Evidence for the importance of a cationic charge in the formation of hollow fiber silica from an organic gel system

Yoshiyuki Ono; Yasumasa Kanekiyo; Kazuhiko Inoue; Junichi Hojo; Seiji Shinkai

doi:10.1246/cl.1999.23

Evidence for the importance of a cationic charge in the formation of hollow fiber silica from an organic gel system

Yoshiyuki Ono, Yasumasa Kanekiyo, Kazuhiko Inoue, Junichi Hojo, Seiji Shinkai

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

38 Citations (Scopus)

Abstract

To obtain an insight into the mechanism for the construction of novel hollow fiber silica ("macaroni silica"), sol-gel polymerization of tetraethoxysilane was carried out in the organic gels prepared in the presence of a benzo-18-crown-6-containing cholesterol gelator. Hollow fiber silica was obtained only in the presence of the high concentration of KClO⁴. The findings support the view that the cationic charge plays a role indispensable to the construction of the tubular structure.

Original language	English
Pages (from-to)	23-24
Number of pages	2
Journal	Chemistry Letters
Issue number	1
DOIs	https://doi.org/10.1246/cl.1999.23
Publication status	Published - Jan 1 1999
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)

Access to Document

10.1246/cl.1999.23

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AU - Kanekiyo, Yasumasa

AU - Inoue, Kazuhiko

AU - Hojo, Junichi

AU - Shinkai, Seiji

PY - 1999/1/1

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AB - To obtain an insight into the mechanism for the construction of novel hollow fiber silica ("macaroni silica"), sol-gel polymerization of tetraethoxysilane was carried out in the organic gels prepared in the presence of a benzo-18-crown-6-containing cholesterol gelator. Hollow fiber silica was obtained only in the presence of the high concentration of KClO4. The findings support the view that the cationic charge plays a role indispensable to the construction of the tubular structure.

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