Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 24, 2025
Abstract
Recently,
the
enzyme‐inspired
nanoconfinement
effect
has
garnered
significant
attention
for
enhancing
efficiency
of
electrocatalysts
and
photocatalysts.
Despite
substantial
progress
in
these
fields,
there
remains
a
notable
absence
comprehensive
insightful
articles
providing
clear
understanding
nanoconfined
catalysts.
This
review
addresses
this
gap
by
delving
into
catalysts
electrocatalytic
photocatalytic
energy
conversion.
Initially,
on
thermodynamics
kinetics
reactions
is
explored.
Subsequently,
primary
secondary
structures
are
categorized,
their
properties
outlined,
typical
methods
construction
summarized.
Furthermore,
an
overview
state‐of‐the‐art
applications
provided,
focusing
hydrogen
oxygen
evolution,
reduction,
carbon
dioxide
peroxide
production,
nitrogen
reduction.
Finally,
current
challenges
future
prospects
discussed.
aims
to
provide
in‐depth
insights
guidelines
advance
development
conversion
technology
Advanced Powder Materials,
Journal Year:
2024,
Volume and Issue:
3(2), P. 100170 - 100170
Published: Jan. 3, 2024
Modulating
electronic
structures
of
single-atom
metal
cocatalysts
is
vital
for
highly
active
photoreduction
CO2,
and
it's
especially
challenging
to
develop
a
facile
method
modify
the
dispersion
atomical
photocatalytic
sites.
We
herein
report
an
ion-loading
pyrolysis
route
in-situ
anchor
Pd
single
atoms
as
well
twinned
nanoparticles
on
ultra-thin
graphitic
carbon
nitride
nanosheets
(PdTP/PdSA-CN)
high-efficiency
CO2.
The
anchored
donate
electrons
adjacent
Pd–N4
sites
through
networks,
optimized
PdTP/PdSA-CN
photocatalyst
exhibits
CO
evolution
rate
up
46.5
μmol
g−1
h−1
with
nearly
100
%
selectivity.
As
revealed
by
spectroscopic
theoretical
analyses,
superior
activity
attributed
lowered
desorption
barrier
carbonyl
species
at
electron-enriched
atoms,
together
improved
efficiencies
light-harvesting
charge
separation/transport.
This
work
has
demonstrated
engineering
electron
density
assisted
strong
interaction
support
atomic
metal,
unveiled
underlying
mechanism
expedited
efficiency.
Small,
Journal Year:
2024,
Volume and Issue:
20(32)
Published: March 15, 2024
Abstract
Solar‐driven
carbon
dioxide
(CO
2
)
methanation
holds
significant
research
value
in
the
context
of
emission
reduction
and
energy
crisis.
However,
this
eight‐electron
catalytic
reaction
presents
substantial
challenges
activity
selectivity.
In
regard,
researchers
have
conducted
extensive
exploration
achieved
developments.
This
review
provides
an
overview
recent
advances
efficient
selective
photocatalytic
CO
methanation.
It
begins
by
discussing
fundamental
principles
detail,
analyzing
strategies
for
improving
efficiency
conversion
to
CH
4
comprehensively.
Subsequently,
it
outlines
applications
advanced
characterization
methods
Finally,
highlights
prospects
opportunities
area,
aiming
inspire
into
high‐value
shed
light
on
mechanisms.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(13), P. 10204 - 10213
Published: June 21, 2024
Precisely
engineering
point
defects
holds
promise
for
the
development
of
state-of-the-art
photocatalysts
CO2
conversion.
This
study
demonstrates
controllable
creation
nitrogen
vacancies
(VNs)
in
centers
heptazine
rings
graphitic
carbon
nitrides
(g-C3N4)
via
a
photochemical-assisted
etching
strategy.
Spectroscopic
analyses
and
theoretical
simulations
elucidate
photochemical
process
to
hydrogenate
situated
at
center
g-C3N4
ring
then
release
an
ammonia
molecule,
accompanied
by
photooxidation
sacrificial
agents.
The
catalyst
with
optimal
VNs
concentration
achieves
CO
generation
rate
35.2
μmol
g–1
h–1
nearly
100%
selectivity,
comparable
performance
reported
materials.
remarkably
improved
photoactivity
is
due
adjustments
electronic
structures
midgap
states
delocalized
π
electron
cloud
created
12-membered
surrounding
VN,
which
maximizes
light-harvesting
efficiencies
suppresses
recombination
photogenerated
electrons
holes.
also
activates
neighboring
catalytic
reduce
energy
barrier
reduction.
work
provides
good
design
concept
regulate
activity
defects.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 25, 2024
Abstract
Organic
thermally
activated
delayed
fluorescent
(TADF)
scintillators
hold
promising
potential
for
applications
in
medical
radiography
and
security
detection,
but
the
poor
X‐ray
absorption
ability
inferior
radioluminescence
(RL)
hampered
their
progression.
Herein,
study
has
pioneered
development
of
high‐performance
TADF
Ag(I)‐based
from
M
2
X
(dppb)
(M
=
Ag,
Cu;
Cl,
Br,
I)
complexes
with
1,2‐Bis(diphenylphosphino)benzene
ligand.
In
comparison
Cu(I)
complexes,
Ag(I)
series
generally
exhibited
superior
scintillation
performance.
Notably,
Ag
Cl
(Ag1)
stands
out
exceptionally
high
RL
intensity
(≈125%
higher
than
that
CsI:Tl)
a
low
detection
limit
59.8
nGy
s
−1
.
The
outstanding
performance
Ag1
is
primarily
attributed
to
synergistic
effect
exciton
utilization
efficiency
origin
small
singlet‐triplet
energy
gap,
enhanced
capacity
by
heavy
atoms,
photoluminescence
quantum
yield
(76.47%
ambient
atmosphere).
By
fabricating
flexible
film
constructed
submicron
crystalline
powders,
spatial
resolution
25.0
lp
mm
imaging
obtained.
It
offers
new
opportunities
utilizing
metal–organic
highly
efficient
imaging.