Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
64(1), P. 627 - 637
Published: Dec. 24, 2024
In
semiconductor
catalysts,
rational
doping
of
nonmetallic
elements
holds
significant
scientific
and
technological
importance
for
enhancing
photocatalytic
performance.
Here,
using
a
one-step
hydrothermal
technique,
we
synthesized
iodine-doped
Bi3O4Cl
composite
evaluated
the
impact
iodine
on
its
capability
organic
dye
degradation
under
visible
light
irradiation.
this
study,
demonstrate
that
introduction
iodide
ions
not
only
provides
an
ideal
built-in
electric
field
(BIEF)
but
also
induces
generation
additional
oxygen
vacancies
(OVs).
The
significantly
enhanced
BIEF,
along
with
collaborative
effect
OVs-induced
narrow
bandgap
in
Bi3O4Cl,
effectively
promotes
separation
transfer
efficiency
photogenerated
charges
while
suppressing
recombination.
Under
driving
force,
electrons
to
surface
OVs,
facilitating
activation
oxygen,
thereby
forming
highly
active
superoxide
radicals
(•O2).
Simultaneously,
vacancy
engineering
can
reduce
reaction
energy
barrier,
formation
singlet
(1O2),
which
contributes
processes.
results
indicate
light,
prepared
exhibits
6.5-fold
increase
rate
constant
rhodamine
B
demonstrates
activity
toward
methyl
orange
methylene
blue.
This
study
strong
references
optimizing
structural
design
enhance
performance
offers
profound
insights
into
synergistic
effects
BIEF
OVs
charge
mechanisms
systems.
