Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
In
hot
electron
(HE)‐driven
photocatalysis,
plasmonic
metal
nanocrystals
with
small
size,
or
even
nanoclusters,
are
preferrable.
Antenna–reactor
mechanism
has
been
utilized
to
further
boost
the
photocatalytic
performance
of
reactor
nanoparticles.
The
construction
a
metal–semiconductor–metal
core–shell–satellite
(CSS)
superstructure
is
demonstrated
for
highly
efficient
HE
generation
entire
CSS
architecture,
where
mesoporous
TiO
2
(mTiO
)
shell
spatially
separates
Au
nanohelicoid
(AuNH)
antenna
core
and
nanocluster
(AuNC)
satellites.
Individual
AuNH@mTiO
@AuNC
superstructures
optically
characterized
using
dark
field
scattering
circular
differential
spectroscopies.
photocurrent
responses
measured
photoelectrochemical
cell,
12.4‐
8.3‐fold
enhancements
respectively
achieved
respect
that
AuNHs.
Electromagnetic
simulations
reveal
contribution
from
satellites
accumulative
volume
almost
equal
core.
Therefore,
specific‐volume
rate
exhibit
high
amplification
ratio,
350,
core,
being
attributed
antenna–reactor
in
architecture.
Key
factors
optimized,
which
includes
size
satellites,
E‐field
enhancement,
semiconductor
separation
collection
carriers.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 11, 2025
Nitrogen
fixation
is
essential
for
the
sustainable
development
of
both
human
society
and
environment.
Due
to
chemical
inertness
N≡N
bond,
traditional
Haber–Bosch
process
operates
under
extreme
conditions,
making
nitrogen
ambient
conditions
highly
desirable
but
challenging.
In
this
study,
we
present
an
ultrasonic
atomizing
microdroplet
method
that
achieves
using
water
air
in
a
rationally
designed
sealed
device,
without
need
any
catalyst.
The
total
rate
achieved
6.99
μmol/h,
yielding
ammonium
as
reduction
product
nitrite
nitrate
oxidation
products,
with
hydrogen
peroxide
produced
byproduct
at
4.29
μmol/h.
Using
electron
paramagnetic
resonance
(EPR)
spectroscopy,
captured
reactive
species,
including
hydrogen,
hydroxyl,
singlet
oxygen,
superoxide
anion,
NO
radicals.
conjunction
situ
mass
spectrometry
(MS)
isotope
labeling,
confirmed
presence
nitrogen-containing
intermediates,
such
HN═NOH+•,
H2N–N(OH)2+•,
HNO+,
NH2OH+•.
Supported
by
these
findings
theoretical
calculations,
propose
radical-mediated
disproportionation
mechanism.
Simulations
naturally
occurring
condensed
microdroplets
also
demonstrated
redox
fixation.
This
microdroplet-based
not
only
offers
potential
pathway
practical
applications
deepens
our
understanding
natural
cycle.
Inorganic Chemistry Frontiers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
summary
describes
and
elucidates
an
enhanced
strategy
for
photocatalytic
nitrogen
fixation
over
Bi
2
MO
6
(M
=
Mo,
W)-based
catalysts
points
out
the
development
prospects
of
fixation.
Chemical Synthesis,
Journal Year:
2025,
Volume and Issue:
5(1)
Published: Feb. 8, 2025
The
conversion
of
toluene
into
high-value
products
without
generating
undesired
CO2
remains
a
critical
challenge.
Selective
oxidation
under
visible
light
irradiation
has
emerged
as
promising
solution.
This
review
offers
comprehensive
interpretation
photocatalytic
transformations
in
heterogeneous
oxidation.
We
start
by
outlining
the
basic
mechanism
C–H
bond
activation
and
provide
an
overview
reactive
oxygen
species
(ROS)
within
systems.
Subsequently,
we
summary
strategies
that
have
been
developed
to
enhance
selectivity
system.
Following
this,
advanced
characterization
techniques
density
functional
theory
(DFT)
calculations
are
discussed
for
understanding
structure-performance
relationship
photocatalysts
mechanisms
underlying
processes.
Finally,
put
forward
detailed
discussion
current
challenges
potential
directions
future
research,
with
aim
offering
valuable
insights
this
emerging
field.
believe
will
not
only
spark
greater
creativity
optimizing
but
also
offer
designing
other
ACS Energy Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1347 - 1356
Published: Feb. 23, 2025
Plasmonic
metal/semiconductor
hetero-nanostructures
have
attracted
tremendous
research
interests
in
optoelectronic
devices,
photocatalysis
and
photothermal
therapy,
related
fields.
Among
various
mechanisms
of
localized
surface
plasmon
resonance
(LSPR)
induced
enhancements,
the
mechanism
LSPR-induced
hot
carrier
injection
has
emerged
as
a
particularly
powerful
efficient
process
for
modulating
charge
dynamics,
especially
photocatalysis.
The
efficiency
these
injections
relies
on
robust
metal–semiconductor
interfaces,
with
performance
heavily
influenced
by
composition,
crystallinity,
atomic
structure
multi-interfaces
involved.
This
letter
explores
injection,
highlighting
recent
advances
emphasis
multi-interfacial
engineering
to
optimize
dynamics
utilization.
These
interface-regulated
processes,
combined
enhanced
photocatalytic
performance,
provide
new
opportunities
further
advanced
wide
range
photoelectric
conversion
applications.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
This
study
presents
a
novel
method
to
control
the
site‐selective
growth
of
Au
nanostars
on
CuS
nanodisc
substrate,
it
indicates
that
surfactant
ligands
play
key
role
in
architecture
control,
only
CTAC
and
homologous
series
with
appropriate
affinity
can
direct
annular‐epitaxial
nanoparticles
CuS,
which
demonstrates
superior
peroxidase
(POD)‐mimic
SERS
activity.
Mechanistic
studies
indicate
plasmon‐enhanced
catalytic
activity
be
attributed
spatially
separated
CuS‐Au
heterostructure,
supports
light‐triggered
hot
electron‐hole
pairs
production
localized
surface
plasmon
resonance
hotspots.
For
practical
biosensing,
heterostructures
assembled
lateral
flow
assay
(LFA)
was
used
for
SERS/catalytic
colorimetric/photothermal
three‐mode
detection
Streptococcus
pneumoniae
Klebsiella
,
visually
colorimetric
mode
at
103
CFU/mL
quantitative
SERS/photothermal
modes
2–10
2
within
15
min,
clinical
samples
were
validate
assay,
result
100%
concordant
results
real‐time
PCR.
provides
unique
avenue
controllably
produce
nanozyme,
provide
multi‐mode
signals
LFA
application
meet
requirements
different
scenarios.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
Localized
Surface
Plasmon
Resonance
(LSPR)‐enabled
nanomaterials
provide
a
promising
platform
for
photothermal
catalysis
and
artificial
photosynthesis,
addressing
critical
energy
environmental
challenges.
This
review
examines
the
dual
role
of
LSPR
in
both
hot
electron
dynamics
localized
heating
effects
to
enhance
catalytic
reactions.
Fundamental
mechanisms
are
introduced,
emphasizing
how
plasmon‐induced
thermal
generation
synergistically
drive
chemical
transformations.
Recent
advancements
highlighted
optimized
nanoscale
management
strategies
that
reactivity
selectivity
applications
discussed.
Through
detailed
analysis
material
systems
their
scalability
challenges,
future
directions
developing
robust,
low‐cost
plasmonic
materials
leverage
sustainable,
efficient
solar‐to‐chemical
conversion
presented.
aims
guide
design
next‐generation
diverse
applications.
