Synthesis and properties of porous silica obtained by the template method

Kuznetsova, T. F.; Ратько, А. И.; Еременко, С. И.

doi:10.1134/s0036024412100147

Cited by 6 publications

(1 citation statement)

References 8 publications

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“…The sol-gel process is a promising way of obtaining new materials with desired properties. It enables us to produce different inorganic materials, e.g., glass, ceramics, aerogels, films, and powdered hybrid materials with adjustable microstructure and properties [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Effect of Metal Cations on the Kinetics of Formation and Structure of Gels Formed during the Acid Hydrolysis of Tetraethoxysilane

Tarasenko

Lebedeva

Peters

et al. 2019

Russ. J. Phys. Chem.

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The hydrolysis and polycondensation of tetraethoxysilane are studied at low pH values in the presence of doping additives (cations of various metals). The period of gel formation is found via viscometry, and the activation energy is calculated. It is shown that the doping additives affect both of these parameters. A change in particle size during the hydrolytic polycondensation of tetraethoxysilane in the presence of metal cations is studied via dynamic light scattering. The structural characteristics of the gels-the radius of gyration and the fractal dimension of the surface-are found through small-angle X-ray scattering. A mechanism of particle formation-kinetically controllable aggregation of a cluster-cluster type-is proposed.

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Section: Introductionmentioning

confidence: 99%