Preparation of Gold Nanocatalysts Supported on Anatase and Brookite

Preparation of Gold Nanocatalysts Supported on Anatase and Brookite 

Hydrothermal Synthesis of Brookite. Typically, NaOH solution (2M) was added to 5 mL titanium tetrachloride with stirring to adjust the pH value of the solution to 10, producing a basic colloidal solution. The solution obtained was transferred into an autoclave and heated at 200°C for 24 h. The white precipitates were separated by centrifugation and washed three times with deionized water and once with ethanol. The product was dried at 70°C in air overnight and was ground to a fine powder before the deposition of gold precursor on its surface. 

Surface Sol-Gel Modification of Fumed Silica with Ti02/Al20s orAfO / T1O2 Double Layer. The basic procedure for functionalization of Cab-O-Sil silica 

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