Microporous Aluminophosphate Nanosheets and Their Nanomorphic Zeolite Analogues Tailored by Hierarchical Structure-Directing Amines

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• 作者：Yongbeom Seo ; Sungjune Lee ; Changbum Jo ; Ryong Ryoo
• 刊名：The Journal of the American Chemical Society
• 出版年：2013
• 出版时间：June 19, 2013
• 年：2013
• 卷：135
• 期：24
• 页码：8806-8809
• 全文大小：289K
• 年卷期：v.135,no.24(June 19, 2013)
• ISSN：1520-5126

文摘

Multiamines with amphiphilic structures have been synthesized to serve as simultaneous structure-directing agents in micro- and meso-structural levels for aluminophosphate materials (AlPOs) and their analogues, such as silicoaluminophosphate, cobalt aluminophosphate, and gallium phosphate. The amine molecules are assembled into a micelle with a specific morphology to function as a meso-level structure director. Individual amine groups in the micelle are able to direct the formation of microporous crystalline AlPO structure. The resultant meso-level morphologies of the AlPOs are typically nanosheets of uniform thickness, which can be tailored in the range of 2鈥? nm by the number of amine groups. Sponge-like disordered mesoporous morphologies can be generated, depending on the amine structures. Using such multiamines provides a versatile route to various phosphate materials with a structural hierarchy for enhanced porous functionalities.