Preparation method of monodisperse mesoporous silica hollow sphere material

[0033] A preparation method of a monodisperse mesoporous silica hollow sphere material, comprising:

[0034] (1) Dissolve 2.0 g of ethylenediamine in a mixed solution of 50 mL of deionized water and 100 mL of ethanol, and stir evenly to form a colorless and transparent solution. The stirring speed of the above stirring can be selected from 250-1200 rpm, and the time can be controlled at 0.1-10 h; the stirring speed selected in this embodiment is 300 rpm, and the time is 0.5 h. The stirrer used therein may be a turbine stirrer, a paddle stirrer, a magnetic stirrer, a magnetic heating stirrer, a flap stirrer, or a mechanical stirrer.

[0035] 8 mL of ethyl orthosilicate was slowly added to the clear solution to form a single-phase system.

[0036] (2) The single-phase system in step (1) was reacted in an oil bath at a temperature of 15 °C for 24 h; after the reaction, the precipitate was collected by centrifugation and washed three times with water to obtain a monodisperse mesopor

[0040] A preparation method of a monodisperse mesoporous silica hollow sphere material, comprising:

[0041] (1) Dissolve 6 g of ethylenediamine in a mixed solution of 10 mL of deionized water and 140 mL of ethanol, and stir evenly to form a colorless and transparent solution. The stirring speed of the above stirring can be selected from 250-1200 rpm, and the time can be controlled at 0.1-10 h; the stirring speed selected in this embodiment is 1000 rpm, and the time is 10 h. The stirrer used therein may be a turbine stirrer, a paddle stirrer, a magnetic stirrer, a magnetic heating stirrer, a leaf type stirrer, or a mechanical stirrer;

[0042] 3 mL of propyl orthosilicate was slowly added to the clear solution to form a single-phase system.

[0043] (2) The single-phase system in step (1) was reacted in an oil bath at a temperature of 40 °C for 24 h; after the reaction, the precipitate was collected by centrifugation and washed with water three times to obtain a monodisperse mes