Journal of Alloys and Compounds,
Journal Year:
2024,
Volume and Issue:
1002, P. 175322 - 175322
Published: June 24, 2024
An
integrated
theoretical-experimental
investigation
is
performed
to
understand
the
photocatalytic
and
optical
properties
of
Ag/SrTiO3
nanocomposite
(Ag/STO).
Theoretical
reveals
that
catalytic
activity
Ag/STO
increased
when
Ag
particle
size
smaller,
while
opposite
correlation
observed
for
its
visible-light
absorbance
efficiency.
These
insights
suggest
efficient
photocatalyst
needs
be
balanced
between
active
interfacial
site
density
intensity
by
carefully
controlling
dosage.
Furthermore,
reactive
oxygen
species
are
responsible
oxidative
degradation
organic
pollutant
on
could
identified
from
Density
Functional
Theory
(DFT)
calculations.
Comprehensive
experiments
carried
out
using
Rhodamine-B
(RhB)
photodegradation
test
in
wastewater
treatment
application
excellently
validate
those
theoretical
predictions.
Over
series
synthesized
composites
with
different
contents,
optimum
1%
wt.
loading
has
highest
92.8%
efficiency
RhB
after
1
hour
light
irradiation.
Trapping
also
confirm
crucial
role
O2
OH
species,
which
was
predicted
DFT
calculations,
as
primary
oxidizing
agents
RhB.
This
work
provides
a
useful
framework
develop
novel
plasmonic
nanocomposites
other
applications.
ACS Energy Letters,
Journal Year:
2022,
Volume and Issue:
7(2), P. 778 - 815
Published: Jan. 24, 2022
The
successful
development
of
artificial
photosynthesis
requires
finding
new
materials
able
to
efficiently
harvest
sunlight
and
catalyze
hydrogen
generation
carbon
dioxide
reduction
reactions.
Plasmonic
nanoparticles
are
promising
candidates
for
these
tasks,
due
their
ability
confine
solar
energy
into
molecular
regions.
Here,
we
review
recent
developments
in
hybrid
plasmonic
photocatalysis,
including
the
combination
nanomaterials
with
catalytic
metals,
semiconductors,
perovskites,
2D
materials,
metal-organic
frameworks,
electrochemical
cells.
We
perform
a
quantitative
comparison
demonstrated
activity
selectivity
fuel
liquid
phase.
In
this
way,
critically
assess
state-of-the-art
photocatalysts
production,
allowing
its
benchmarking
against
other
existing
heterogeneous
catalysts.
Our
analysis
allows
identification
best
performing
systems,
useful
design
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Oct. 9, 2023
Abstract
Nanozymes
are
considered
as
the
promising
antimicrobial
agents
due
to
enzyme‐like
activity
for
chemo‐dynamic
therapy
(CDT).
However,
it
remains
a
challenge
develop
novel
nanozyme
systems
achieving
stimuli‐responsive,
and
efficient
catalysis
with
multimodal
synergistic
enhancement.
In
this
work,
near‐infrared
(NIR)
plasmonic‐enhanced
photothermal
performance
effective
applications
proposed.
A
Ti
3
C
2
MXene/Fe‐MOFs
composite
(MXM)
NIR
CDT
combined
properties
is
successfully
developed
by
loading
metal‐organic
framework
(MOF)
nanozymes
onto
MXene.
The
mechanism
of
induced
localized
surface
plasmon
resonance
(LSPR)‐enhanced
(PTT)
well
explained
through
activation
energy
(
E
),
electrochemical
impedance
spectroscopy
(EIS),
X‐ray
photoelectron
(XPS),
fluorescence
analysis
experiments,
finite
element
simulation.
It
reveals
that
MXene
nanosheets
exhibit
exciters
generate
hot
electrons
can
transfer
Fe‐MOFs,
promoting
Fenton
reaction
enhances
CDT.
While
heating
produced
LSPR
also
boost
Fe‐MOFs
under
irradiation.
Both
in
vitro
vivo
experimental
results
demonstrate
LSPR‐induced
MXM
system
has
outstanding
properties,
promote
angiogenesis
collagen
deposition,
leading
accelerated
wound
healing.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(32)
Published: June 4, 2024
Abstract
Solar
fuel
synthesis
is
intriguing
because
solar
energy
abundant
and
this
method
compensates
for
its
intermittency.
However,
most
photocatalysts
can
only
absorb
UV‐to‐visible
light,
while
near‐infrared
(NIR)
light
remains
unexploited.
Surprisingly,
the
charge
transfer
between
ZnO
CuInS
2
quantum
dots
(QDs)
transform
a
NIR‐inactive
into
NIR‐active
composite.
This
strong
response
attributed
to
increased
concentration
of
free
carriers
in
p‐type
semiconductor
at
interface
after
migration
,
enhancing
localized
surface
plasmon
resonance
(LSPR)
effect
NIR
.
As
paradigm,
ZnO/CuInS
heterojunction
used
H
O
production
coupled
with
glycerin
oxidation
demonstrates
supreme
performance,
corroborating
importance
efficient
transfer.
Mechanistic
studies
through
contact
potential
difference
(CPD),
Hall
test,
finite
element
(FEM)
calculation
allow
direct
correlation
approach
bypasses
general
issues,
thereby
stepping
forward
ambitious
goal
harnessing
entire
spectrum.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(48)
Published: July 22, 2024
Abstract
The
development
of
efficient
photocatalysts
is
a
mainstay
for
the
advancement
photocatalytic
technology.
Heterojunction
can
overcome
inherent
limitations
single
photocatalysts,
integrating
advantages
each
component,
and
achieving
separation
photogenerated
charges,
making
them
research
focus
in
field
photocatalysis.
role
point
defects
reactions
diverse
significantly
influence
performance
photocatalysts.
This
review
comprehensively
summarizes
latest
advancements
defect
engineering
modulation
heterojunction
First,
types
their
impact
on
processes
are
introduced.
Subsequently,
common
presented.
Then,
accordance
with
recent
progress,
regulatory
mechanisms
within
outlined,
particular
functions
surface/interfacial
properties
charge
transfer
processes.
Finally,
challenges
faced
by
optimizing
promising
solutions
proposed.
provides
an
in‐depth
understanding
expectation
offering
insights
into
highly
active
materials.
