Synergetic effect of Cu–Pt bimetallic cocatalyst on SrTiO3 for efficient photocatalytic hydrogen production from water

Abstract

Herein, a series of novel SrTiO₃ (STO) based photocatalysts loaded with Cu–Pt bimetallic co-catalysts have been synthesized through a simple photodeposition process. This photocatalyst of STO/Cu–Pt displayed enhanced photocatalytic activity for hydrogen generation from water in the presence of methanol as a sacrificial reagent. Moreover, the hydrogen generation efficiency over the STO/Cu95–Pt5 photocatalyst was about 2.79 and 1.76 times of STO/Cu100–Pt0 and STO/Cu0–Pt100, respectively. Thus, this Cu–Pt synergetic cocatalyst presents an inexpensive and high efficiency cocatalyst to achieve efficient hydrogen evolution from water.