Integrative Sol–Gel Chemistry

Depardieu, Martin; Kinadjian, Natacha; Portehault, David; Backov, Rénal; Sánchez, Clément

doi:10.1002/9783527670819.ch03

Cited by 1 publication

(1 citation statement)

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“…After drying, sintering is a second stage in which molecules again interlink themselves, this time using high temperatures. Three kinds of sintering can occur: dry sintering, where solid particles are joined together; liquid phase sintering, where solid particles are mixed with a small amount of a liquid phase; and reactive sintering, where solid particles of one or more kind(s) react with each other [88]. Densification of the material obeys a process of contraction; the particles diffuse, forming a mass and sometimes reducing the size of the pores but increasing the size of the grains [89].…”

Section: Sintering or Densification And Consolidation Of The Materialsmentioning

confidence: 99%

Sol–Gel Ceramics for SEIRAS and SERS Substrates

Garibay-Alvarado

Reyes-López

2021

Crystals

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Surface Enhanced Infrared Absorption Spectroscopy and Surface Enhanced Raman Spectroscopy are analytic techniques that have not been massively adopted since there are issues that still need to be solved with regard to the nature of the signal enhancement substrates used. The sol–gel method for the obtention of ceramics provides an alternative for the production of said substrates. Ceramics are very wear- and heat-resistant, properties that can be used for their regeneration, and through the sol–gel method, ceramics can be produced with high purity as well as can be fashioned in many ways through different techniques, which can be helpful in the pursuit of reproducibility. This paper discusses the different advantages of sol–gel ceramics, their use in the electrospinning technique, and their application in infrared and Raman surface-enhanced spectroscopy.

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Section: Sintering or Densification And Consolidation Of The Materialsmentioning

confidence: 99%