ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 6056 - 6067
Published: March 1, 2024
Photocatalytic
hydrogen
evolution
technology
faces
great
challenges
in
designing
efficient
and
stable
catalysts
that
absorb
visible
light.
In
this
study,
a
catalyst
with
S-scheme
heterojunction
built-in
electric
fields
was
successfully
prepared
by
electrostatic
self-assembly
to
load
ZnCdS
nanoparticles
on
layered
Ni–Co.
The
ZnCdS/NiCo
double
hydroxide
(NiCo-LDH)
test
demonstrates
the
effectively
inhibit
recombination
of
photogenerated
electrons
holes,
lowering
impedance
increasing
photocurrent.
Additionally,
more
can
take
part
reduction
reaction,
producing
H2.
It
is
worth
noting
ZnCdS/NiCo-LDH
1153
μmol
5
h,
which
10
times
ZnCdS.
We
analyze
electron
transport
process,
construction
field,
formation
during
situ
X-ray
photoelectron
spectroscopy.
This
study
provides
new
perspective
for
application
LDH
photocatalysis
direction
breakthrough
photocatalytic
research.
Small,
Journal Year:
2023,
Volume and Issue:
19(43)
Published: June 27, 2023
The
development
of
cost-effective
and
reliable
metal-free
carbon-based
electrocatalysts
has
gained
significant
attention
for
electrochemical
hydrogen
peroxide
(H2
O2
)
generation
through
a
two-electron
oxygen
reduction
reaction.
In
this
study,
scalable
solvent
engineering
strategy
is
employed
to
fabricate
oxygen-doped
carbon
dots
(O-CDs)
that
exhibit
excellent
performance
as
electrocatalysts.
By
adjusting
the
ratio
ethanol
acetone
solvents
during
synthesis,
surface
electronic
structure
resulting
O-CDs
can
be
systematically
tuned.
amount
edge
active
CO
group
was
strongly
correlated
with
selectivity
activity
O-CDs.
optimum
O-CDs-3
exhibited
extraordinary
H2
up
96.55%
(n
=
2.06)
at
0.65
V
(vs
RHE)
achieved
remarkably
low
Tafel
plot
64.8
mV
dec-1
.
Furthermore,
realistic
productivity
yield
flow
cell
measured
high
111.18
mg
h-1
cm-2
duration
10
h.
findings
highlight
potential
universal
approach
enabling
electrocatalytic
materials
improved
performance.
Further
studies
will
undertaken
explore
practical
implications
advancing
field
electrocatalysis.
Results in Surfaces and Interfaces,
Journal Year:
2024,
Volume and Issue:
14, P. 100188 - 100188
Published: Jan. 23, 2024
The
photocatalytic
hydrogen
evolution
technology
converts
solar
energy
into
clean
and
environmentally
friendly
energy,
which
is
considered
an
effective
means
to
solve
environmental
pollution
crisis.
unique
sp
sp2
hybrid
carbon
network
structure
of
graphdiyne
endows
it
with
excellent
carrier
mobility,
high
porosity,
making
a
promising
material
for
conversion.
This
article
provides
detailed
description
the
structural
properties
adjustable
bandgap
graphdiyne.
In
addition,
review
was
provided
on
modification
strategies
based
catalysts
evolution,
including
titanium
photocatalysts,
metal
oxide
double
hydroxide
catalysts,
organic
framework
photocatalysts
other
typical
semiconductors.
Finally,
challenges
opportunities
developing
semiconductors
water
splitting
were
proposed.
Timely
expected
contribute
rapid
development
in
field
evolution.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: May 30, 2024
Abstract
Colloidal
quantum
dots
(QDs),
as
a
class
of
0D
semiconductor
materials,
have
generated
widespread
interest
due
to
their
adjustable
band
gap,
exceptional
color
purity,
near‐unity
yield,
and
solution‐processability.
With
decades
dedicated
research,
the
potential
applications
garnered
significant
recognition
in
both
academic
industrial
communities.
Furthermore,
related
dot
light‐emitting
diodes
(QLEDs)
stand
out
one
most
promising
contenders
for
next‐generation
display
technologies.
Although
QD‐based
conversion
films
are
applied
improve
gamut
existing
technologies,
broader
application
QLED
devices
remains
its
nascent
stages,
facing
many
challenges
on
path
commercialization.
This
review
encapsulates
historical
discovery
subsequent
research
advancements
QD
materials
synthesis
methods.
Additionally,
working
mechanisms
architectural
design
prototype
discussed.
surveys
latest
within
industry.
The
narrative
concludes
with
an
examination
perspectives
technology
foreseeable
future.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
Abstract
Repair
of
infectious
bone
defects
remains
a
serious
problem
in
clinical
practice
owing
to
the
high
risk
infection
and
excessive
reactive
oxygen
species
(ROS)
during
early
stage,
residual
bacteria
delayed
Osseo
integrated
interface
later
which
jointly
creates
complex
dynamic
microenvironment
leads
non‐union.
The
melatonin
carbon
dots
(MCDs)
possess
antibacterial
osteogenesis
abilities,
greatly
simplifying
composition
multifunctional
material.
Therefore,
hydrogel
containing
MCDs
(GH‐MCD)
is
developed
meet
multi‐stage
repair
needs
injury
this
study.
GH‐MCD
can
intelligently
release
responding
acidic
scavenge
intracellular
ROS
exhibit
good
activity
by
inducing
production
inhibiting
expression
secA2
.
Moreover,
it
has
long‐lasting
antimicrobial
repair.
RNA‐seq
results
reveal
that
hydrogels
promote
infected
healing
enhancing
cellular
resistance
bacteria,
balancing
osteoclastogenesis,
regulating
immune
microenvironment.
In
conclusion,
through
programmed
transformation
microenvironment,
providing
novel
strategy
for
defects.
