Composite
material
(PGPI)
of
polyimide
(PI)
modified
by
C.I.
Pigment
Green
8
(PG8)
were
prepared
solid-phase
thermal
polycondensation,
impregnation
and
treatment.
The
introduction
PG8
enhanced
the
π-π
stacked
crystalline
structure
visible
light
absorption
PI.
photo-Fenton
synergistic
system
can
effectively
increase
decomposition
efficiency
H2O2,
accelerate
Fe2+/Fe3+
cycling
reduce
recombination
photogenerated
carriers.
oxidative
removal
TH
(Tetracycline
hydrochloride,
50
ppm)
PGPI
after
40
min
under
visible-light
irradiation
was
95.1%,
which
significantly
better
than
that
photocatalysis
alone
(40.7%)
Fenton
reaction
(55.0%).
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(4), P. 4581 - 4591
Published: Jan. 17, 2024
Converting
CO2
into
energy-rich
fuels
by
using
solar
energy
is
a
sustainable
solution
that
promotes
carbon-neutral
economy
and
mitigates
our
reliance
on
fossil
fuels.
However,
affordable
efficient
conversion
remains
an
ongoing
challenge.
Here,
we
introduce
polymeric
g-C3N4
the
pores
of
hollow
In2O3
microtube.
This
architecture
results
in
compact
staggered
arrangement
between
components
with
increased
contact
interface
for
improved
charge
separation.
The
interior
further
contributes
to
strengthening
light
absorption.
resulting
g-C3N4-In2O3
tubes
exhibit
superior
activity
(274
μmol·g–1·h–1)
toward
CO
comparison
those
pure
(5.5
93.6
μmol·g–1·h–1,
respectively),
underlining
role
integrating
this
advanced
system.
work
offers
strategy
design
preparation
heterostructures
optimizing
adsorption
inorganic
organic
semiconductors.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(10), P. 11560 - 11574
Published: May 10, 2024
In
this
study,
we
investigate
visible-light-driven
photocatalytic
and
photo-Fenton
degradation
of
tetracycline
(TC)
using
bismuth-impregnated
lanthanum
orthoferrite
(BixLa1–xFeO3
(x
=
0,
0.01,
0.05,
0.07))
nanostructures.
Bi
doping
significantly
improves
the
removal
TC,
with
Bi0.05La0.95FeO3
(LFO-Bi5)
exhibiting
optimal
degradation.
both
photocatalysis
(PC)
catalysis
(PFC),
reaction
follows
pseudo-first-order
kinetics,
LFO-Bi5
showing
rate
constants
0.0065/min
for
PC
0.02716/min
PFC,
surpassing
LaFeO3
by
2.76
3.43
times,
respectively.
The
long-term
presence
photoexcited
carriers
in
is
confirmed
through
transient
PL,
TRPL,
EIS
studies.
superior
capabilities
are
attributed
to
radicals
OH•
catalysis.
PFC
exhibited
faster
kinetics
due
rapid
production
via
Fe-redox
cycle
direct
dissociation
H2O2
at
oxygen
vacancies.
demonstrates
excellent
photostability
reusability
up
six
consecutive
cycles.
pathway
toxicological
properties
intermediates
analyzed,
highlighting
potential
catalysts
antibiotic-contaminated
water
treatment.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(15), P. 17339 - 17350
Published: July 26, 2024
Regulating
the
bandgap
edge
and
building
oxygen
vacancy
(OV)
engineering
are
effective
countermeasures
for
facilitating
interfacial
charge
carrier
transfer/separation.
Herein,
bandgap-matched
2D
g-C3N4/WO3–x
Z-scheme
heterojunction
nanocomposites
were
fabricated
using
pyrolysis
method
with
bulk
g-C3N4
WO3
nanorods.
Meanwhile,
of
is
being
fine-tuned,
while
OVs
in
deliberately
engineered.
Satisfactory
results
achieved,
wherein
photodegraded
MO
by
g-C3N4/20.0
wt
%
WO3–x
nanocomposite
was
6.36,
3.78,
11.07
times
higher
than
that
g-C3N4,
WO3–x,
respectively.
Additionally,
photoreduction
Cr
(VI)
former
8.92,
5.23,
14.76
latter
three,
There
two
primary
reasons
notable
increase
photocatalytic
rate:
first,
through
secondary
pyrolysis,
can
attain
a
structure
matches
WO3;
second,
generate
chippy
OV
active
centers.
Furthermore,
synergistic
interaction
between
components
generates
additional
interface
charges
promotes
increased
photon
absorption,
ultimately
enhancing
rate.
This
study
offers
insights
into
designing
constructing
visible-light-driven
wastewater
purification.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 8362 - 8375
Published: April 2, 2024
As
an
effective
and
robust
wastewater
treatment
method,
a
photocatalytic
fabric
featuring
the
Z-scheme
heterojunction
was
developed
by
combining
Co/Fe
bimetallic
metal–organic
framework
(NH2-MIL-88B)
Ag3PO4
catalysts.
This
study
reveals
that
controlling
molar
ratio
of
NH2-MIL-88B
(Co/Fe)
(noted
as
MILx),
nanocrystal
structures
MILx
associated
with
Ag/MILx)
were
manipulated
to
perform
higher
adsorption
accelerated
reaction
for
removing
Rhodamine
B
(RhB)
pollutant
in
water.
Photoelectrochemical
investigation
scavenging
experiments
revealed
catalysts
(Ag/MILx)
followed
charge
transfer
pathways
Z-scheme,
facilitating
generation
•O2–
increasing
conduction
band
energy
position.
result,
at
optimal
0.2
cocatalyst,
RhB
performance
improved
28%
degradation
1.5
times
compared
formed
single-metal
(Fe).
The
material
this
offers
unique
advantage
other
catalytic
materials
strategically
utilizing
both
crystal
defects
design
enhance
performance.
is
significant
providing
crucial
empirical
evidence
insightful
designing
self-cleaning
composed
complex
cocatalytic
nanocrystals
enhanced
remediation.
