We
synthesized
TiO2-NRAs/BiOI-NFs/Au-NPs
Z-scheme
nanoheterostructures
using
an
accessible
preparation
method.
The
exhibited
enhanced
photoelectrocatalytic
(PEC)
performance
compared
to
other
binary
nanoheterostructures.
improved
was
attributed
the
synergistic
effect
between
charge
separation
and
injection
efficiency.
A
interfacial
migration
mechanism
involving
plasmon-induced
hot
electron
oxygen
vacancies
defects
proposed.
triple
nanohybrids
showed
a
higher
photodegradation
rate
excellent
PEC
biosensing
capabilities
for
detecting
glutathione.
These
findings
provide
insights
into
transfer
in
demonstrate
their
performances,
inspiring
design
of
high-efficiency
non-toxic
heterostructures
various
applications.
Advanced Powder Materials,
Journal Year:
2024,
Volume and Issue:
3(4), P. 100201 - 100201
Published: April 9, 2024
Sunlight-driven
photocatalysis,
which
can
produce
clean
fuels
and
mitigate
pollutant
degradation,
has
received
extensive
research
attention
due
to
its
potential
for
addressing
both
energy
shortages
environmental
crises.
Bismuth
(Bi)-based
photocatalysts
with
broad
spectrum
solar-light
absorption
tunable
structures,
exhibit
promising
applications
in
solar-driven
photocatalysis.
Oxygen
vacancy
(OV)
engineering
is
a
widely
recognized
strategy
that
shows
great
accelerating
charge
separation
small
molecule
activation.
Based
on
OV
engineering,
this
review
focuses
Bi-based
provides
comprehensive
overview
including
synthetic
methods,
regulation
strategies,
photocatalytic
field.
The
methods
of
OVs
(BPOVs)
are
classified
into
hydrothermal,
solvothermal,
UV
light
reduction,
calcination,
chemical
etching,
mechanical
based
different
reaction
types,
provide
the
possibility
structural
BPOVs,
dimensional
regulation,
creation,
elemental
doping,
heterojunction
fabrication.
Furthermore,
also
highlights
CO2
N2
fixation,
H2
generation,
O2
evolution,
cancer
therapy,
bacteria
inactivation.
Finally,
conclusion
prospects
toward
future
development
BPOVs
presented.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
482, P. 149090 - 149090
Published: Jan. 26, 2024
In
this
research,
an
enhanced
visible
light
response
of
oxygen
and
phosphorus-doped
porous
g-C3N4
(HAPA-CN)
was
prepared
by
thermo-polymerization
urea,
hydroxyacetic
acid
phytic
acid.
Its
internal
structure
verified
solid-state
nuclear
magnetism
(NMR)
secondary
ion
mass
spectrometry
(SIMS).
The
surface
electron
density
on
HAPA-CN
the
inclusion
phosphorus.
boosted
photocatalytic
activity
attributed
to
high
spectral
utilization
sunlight
meliorated
charge
separation
efficiency.
experimental
results
showed
that
0.05
HAPA-CN/persulfate
(PS)
system
exhibited
a
higher
efficiency
in
photodegradation
process
bisphenol
A
(BPA)
2-mercaptobenzothiazole
(MBT).
Compared
with
ordinary
g-C3N4,
integration
photocatalysis
persulfate
oxidation
led
increase
removal
BPA
MBT
pollutants,
which
increased
68.11
11.18
times,
respectively.
also
certain
under
long-wavelength
irradiation
such
as
blue,
green,
red
light.
conversion
sodium
lignosulfonate
(SL),
HAPA-CN/PS
achieved
maximum
yield
134.34
mg/gSL
vanillic
at
30
min,
significantly
better
than
g-C3N4.
Synergistic
gas
production
(H2,
CO,
CH4,
C2H4,
C2H6)
enhanced.
Combined
theoretical
calculations,
mechanism
analyzed.
This
work
provides
new
insights
for
exploring
photocatalyst
combine
structure,
phosphorus
co-doping
PS
activation
technology
organic
pollutants
lignin
valorization.
Materials,
Journal Year:
2024,
Volume and Issue:
17(4), P. 957 - 957
Published: Feb. 19, 2024
In
the
present
work,
photodegradation
of
Rhodamine
B
with
different
pH
values
by
using
Bi2O3
microrods
under
visible-light
irradiation
was
studied
in
terms
dye
degradation
efficiency,
active
species,
mechanism,
and
pathway.
X-ray
diffractometry,
polarized
optical
microscopy,
scanning
electron
fluorescence
spectrophotometry,
diffuse
reflectance
spectra,
Brunauer–Emmett–Teller,
photoelectron
spectroscopy,
Fourier-transform
infrared
UV–visible
total
organic
carbon,
liquid
chromatography–mass
spectroscopy
analysis
techniques
were
used
to
analyze
crystal
structure,
morphology,
surface
structures,
band
gap
values,
catalytic
performance,
mechanistic
The
photoluminescence
spectra
spectrum
(the
are
2.79
eV)
reveals
that
absorption
extended
visible
region,
which
resulted
a
high
separation
low
recombination
rate
electron–hole
pairs.
results
clearly
indicated
had
removal
efficiencies
about
97.2%,
90.6%,
50.2%
within
120
min
at
3.0,
5.0,
7.0,
respectively.
addition,
mineralization
RhB
evaluated
measuring
effect
on
chemical
oxygen
demand
carbon
value
3.0.
At
same
time,
quenching
experiments
carried
out
understand
core
reaction
species
involved
solution
values.
diffractometer
pre-
post-Bi2O3
showed
BiOCl
formed
Bi2O3,
BiOCl/Bi2O3
heterojunction
after
acid
photocatalytic
degradation.
Furthermore,
substances
possible
mechanism
over
analyzed
based
radical
capture,
analysis,
spectroscopy.
intermediates
photocatalyst
light
also
identified
assistance
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(12), P. 5869 - 5880
Published: Jan. 1, 2023
The
exploration
of
advanced
photocatalysts
for
antibiotic
degradation
is
critical,
but
it
remains
a
challenge
due
to
the
lack
rational
structural
design
and
in-depth
insights
into
molecular
oxygen
activation.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(5), P. 5156 - 5168
Published: Feb. 21, 2024
Constructing
heterojunctions
is
an
effective
strategy
for
increasing
semiconductor
photocatalytic
activity.
Herein,
a
Bi2O3/Bi4O5Br2
type-II
heterojunction
was
synthesized
using
simple
one-pot
solvothermal
route.
The
0-dimensional
(0D)
Bi2O3
nanoparticles
are
uniformly
distributed
within
the
2D
Bi4O5Br2
nanosheets
with
(101̅)
facets
dominantly
exposed.
In
comparison
pure
and
Bi4O5Br2,
they
show
higher
activity
degradation
of
resorcinol
(RO)
Rhodamine
B
(RhB).
composite
containing
10%
(BOB4)
displays
best
For
instance,
compared
Bi2O3,
k(RO)
values
BOB4
(0.58
h–1)
3.1
4.8
times
higher.
enhanced
attributed
to
formation
large
interface
that
results
from
homogeneous
distribution
in
nanosheet,
which
effectively
enhances
photogenerated
charge
separation
mode.
Major
active
species
include
superoxide
radicals
(•O2–),
hydroxyl
(•OH),
holes
(h+).
addition,
photocatalysts
exhibit
outstanding
resistance
inorganic
ions,
pH,
water
matrix,
as
well
outdoor
sunlight
favorable
stability
biocompatibility.
This
work
presents
method
construct
Bi-based
architectures
photoactivity
improvement.
