JUSTC,
Год журнала:
2024,
Номер
54(9), С. 0902 - 0902
Опубликована: Янв. 1, 2024
In
recent
years,
magnetic
fields
have
been
widely
applied
in
catalysis
to
increase
the
performance
of
electrocatalysis,
photocatalysis,
and
thermocatalysis
through
an
important
noncontact
way.
This
work
demonstrated
that
doping
CsPbCl<sub>3</sub>
halide
perovskite
nanocrystals
with
nickel
ions
(Ni<sup>2+</sup>)
applying
external
field
can
significantly
enhance
photocatalytic
carbon
dioxide
reduction
reaction
(CO<sub>2</sub>RR).
Compared
its
counterpart,
Ni-doped
exhibits
a
sixfold
CO<sub>2</sub>RR
efficiency
under
500
mT
field.
Insights
into
mechanism
this
enhancement
effect
were
obtained
photogenerated
current
density
measurements
X-ray
circular
dichroism.
The
results
illustrate
significant
catalytic
by
is
attributed
synergistic
effects
element
field,
leading
reduced
electron‒hole
recombination
extended
carrier
lifetimes.
study
provides
effective
strategy
for
enhancing
manipulating
spin-polarized
electrons
semiconductors
via
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(31), С. 19757 - 19782
Опубликована: Янв. 1, 2024
This
review
focuses
on
nanostructure
engineering
of
halide
perovskites
from
three
perspectives:
size
morphology,
composition
and
interfacial
engineering,
then
reviews
its
applications
in
five
fields
also
summarises
stability
strategies.
Abstract
Converting
clean
solar
energy
into
chemical
through
artificial
photosynthesis
is
an
effective
solution
to
solve
the
and
environmental
issues.
Here,
we
report
a
Cs
3
Bi
2
Br
9
/Bi
WO
6
(CBB/BWO)
Z‐scheme
heterojunction
constructed
via
electrostatic
self‐assembly,
which
facilitates
efficient
separation
of
photogenerated
carriers
ensures
corresponding
redox
capacity
both
components.
By
sharing
atoms,
Br−Bi−O
bond
established
between
CBB
BWO,
serving
as
“electron
bridge”.
The
electrons
generated
by
BWO
are
efficiently
channeled
heterojunction‐formed
bridge”,
thereby
achieving
photocatalytic
CO
reduction.
Under
simulated
sunlight
conditions,
it
exhibits
highest
yield
72.52
μmol
g
−1
(without
addition
any
precious
metal,
photosensitizers
or
sacrifices),
approximately
7‐fold
18‐fold
greater
than
that
pure
respectively.
This
work
provides
more
profound
comprehension
regulation
electron
transfer
interfacial
bonds,
proposing
promising
strategy
for
development
photocatalysts
photoreduction.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(11), С. 17026 - 17035
Опубликована: Март 5, 2025
Reducing
the
detachment
of
ligands
on
all-inorganic
cesium
lead
bromide
perovskite
quantum
dots
(CsPbBr3
PQDs)
presents
a
significant
challenge
to
their
practical
applications,
despite
remarkable
optoelectronic
properties.
Herein,
novel
strategy
was
introduced
passivate
surface
defects
CsPbBr3
PQDs
by
employing
short-chain
and
functional
groups
within
polymer
matrix
enhance
processability.
Guanidinopropanoic
acid
(GPA)
employed
as
coligand
alongside
oleic
oleylamine
synthesize
CsPbBr3-GPA
via
hot
injection
method.
A
nitrogen-containing,
superhydrophobic
mesoporous
polymer,
poly(divinylbenzene)-vinylimidazole
(PDVB-Vim),
utilized
an
innovative
encapsulation
material
for
PQDs,
resulting
in
formation
CsPbBr3-GPA@PDVB-Vim
composite.
were
successfully
protected
from
unfavorable
external
stimulation,
such
water
UV
light,
protective
PDVB-Vim.
retains
over
76%
its
initial
photoluminescence
intensity
after
31
days
68%
96
h
continuous
exposure
365
nm
irradiation
at
15
mW·cm-2.
The
screen
printing
with
methyl
methacrylate,
butyl
styrene
demonstrates
potential
stable
light
conversion
wearable
devices.
This
breakthrough
may
pave
way
further
advancements
using
highly
photoluminescent
luminescent
textiles
applications.
Abstract
Multimetallic
metal–organic
framework
(MOF)
nanoparticles
have
been
regarded
as
promising
electrocatalysts
for
the
oxygen
evolution
reaction
(OER)
due
to
their
small
size,
porous
structure,
and
synergistic
active
metal
site.
However,
limitations
such
stringent
preparation
conditions,
long
times,
low
yields
restrict
further
application.
Herein,
an
instantaneous
continuous
approach
is
proposed
synthesize
multimetallic
MOF
utilizing
high
gravity
technology.
With
greatly
enhanced
mixing
mass
transfer
in
rotating
packed
bed
reactor,
instantaneously
synthesized
bimetallic/trimetallic
show
smaller
particle
sizes,
higher
surface
areas,
OER
performance
compared
with
corresponding
stirred
tank
reactor
products.
Density
functional
theory
calculations
elucidate
intrinsic
activity
regulation
mechanism
of
bimetallic
MOFs.
This
study
not
only
proposes
efficient
strategy
MOFs
but
also
can
achieve
scaled‐up
ultra‐high
space–time
yield
(43,700
kg
m
−3
day
−1
),
promoting
practical
application
electrocatalysis.
Chemistry,
Год журнала:
2025,
Номер
7(3), С. 75 - 75
Опубликована: Май 2, 2025
Zinc-halogen
batteries
are
usually
based
on
two-electron
transfer
reactions
from
X−
to
X2.
However,
the
halogen
is
capable
of
being
further
oxidized
higher
valence
states,
thereby
achieving
capacity
zinc-
batteries.
Here,
a
six-electron
reaction
I−/I+
and
Br−/Br0
activated
successfully
by
introducing
KI
into
electrolyte.
ZIF-8-derived
porous
carbon
(ZPC),
serving
as
host
halogen,
effectively
suppresses
polybromide/polyiodide
shuttle
owing
chemisorption/physical
adsorption.
Additionally,
adsorption
I−
surface
zinc
anode
inhibits
growth
dendrites
formation
by-products.
Consequently,
zinc-bromine
exhibit
outstanding
electrochemical
performance,
including
specific
345
mAh
g−1
at
1
A
an
excellent
retention
80%
after
3000
cycles
2
g−1.
This
strategy
provides
novel
way
for
enhancing
performance
zinc-halogen
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 6, 2025
Nature-inspired
strategies
dominate
the
current
marine
green
antifouling;
nevertheless,
a
single
biomimetic
antifouling
strategy
has
limitations
in
static
or
dynamic
environment.
Inspired
by
fluorescent
corals
and
squids,
this
study
integrated
CsPbX3/CsPbBr3
(X
=
Cl
I)
perovskite
homojunctions
with
photocatalytic
properties
into
low-surface-energy
hydration-containing
polyurethane.
This
establishes
synergistic
mechanism
utilizing
fluorescence
catalysis
low
surface
energy
hydration
layer
while
further
exploring
regulatory
principles
of
performance
using
different
colored
fluorescence.
The
presence
facilitates
separation
transfer
homojunction
charge,
formation
hydrated
significantly
enhances
release
reactive
oxygen
species,
•O2-
1O2
free
radicals
playing
crucial
role.
In
addition,
coating
can
fluoresce
nine
colors,
blue-green
exhibiting
most
effective
properties.
is
attributed
to
higher
photon
blue
light,
which
stimulates
photosensitive
substances
within
bacteria
generate
damaging
cell
membranes
DNA
biofouling
thereby
achieving
an
effect.
research
thus
provides
promising
pathway
for
development
highly
efficient
coatings.
