Better Catalysis with Organically Modified Sol-Gel Materials

David Avnir*, Jochanan Blum, Zackaria Nairoukh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

6 Scopus citations

Abstract

Sol-gel materials have a number of properties that make them ideal for supporting heterogeneous catalysis. This chapter focuses on the use of organic molecules to affect the catalytic properties of sol-gel materials (e.g., tailoring-specific porosity); on the use of organically modified precursors; on the entrapment of organometallic catalysts; and briefly on the entrapment of enzymes and catalytic antibodies. All of these utilize the special property of sol-gel materials, namely, that they are prepared at convenient temperatures. The chapter brings an example of how the stereochemistry of a catalytic reaction was controlled by sol-gel imprinting with the desired stereoisomer. It mentions the enantioselective reduction of itaconic acid by a number of entrapped chiral organometallic catalysts. The chapter also discusses industrial success stories of sol-gel-based catalysis.

Original languageAmerican English
Title of host publicationCharacterization and Properties of Sol-Gel Materials
PublisherWiley-Blackwell
Pages963-986
Number of pages24
Volume2-3
ISBN (Electronic)9783527670819
ISBN (Print)9783527334865
DOIs
StatePublished - 14 Sep 2015

Bibliographical note

Publisher Copyright:
© 2015 Wiley-VCH Verlag GmbH & Co. KGaA.

Keywords

  • Biocatalysis
  • Catalytic properties
  • Enantioselective catalysis
  • Heterogeneous catalysis
  • Organic homogeneous catalysts
  • Organically modified sol-gel materials
  • Organometallic catalysts
  • Photocatalysis
  • Porosity effects

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