Use of a sacrificial layer for an efficient EISA synthesis of mesoporous carbon

Benjamin E. Wilson, Stephen G. Rudisill, Andreas Stein

Research output: Contribution to journalArticle

2 Scopus citations


Evaporation-induced self-assembly (EISA) is widely used as a method to produce uniform, mesoporous structures. However, it is both time-consuming and produces relatively low yields due to the need for a large substrate area to obtain optimal results. Herein we report the use of sucrose or KCl as sacrificial layers in the synthesis of mesoporous carbon through EISA. Even though this procedure introduces an additional synthesis step, it increases the obtained yield of carbon up to twofold, eliminates the need for tedious mechanical removal of the film from the substrate, significantly cuts down on the active processing time, and makes it easier to obtain extended self-supporting films compared to conventional methods. The carbon products were studied using gas sorption, small-angle X-ray scattering, and transmission electron microscopy, and no significant differences were observed for products grown on either sacrificial layer compared to a product grown directly on glass substrates.

Original languageEnglish (US)
Pages (from-to)174-179
Number of pages6
JournalMicroporous and Mesoporous Materials
StatePublished - Oct 2014


  • EISA
  • Mesoporous carbon
  • Sacrificial layer
  • Thin film

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