Grain size control of mesoporous silica and formation of bimodal pore structures

Kenichi Ikari; Keisei Suzuki; Hiroaki Imai

doi:10.1021/la0483717

Grain size control of mesoporous silica and formation of bimodal pore structures

Kenichi Ikari, Keisei Suzuki, Hiroaki Imai

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Abstract

The architecture of mesoporous silica was successfully controlled by adjusting the concentrations of a cationic surfactant and ammonia. An excess amount of the surfactant suppressed the grain growth and then induced the formation of small grains with a diameter below 20 nm. Consequently, assembly of the small-sized grains produced a bimodal pore structure consisting of framework mesopores of 2-3 nm and textural mesopores ranging over 10-100 nm.

Original language	English
Pages (from-to)	11504-11508
Number of pages	5
Journal	Langmuir
Volume	20
Issue number	26
DOIs	https://doi.org/10.1021/la0483717
Publication status	Published - 2004 Dec 21

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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abstract = "The architecture of mesoporous silica was successfully controlled by adjusting the concentrations of a cationic surfactant and ammonia. An excess amount of the surfactant suppressed the grain growth and then induced the formation of small grains with a diameter below 20 nm. Consequently, assembly of the small-sized grains produced a bimodal pore structure consisting of framework mesopores of 2-3 nm and textural mesopores ranging over 10-100 nm.",

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