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Ordered Honeycomb Microporous Films from Self-Assembly of Alkylated Guanosine Derivatives

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Ordered Honeycomb Microporous Films from Self-Assembly of Alkylated Guanosine Derivatives.htm (392bytes)
Date
2011-02-17
Author
Gao, Yu-Feng
Huang, Yan-Jun
Xu, Su-Ying
Ouyang, Wen-Juan
Jiang, Yun-Bao
江云宝
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  • 化学化工-已发表论文 [14469]
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Abstract
Ordered honeycomb microporous films have previously been fabricated from polymeric macromolecules. We report here the successful fabrication of them from the supramolecular self-assembly of small molecules, alkylated guanosine derivatives. The ribbonlike self-assembly of the guanosines in CHCl(3) is found to be the intrinsic structure that forms regular microporous structure via Benard-Maragoni convection. Factors such as substrate, solvents, guanosine concentration, and solvent evaporation temperature are revealed to be able to control the size of the formed micropores, which in turn allows for the wettability of the honeycomb film surface to be modulated. These microporous materials exhibit excellent ability of loading organic dyes that eventually leads to the fabrication of luminescent honeycomb films. As structures of both the small molecules that can assemble and their self-assemblies can be varied and controlled, extended applications of this supramolecular method are expected to lead to microporous films of interesting functions.
Citation
Langmuir, 2011, 27 (6): 2958–2964
URI
http://dx.doi.org/doi:10.1021/la1043969
WOS:000288039500117
https://dspace.xmu.edu.cn/handle/2288/11740

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