Abstract
In this investigation, various proportions of Pt@BaZrO
3
(at 1∼4 wt.%) accommodating 2.0 wt% Pt were adopted to establish Pt@BaZrO
3
/g-C
3
N
4
nanocomposites of improved photocatalytic performance. H
2
PtCl
6
nanoparticles
as well as mesoporous BaZrO
3
and g-C
3
N
4
were utilized to develop the prescribed nanocomposites via sonication-mixture routine. The photocatalytic achievement for the upgraded Pt@BaZrO
3
/g-C
3
N
4
nanocomposites beneath visible light
irradiation were tested by examining ciprofloxacin (CIP) degradation. Enhanced charge transfer and retarded charges’ recombination were established amid Pt, BaZrO
3
NPs and g-C
3
N
4
nanosheets in the developed heterojunctions. The proportion (wt.%) of Pt@BaZrO
3
was found to be an essential parameter in governing the photocatalytic efficacy of the promoted Pt@BaZrO
3
/g-C
3
N
4
nanocomposites. Moreover, complete photocatalytic decomposition of CIP was established over Pt@BaZrO
3
/g-C
3
N
4
nanocomposite,
accommodating 3 wt.% Pt@BaZrO
3
NPs. Such superior performance was correlated to the great ability of the Pt@BaZrO
3
/g-C
3
N
4
to absorb visible light in addition to the prolonged charge separation amid the photo-induced charge carriers.