The utility of carbonaceous materials
for hybrid semiconductor
photocatalysts has been rapidly increasing in recent years due to
the synergetic effect via interfacial charge transfer reactions. In
this study, we prepared a novel graphdiyne–ZnO nanohybrid by
the hydrothermal method and examined its photocatalytic properties
on the degradation of two azo dyes (methylene blue and rhodamine B).
Interestingly, the graphdiyne–ZnO nanohybrids showed superior
photocatalytic properties than that of the bare ZnO nanoparticles
as evidenced by the absorption spectra and total organic carbon analyses.
Moreover, the rate constant of graphdiyne–ZnO nanohybrids is
nearly 2-fold higher compared to that of the bare ZnO nanoparticles
on the photodegradation of both azo dyes. Further, a plausible mechanism
for the enhanced photocatalytic properties of the graphdiyne–ZnO
nanohybrids has been discussed. This work on the development of graphdiyne-based
semiconductor photocatalysis can provide new insights into the design
of novel hybrid photocatalysts for potential applications in the environmental
remediation sectors.
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