Analysis of the promoted activity and molecular mechanism of hydrogen production over fine Au-Pt alloyed TiO2 photocatalysts

2-3 nm fine metal nanoparticles

2-3 nm fine metal nanoparticles (Au, Pt and alloyed Au-Pt) with a narrow size distribution were deposited on active TiO2 through a facile chemical reduction method. Compared to the bare TiO2, a remarkable enhancement of up to 10-fold for photocatalytic hydrogen evolution was achieved on the alloyed nanocomposites.

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