Issue 45, 2015

Optimisation of a sol–gel synthesis route for the preparation of MgF2 particles for a large scale coating process

Abstract

A synthesis route for the preparation of optically transparent magnesium fluoride sols using magnesium acetate tetrahydrate as precursor is described. The obtained magnesium fluoride sols are stable for several months and can be applied for antireflective coatings on glass substrates. Reaction parameters in the course of sol synthesis are described in detail. Thus, properties of the precursor materials play a crucial role in the formation of the desired magnesium fluoride nanoparticles, this is drying the precursor has to be performed under defined mild conditions, re-solvation of the dried precursor has to be avoided and addition of water to the final sol-system has to be controlled strictly. Important properties of the magnesium fluoride sols like viscosity, particle size distribution, and structural information are presented as well.

Graphical abstract: Optimisation of a sol–gel synthesis route for the preparation of MgF2 particles for a large scale coating process

  • This article is part of the themed collection: Fluorine

Article information

Article type
Paper
Submitted
09 jun 2015
Accepted
17 sep 2015
First published
24 sep 2015
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2015,44, 19501-19508

Author version available

Optimisation of a sol–gel synthesis route for the preparation of MgF2 particles for a large scale coating process

K. Scheurell, J. Noack, R. König, J. Hegmann, R. Jahn, Th. Hofmann, P. Löbmann, B. Lintner, P. Garcia-Juan, J. Eicher and E. Kemnitz, Dalton Trans., 2015, 44, 19501 DOI: 10.1039/C5DT02196K

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