Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5930 - 5930
Published: Dec. 16, 2024
A
highly
versatile
Z-scheme
heterostructure,
Ho2SmSbO7/YbDyBiNbO7
(HYO),
was
synthesized
using
an
ultrasonic-assisted
solvent
thermal
method.
The
HYO
heterojunction,
composed
of
dual
A2B2O7
compounds,
exhibits
superior
separation
photogenerated
carriers
due
to
its
efficient
mechanism.
synergistic
properties
Ho2SmSbO7
and
YbDyBiNbO7,
particularly
the
excellent
visible
light
absorption,
enable
achieve
exceptional
photocatalytic
performance
in
degradation
fenitrothion
(FNT).
Specifically,
demonstrated
outstanding
removal
efficiency
99.83%
for
FNT
a
mineralization
rate
98.77%
total
organic
carbon
(TOC)
during
process.
Comparative
analyses
revealed
that
significantly
outperformed
other
photocatalysts,
including
Ho2SmSbO7,
N-doped
TiO2,
achieving
rates
were
1.10,
1.20,
2.97
times
higher
FNT,
respectively.
For
TOC
mineralization,
exhibited
even
greater
enhancements,
with
1.13,
1.26,
3.37
than
those
aforementioned
catalysts.
Additionally,
stability
durability
systematically
evaluated,
confirming
potential
applicability
practical
scenarios.
Trapping
experiments
electron
paramagnetic
resonance
conducted
identify
active
species
generated
by
HYO,
specifically
hydroxyl
radicals
(•OH),
superoxide
anions
(•O2−),
holes
(h+).
This
facilitated
comprehensive
understanding
mechanisms
pathways
associated
FNT.
In
conclusion,
this
study
represents
substantial
contribution
advancement
heterostructure
offers
critical
insights
development
sustainable
remediation
approaches
aimed
at
mitigating
contamination.
