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Updated: Dec 19, 2025
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Template Synthesis of Well-Defined Rutile Nanoparticles by Solid-State Reaction at Room Temperature
Kasimanat Vibulyaseak1, Akihiko Kudo2, Makoto Ogawa1
1School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1, Payupnai, Wangchan, Rayong 21210, Thailand.
Abstract:
Well-defined nanoparticles of rutile (with the size of 5 nm) were successfully prepared by the unusual solid-state transformation of an amorphous precursor in well-defined nanospace of a mesoporous silica template (SBA-15) at room temperature. An aqueous colloidal suspension of the rutile nanoparticles was successfully obtained by dissolution of SBA-15 and subsequent pH adjustment. The isolated rutile nanoparticles were used for H2 evolution from an aqueous methanol solution by UV irradiation.
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