Constructing a stable CdS/Nb2O5 Z-scheme heterojunction for efficient photocatalytic conversion of CO2
Molecular Catalysis,
Год журнала:
2025,
Номер
576, С. 114930 - 114930
Опубликована: Фев. 21, 2025
Язык: Английский
Single-Particle Fluorescence Spectroscopy for Elucidating Charge Transfer and Catalytic Mechanisms on Nanophotocatalysts
ACS Nano,
Год журнала:
2024,
Номер
18(44), С. 30247 - 30268
Опубликована: Окт. 24, 2024
Photocatalysis
is
a
cost-effective
approach
to
producing
renewable
energy.
A
thorough
comprehension
of
carrier
separation
at
the
micronano
level
crucial
for
enhancing
photochemical
conversion
capabilities
photocatalysts.
However,
heterogeneity
photocatalyst
nanoparticles
and
complex
charge
migration
processes
limit
profound
understanding
photocatalytic
reaction
mechanisms.
By
establishing
precise
interrelationship
between
microscopic
properties
photophysical
behaviors
photocatalysts,
single-particle
fluorescence
spectroscopy
can
elucidate
catalytic
mechanism
photocatalysts
in
situ,
which
provides
perspectives
improving
efficiency.
This
Review
primarily
focuses
on
basic
principles
advantages
its
progress
study
plasmonic
semiconductor
photocatalysis,
especially
emphasizing
importance
mechanism,
offers
scientific
guidance
designing
efficient
systems.
Finally,
we
summarize
forecast
future
development
prospects
technology,
insights
into
technological
upgrading.
Язык: Английский
Size Inhomogeneity Facilitates Exciton Dissociation in Carbon Dots
Nano Letters,
Год журнала:
2025,
Номер
25(6), С. 2554 - 2560
Опубликована: Янв. 31, 2025
Organic
carbon
dots
(CDs)
exhibit
tunable
electronic
structures
and
exceptional
optical
properties,
supporting
both
exciton-
charge-driven
applications.
However,
the
mechanisms
underlying
this
dual
functionality
are
poorly
understood.
This
study
establishes
role
of
size
inhomogeneity
in
exciton
dissociation
for
first
time.
Two
distinct
CD
types
were
identified,
each
class
with
a
deviation.
Intradot
relaxation
within
same
type
CDs
composes
fast
(∼1
ps)
slow
(∼tens
picoseconds)
component
among
size-deviated
subpopulations.
Interdot
transfer
between
two
occurs
time
scale
4.4
ps
but
is
evident
only
when
higher-energy
states
excited.
It
also
facilitates
dissociation,
generating
nearly
free
carriers,
confirmed
by
EPR
spectra
(g-value
=
2.005).
These
findings
highlight
critical
energy
level
alignment
selective
excitation
mediating
providing
key
insights
optimizing
light
emission
conversion
Язык: Английский
Advanced TiO2-Based Photocatalytic Systems for Water Splitting: Comprehensive Review from Fundamentals to Manufacturing
Molecules,
Год журнала:
2025,
Номер
30(5), С. 1127 - 1127
Опубликована: Фев. 28, 2025
The
global
imperative
for
clean
energy
solutions
has
positioned
photocatalytic
water
splitting
as
a
promising
pathway
sustainable
hydrogen
production.
This
review
comprehensively
analyzes
recent
advances
in
TiO2-based
systems,
focusing
on
materials
engineering,
source
effects,
and
scale-up
strategies.
We
recognize
the
advancements
nanoscale
architectural
design,
engineered
heterojunction
of
catalysts,
cocatalyst
integration,
which
have
significantly
enhanced
efficiency.
Particular
emphasis
is
placed
crucial
role
chemistry
system
performance,
analyzing
how
different
sources-from
wastewater
to
seawater-impact
evolution
rates
stability.
Additionally,
addresses
key
challenges
scaling
up
these
including
optimization
reactor
light
distribution,
mass
transfer.
Recent
developments
artificial
intelligence-driven
discovery
process
are
discussed,
along
with
emerging
opportunities
bio-hybrid
systems
CO2
reduction
coupling.
Through
critical
analysis,
we
identify
fundamental
propose
strategic
research
directions
advancing
technology
toward
practical
implementation.
work
will
provide
comprehensive
framework
exploring
advanced
composite
developing
efficient
scalable
multifunctional
simultaneous
Язык: Английский
Visible-light-driven photodegradation of Pt-derivative anticancer drug carboplatin over La-Fe-modified SrTiO3 with simultaneous doping and enhanced Pt-photodeposited catalyst
Journal of Water Process Engineering,
Год журнала:
2025,
Номер
71, С. 107387 - 107387
Опубликована: Март 1, 2025
Язык: Английский
Continuous Hydrogen Production from Sunrise to Sunset: Advancing Photocatalytic Stability Via Interface-Engineered Nanocomposite Tris-S-Triazine G-C3n4/Znin2s4 Heterostructure
Опубликована: Янв. 1, 2025
Язык: Английский
Review and Outlook of Graphene-Based Catalysis: Revolutionizing Water Splitting for Sustainable Hydrogen Production
Energy & Fuels,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Язык: Английский
Regulating Exciton Behavior of Porphyrins via Side‐Chain Engineering for Efficient Photocatalytic Hydrogen Evolution
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 28, 2025
Abstract
The
short
diffusion
length
(
L
D
)
and
high
binding
energy
E
b
of
excitons
for
organic
photocatalysts
lead
to
intense
geminate
recombination,
which
is
the
main
issue
limiting
rate
photocatalytic
hydrogen
evolution
reaction
(HER).
Herein,
oligo(ethylene
glycol)
(OEG)
chains
are
attached
onto
porphyrin
develop
three
photocatalysts,
ZnTPP‐1O,
ZnTPP‐3O,
ZnTPP‐5O,
regulate
exciton
dissociation
enhance
HER
rate.
Among
them,
ZnTPP‐3O
presents
moderate
dipole
moment,
highest
crystallinity,
longest
lifetime,
contributes
lowest
0.27
eV
prolonged
,
compared
ZnTPP‐1O
ZnTPP‐5O.
Therefore,
photocatalyst
based
on
nanoparticles
(NPs)
achieves
a
superior
21.1
mmol
g
−1
h
under
illumination
AM
1.5G
(100
mW
cm
−2
simulated
sunlight,
value
single‐component
porphyrin‐based
so
far.
Moreover,
blending
with
classical
electron
acceptor,
IT‐4F,
bulk
heterojunction
NPs
(ZnTPP‐3O:IT‐4F)
deliver
an
impressive
up
322
sunlight
illumination.
It
demonstrates
that
introducing
OEG
efficient
feasible
strategy
behavior
boost
performance.
Язык: Английский
Nanocatalysis in Cathode Pre-lithiation for Lithium-ion Battery: Progress and Challenges
Nanoscale,
Год журнала:
2024,
Номер
16(46), С. 21294 - 21308
Опубликована: Янв. 1, 2024
This
review
focuses
on
nanocatalysis
in
cathode
pre-lithiation,
summarizes
recent
progress
versatile
nanocatalysts
for
efficient
pre-lithiation
additive
decomposition
and
highlights
future
challenges
directions
commercialization.
Язык: Английский
Unveiling the Photocatalytic Potential of BiAgOS Solid Solution for Hydrogen Evolution Reaction
Nanomaterials,
Год журнала:
2024,
Номер
14(23), С. 1869 - 1869
Опубликована: Ноя. 22, 2024
The
growing
emphasis
on
green
energy
has
spurred
momentum
in
research
and
development
within
the
field
of
photocatalytic
materials,
particularly
for
hydrogen
production.
Among
most
abundant
oxides
Earth,
oxychalcogenides
stand
out
their
cost-effectiveness
ease
synthesis.
In
this
context,
we
present
an
investigation
potential
use
BiAgOS
as
efficient
photocatalyst
generation.
Utilizing
density
functional
theory
ab
initio
molecular
dynamics
(AIMD)
simulations,
computed
its
physical
properties
assessed
performance.
Specifically,
using
Heyd-Scuseria-Ernzerhof
corrections,
our
calculations
yielded
appropriate
electronic
gap
~1.47
eV
necessary
driving
water-splitting
reaction.
Additionally,
obtained
a
very
high
optical
absorption
coefficient
~5
×
10
Язык: Английский