Which silica is suitable to prepare silica-based ionic liquid and other catalyst?
Dear Ayushi
The primary applications of ILs coated on solid supports are catalysis, known as “Supported ionic liquid phase” catalysts (SILP). Therefore high specific surface area and narrow pore size distribution of solid support are desirable. MCM-41 & SBA-15 (mesoporous silica) are some of the excellent choices in this regard.
For more detail and to achieve a better understanding please refer to:
1.Porous Inorganic Materials as Potential Supports for Ionic Liquids.
https://doi.org/10.1002/9783527654789.ch3
2. Spectroscopy on Supported Ionic Liquids
Chapter Spectroscopy on Supported Ionic Liquids
I think the ionic liquids that you want to coat is more important. As the chemical linker between ionic liquids and silica is sensitive in strong base or acid sometimes, the coating ILs often choose neutral.
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