Synthesis of mesoporous Stöber silica nanoparticles: the effect of secondary and tertiary alkanolamines
Source abstract
Abstract
The effect of secondary (diethanolamine) and tertiary (triethanolamine) alkanolamines as catalysts on the formation of mesoporous Stober silica nanoparticles by sol–gel method was studied. The particles were characterized by thermogravimetry and differential thermal analysis, Fourier transform infrared spectroscopy, N2 physisorption measurements, and field emission scanning electron microscopy. By using ammonia and different alkanolamines as catalysts, the Brunauer–Emmet–Teller (BET) surface area and pore volume increased in the order of ammonia diethanolamine > triethanolamine. The role of different alkanolamines on the textural properties and particle size of silica is explained in terms of their relative steric hindrance and basicity.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mesoporous Materials and Catalysis · Catalytic Processes in Materials Science · Zeolite Catalysis and Synthesis
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