Highly efficient photocatalytic water splitting utilizing a WO3−x/ZnIn2S4 ultrathin nanosheet Z-scheme catalyst†
Yucheng
Huang 
*a
and
Yonghong
Ni
*a
*a
and
Yonghong
Ni
*a
Abstract
A highly crimped WO3−x/ZnIn2S4 flexible ultrathin nanosheet heterojunction was synthesized via a simple and easily scaled-up process for enhanced photocatalytic hydrogen evolution. Under simulated sunlight irradiation, the as-prepared WO3−x/ZnIn2S4 heterojunction exhibited highly efficient hydrogen production activity (20 957 μmol h−1 g−1) with an apparent quantum efficiency of 26.28% at 400 nm in the absence of Pt.
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