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【Nanotechnology, 2008, 19, 315602.】The formation of helical mesoporous silica nanotubes
作者:Xiaobing Wan, Xianfeng Pei, Huanyu Zhao, Yuanli Chen, Yongmin Guo, Baozong Li, Kenji Hanabusa, and Yonggang Yang
關鍵字:helical mesoporous silica
論文來源:期刊
具體來源:Nanotechnology
發表時間:2008年

Xiaobing Wan, Xianfeng Pei, Huanyu Zhao, Yuanli Chen, Yongmin Guo, Baozong Li, Kenji Hanabusa, and Yonggang Yang 

 Nanotechnology, 2008, 19, 315602.

Abstract:
Three chiral cationic gelators were synthesized. They can form translucent hydrogels in pure water. These hydrogels become highly viscous liquids under strong stirring. Mesoporous silica nanotubes with coiled pore channels in the walls were prepared using the self-assemblies of these gelators as templates. The mechanism of the formation of this hierarchical nanostructure was studied using transmission electron microscopy at different reaction times. The results indicated that there are some interactions between the silica source and the gelator. The morphologies of the self-assemblies of gelators changed gradually during the sol–gel transcription process. It seems that the silica source directed the organic self-assemblies into helical nanostructures.

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