Evolution of pore structure in microporous silica membranes: sol-gel procedures and strategies

Balagopal N. Nair, Klaas Keizer, Tatsuya Okubo, Shin-Ichi Nakao

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)

Abstract

Silica membranes exhibiting excellent molecular sieving capability, which would find applications in fuel‐cell electric vehicles with on‐board hydrogen generation, for example, are the aim of the sol‐gel strategies outlined here. It is shown that optimization of the sol‐gel synthesis parameters is important in order to achieve membranes with minimum defects and hence high selectivity. The preparation of the supported membranes is described and the gas permeation behavior of membranes made from different sol compositions reported.
Original languageEnglish
Pages (from-to)249-252
Number of pages4
JournalAdvanced materials
Volume3
Issue number10
DOIs
Publication statusPublished - 1998

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