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Isomorphic Ti substitution into SBA-15 without Ti loss and with lower TiO2 segregation
Jae Yul Kim1, Jae Young Kim, Hyun Joon Kang
1School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST) , 50 UNIST-gil, Ulsan 689-798, Republic of Korea.
Inorganic Chemistry
|May 30, 2014
Abstract:
A convenient method has been discovered to incorporate Ti atoms isomorphically into a SBA-15 lattice without Ti loss. By hydrolysis of a Ti precursor near neutral pH instead of conventional acidic conditions, Ti loss was almost eliminated and its segregation to form TiO2 particles was suppressed while the mesoporous structure remained intact.
