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Titanosilicate molecular sieves,exemplified by TS-1 and Ti-MCM-41,are known as efficient catalysts for the selective oxidation of a variety range of hydrocarbons using H2O2.To date,tremendous effort has been made to improve their catalytic activities;for example,controlling crystal architecture,changing electric charge density of the surface as well as direct/post-synthetic silylation of their surfaces using organo-/fluoro-silanes.