Control of micropore size in supermicroporous titania-chromia system TiO2-Cr2O3

Sol-gel hydrolysis reactions of titanium(IV) isopropoxide and chromium(III) acetate hydroxide in the presence or absence of propanol using alkylamine as template yielded microporous mixed metal oxides with pores largely in the 10-20 Å region, and surface areas that vary from 405 to 564 m2/g depending on the amine and synthesis condition.