network can be regulated by the UV/visible light. The nanoporous complex template of TCDB/4NN-Macrocycle(trans,trans,trans,trans) with photosensitive units is well-defined. After the UV irradiation, the template can be switched on to encapsulate coronene molecules due to the formation of a new photoisomer(trans,cis,trans,cis) and switched off to expel coronene from the inner cavities under the visible light. The photoregulated switchable multicomponent supramolecular guest-host network provides a novel strategy for fabricating the functional nanodevices at the molecular scale.
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