Construction of Ag-modified ZnO/g-C3N4 heterostructure for enhanced photocatalysis performance
The Journal of Chemical Physics,
Год журнала:
2024,
Номер
161(15)
Опубликована: Окт. 15, 2024
ZnO/g-C3N4
heterojunction
modified
with
Ag
nanoparticles
(ZnO/CN/Ag)
was
synthesized
by
depositing
ZnO
nanorods/Ag
onto
g-C3N4
nanosheets.
Under
xenon
lamp
irradiation,
99%
of
Rhodamine
B
(RhB)
degraded
ZnO/CN/Ag-5%
composite
within
30
min,
which
much
higher
than
the
degradation
efficiency
and
ZnO/CN.
The
synergistic
effect
ZnO,
along
localized
surface
plasmon
resonance
NPs,
contributes
to
improvement
photocatalytic
performance.
nanoparticle
provides
another
charge
transfer
path
from
speeds
up
separation
electron-hole
pairs.
Meanwhile,
catalyst
had
good
stability
recyclability.
Finite-difference
time-domain
method
density
functional
theory
were
used
obtain
process.
photodegradation
process
has
been
studied
in
depth.
Язык: Английский
Graphitic Carbon Nitride Nanomaterials-Based Electrochemical Sensing Interfaces for Monitoring Heavy Metal Ions in Aqueous Environments
Nanomaterials,
Год журнала:
2025,
Номер
15(7), С. 564 - 564
Опубликована: Апрель 7, 2025
The
persistent
threat
of
heavy
metal
ions
(e.g.,
Pb2+,
Hg2+,
Cd2+)
in
aqueous
environments
to
human
health
underscores
an
urgent
need
for
advanced
sensing
platforms
capable
rapid
and
precise
pollutant
monitoring.
Graphitic
carbon
nitride
(g-C3N4),
a
metal-free
polymeric
semiconductor,
has
emerged
as
revolutionary
material
constructing
next-generation
environmental
sensors
due
its
exceptional
physicochemical
properties,
including
tunable
electronic
structure,
high
chemical/thermal
stability,
large
surface
area,
unique
optical
characteristics.
This
review
systematically
explores
the
integration
g-C3N4
with
functional
nanomaterials
nanoparticles,
oxide
nanomaterials,
carbonaceous
materials,
conduction
polymer)
engineer
high-performance
interfaces
detection.
structure-property
relationship
is
critically
analyzed,
emphasizing
how
morphology
engineering
(nanofibers,
nanosheets,
mesoporous)
functionalization
strategies
enhance
sensitivity
selectivity.
Advanced
detection
mechanisms
are
elucidated,
electrochemical
signal
amplification,
photoinduced
electron
transfer
processes
enabled
by
g-C3N4’s
tailored
bandgap
active
sites.
Furthermore,
this
addresses
challenges
real-world
deployment,
such
scalable
nanomaterial
synthesis,
matrix
interference
mitigation,
long-term
reliable
work
provides
valuable
insights
advancing
g-C3N4-based
technologies
toward
sustainable
monitoring
intelligent
pollution
control
systems.
Язык: Английский
Plasmonic Ag-decorated GaN for efficient photothermal CO2 conversion
Applied Catalysis B Environment and Energy,
Год журнала:
2025,
Номер
373, С. 125366 - 125366
Опубликована: Апрель 14, 2025
Язык: Английский
One-pot green synthesis of Ag/Ni/Fe3O4-activated carbon beads for recyclable photo-Fenton antibiotic removal and antibacterial action: mechanistic study and optimization
RSC Advances,
Год журнала:
2025,
Номер
15(17), С. 13478 - 13496
Опубликована: Янв. 1, 2025
Multifunctional
Ag/Ni/Fe
3
O
4
-carbon
beads
for
self-cleaning
antibiotic
removal
and
antibacterial
action.
Язык: Английский
Emerging Photocatalytic Applications of Transition Metal Dichalcogenides and Hybrid Composites for Energy Applications and Environmental Remediation
ChemCatChem,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 24, 2025
Abstract
This
review
provides
a
critical
evaluation
of
the
photocatalytic
processes
that
control
efficiency
transition
metal
dichalcogenides
(TMDCs)
and
their
hybrid
composites
in
notable
applications,
including
pollutant
abatement,
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
carbon
dioxide
(CO₂)
reduction.
TMDCs
possess
excellent
physicochemical
characteristics
with
tuneable
bandgaps,
large
surface
area,
intense
visible‐light
absorption
render
them
exceptionally
competent
for
initiating
photo‐induced
redox
reactions.
The
highlights
mechanistic
understanding
concerning
charge
carrier
generation
separation,
defect
engineering,
interfacial
electron
transfer,
all
which
is
key
to
improved
performance.
Particular
focus
on
degradation
mechanisms,
water
splitting
kinetics,
CO₂
photoreduction
mechanisms.
Though
promising,
face
challenges
such
as
photo‐corrosion,
short‐term
stability
issues,
scale‐up
limitations.
To
overcome
these
challenges,
formation
heterojunctions
visible‐light‐active
semiconductors,
halide
perovskites,
emphasized
potential
method
enhance
separation
broaden
spectral
response.
Furthermore,
integration
cocatalysts
design
multicomponent
heterostructures
are
investigated
methods
promote
durability
efficiency.
emphasizes
central
role
developing
scalable
sustainable
systems
environmental
energy
applications.
Язык: Английский