The standard method is by hydrolysis of TEOS, but you can use some additional parameters depending on the morphology of silica you're looking for. The polarity and pH of the hydrolysis solution can be adjusted according to the end product that you are going for. Acid/base catalysis, using porogens, etc. can also be used as needed. doi.org/10.1155/2012/132424 This is a good starting reference
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Sir , could tell me that how to prepare nano silica , and what method should I follow.
The standard method is by hydrolysis of TEOS, but you can use some additional parameters depending on the morphology of silica you're looking for. The polarity and pH of the hydrolysis solution can be adjusted according to the end product that you are going for. Acid/base catalysis, using porogens, etc. can also be used as needed.
doi.org/10.1155/2012/132424
This is a good starting reference
Nano