An inexpensive route to prepare mesoporous hollow silica microspheres using W/O ethanol/edible soybean oil macroemulsion as the template

摘要: Abstract Mesoporous hollow silica microspheres were prepared by using W/O emulsion consisting of ethanol droplets as a template in edible soybean oil. Ethanol containing ammonia solution generated employing ultrasonication pure The colloidally stabilized means cationic surfactant, cetyltrimethylammonium bromide (CTAB). Later on, another proportion oil dissolving tetraethyl orthosilicate (TEOS) was added to the emulsion. sol–gel reaction TEOS achieved only at interface droplets, resulting microspheres. After washing resultant with acetone, mesoporous simply obtained. Throughout this liquid template-based process, can be inexpensively synthesized without solid templates.