Gel Chemistry pp 191-208 | Cite as

Inorganic Gels

Chapter
Part of the Lecture Notes in Chemistry book series (LNC, volume 96)

Abstract

This chapter focuses on the discussion of various inorganic gels including the formation mechanism, molecular systems and functional properties. The inorganic gels include silica-based gels, chalcogels and others. In the first section of the chapter, the concept of sol–gel process, which is a commonly used principle to explain the formation of inorganic gels, is introduced. In the following sections, three catalogues of inorganic gels are discussed in detail. For silica-based gels, the nanoparticles of silica derivatives are used as silica sources. The growth mechanism of silica gels from the nanoparticles and the key factors to determine the formation process are reviewed. Several representative silica gel systems are presented to show the versatility of the materials. In the following section, chalcogels are discussed and discussions focus on the preparation methods and catalytic performance of chalcogels. At last, a brief description about other gels including AgVO3 and V2O5 gels is given.

Keywords

Inorganic gels Sol–gel process Silica-based gels Chalcogels 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringSun Yat-sen UniversityGuangzhouChina
  2. 2.School of Materials Science and EngineeringSun Yat-sen UniversityGuangzhouChina
  3. 3.School of Chemistry and Chemical EngineeringSun Yat-sen UniversityGuangzhouChina

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