An
indium
and
iron
co-doped
unique
bead-like
monoclinic
bismuth
vanadate
(BiVO4)
was
first
prepared
through
electrospinning,
high-temperature
calcination,
low-temperature
oil
bath
technology.
Then
it
characterized
by
a
series
of
tests.
Compared
with
the
pure
BiVO4,
0.2:1:20
(mole
rate)
In/Fe
BiVO4
exhibits
relatively
superior
degradation
performance
under
visible
light,
as
could
degrade
82%
tetracycline
hydrochloride
within
2
hours.
It
also
has
good
cycling
stability,
decreased
4%
after
5
cycles.
The
improvement
photocatalytic
might
lie
in
broadening
light
absorption
range,
growth
photocurrent
response
carrier
lifetime.
density
functional
theory
calculations
provide
support
that
metal
doping
enables
bandgap
energy
reduction.
generates
new
hybridization
level
near
Fermi
level,
providing
novel
channel
for
photo-generated
electron
migration
effectively
suppressing
recombination
charge
carriers.
injects
vitality
into
conduction
band
reduces
its
position,
promoting
transition
efficiency
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(9), С. 3827 - 3836
Опубликована: Фев. 27, 2024
Photocatalytic
oxygen
reduction
reaction
(ORR)
through
a
two-electron
pathway
is
green,
sustainable
route
for
hydrogen
peroxide
(H2O2)
production.
An
outstanding
visible-light-driven
photocatalyst
ZnIn2S4
(ZIS)
with
anchoring
nickel
metal
dots
(Ni0)
less
than
one
nanometer,
namely,
Ni/ZIS,
has
been
successfully
synthesized
H2O2
production
followed
by
effective
degradation
of
sulfamethoxazole
(SMX).
As
compared
the
pristine,
Ni/ZIS
capacity
exhibit
5
times
yield
>40.9
μmol/L
in
presence
visible
light
illumination
(λ
=
420–630
nm).
The
absorption
capacity,
photogenerated
electron
transfer
rate,
and
lower
recombination
rate
photoelectron/hole
pairs
were
improved
Ni
dots,
which
was
demonstrated
this
study.
Under
condition
irradiation
1
h,
1.5
mg/L
SMX
10
mg
1.0
wt
%
degraded
over
93%.
This
study
presents
facile
strategy
enhancing
photocatalysis
chalcogenide
on
visible-light
wavelength.
It
potential
water
purification
consuming
on-site
under
solar
illumination.
