Beilstein J. Nanotechnol.2014,5, 696–710, doi:10.3762/bjnano.5.82
identical measurement conditions [101]. The reduced graphene oxide (RGO) can act as a photosensitizer similar to organic dyes in the ZnS–RGO nanocomposites, which subsequently leads to efficient visible-light driven photoactivity for both the aerobic selective oxidation of alcohols and the epoxidation of
alkenes under ambient conditions [102]. The similar photosensitization of graphene was also demonstrated in a ZnWO4/graphene hybrid photocatalysts for the degradation of methylene blue [103], a RGO–ZnO heterojunction for the photoelectrochemical H2 production [104], and GO–TiO2 for the photochemical water
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Figure 1:
Schematic steps for the photocatalytic reactions occuring on the surface of a semiconductor. Adapte...
Beilstein J. Nanotechnol.2013,4, 949–955, doi:10.3762/bjnano.4.107
] or RGO [23] into ZnIn2S4 nanostructures, the photocatalytic performance for hydrogen evolution over ZnIn2S4 have been enhanced to a certain degree.
Studies on semiconductor-based photocatalysts revealed that the deposition of a suitable co-catalyst on the semiconductor photocatalysts can play
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Figure 1:
XRD patterns of (a) pure ZnIn2S4; (b) 0.5 wt % NiS/ZnIn2S4.