Abstract
A novel net-like silica material with double mesoporous structure had been synthesised by one-pot hydrothermal synthesis method. In the synthesis process, pluronic copolymer P123 (EO20PO70EO20) and non-ionic surfactant OP-10 were used as templates and potassium fluoride (KF) was chosen as the additive. A study was carried out by small-angle X-ray scattering, scanning electron microscopy and transmission electron microscopy for the physical properties of the resultant products. It was found that the net-like silica materials exhibited a unique three-dimensional morphology with the addition of KF and preserved mesoporous structure. Moreover, the samples had double mesopores of 3.6 and 6.5 nm by the result of the nitrogen adsorption isotherm.
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