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Defect-rich porous g-C3N4 nanosheets photocatalyst with enhanced photocatalytic activity
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Defect-rich porous g-C3N4 nanosheets photocatalyst with enhanced photocatalytic activity
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Journal Article
Defect-rich porous g-C3N4 nanosheets photocatalyst with enhanced photocatalytic activity
2021
Overview
In this study, an efficient porous g-C
3
N
4
nanosheet with N defect was successfully fabricated via a facile co-thermolysis method. The porous g-C
3
N
4
nanosheet showed 96% degradation efficiency towards Eosin-Y within 100 min, which was about 1.48-fold higher than that of pure bulk g-C
3
N
4
. In addition, the modified porous g-C
3
N
4
nanosheet exhibited the hydrogen evolution performance with the activity of 450 μmol with 3 h, which was 5.29-fold higher than that of pure bulk g-C
3
N
4
. The elevated photocatalytic activity was attributed to the synergism of porous nanosheet and N defect, which improved light harvesting and accelerated separation of photo-induced e
–
and h
+
, greatly assisting in organic pollutants removal and hydrogen evolution. Furthermore, trapping experiments demonstrated that the holes and superoxide radicals were the main active species in the photocatalytic degradation of Eosin-Y solution.
Publisher
Springer US,Springer Nature B.V
