Direct- and post- hydrothermal treatments in ammoniated solution for the morphogenesis of mesoporous silica nanotubes

Zhong Yong Yuan, Bao Lian Su, Wuzong Zhou

Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

Résumé

The surface patterning of mesoporous silica nanotubes was observed in the mesoporous materials hydrothermally synthesized under mild-alkaline conditions in the presence of cetylpyridinium surfactants. Direct hydrothermal synthesis in an ammoniated solution or posthydrothermal treatment of room-temperature- synthesized materials were performed alternatively. The formation mechanisms were investigated. It is revealed that the roles of ammonia during direct-or post-hydrothermal treatment are different.

langue originaleAnglais
Pages (de - à)181-184
Nombre de pages4
journalStudies in surface science and catalysis
Volume146
Les DOIs
Etat de la publicationPublié - 1 janv. 2003

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