Switchable Ternary Nanoporous Supramolecular Network on Photo-Regulation

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 b...

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Bibliographic Details
Published in:Nano letters 2011-08, Vol.11 (8), p.3245-3250
Main Authors: Shen, Yong-Tao, Deng, Ke, Zhang, Xue-Mei, Feng, Wei, Zeng, Qing-Dao, Wang, Chen, Gong, Jian Ru
Format: Article
Language:English
Subjects:
Applied sciences
Chemical synthesis methods
Condensed matter: structure, mechanical and thermal properties
Control
Cross-disciplinary physics: materials science
rheology
Electronics
Encapsulation
Exact sciences and technology
Holes
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Materials science
Methods of nanofabrication
Molecular electronics, nanoelectronics
Nanocrystalline materials
Nanostructure
Nanotechnology devices
Networks
Photosensitivity
Physics
Radiation effects on specific materials
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Strategy
Structure of solids and liquids
crystallography
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Switching theory
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Summary: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.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl201504x