Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Abstract
Nano‐heterointerface
engineering
has
been
demonstrated
to
influence
interfacial
polarization
by
expanding
the
interface
surface
area
and
constructing
a
built‐in
electric
field
(BEF),
thus
regulating
electromagnetic
(EM)
wave
absorption.
However,
dielectric‐responsive
mechanism
of
BEF
needs
further
exploration
enhance
comprehensive
understanding
polarization,
particularly
in
terms
quantifying
optimizing
strength.
Herein,
“1D
expanded
2D
structure”
carbon
matrix
is
designed,
semiconductor
ZnIn
2
S
4
(ZIS)
introduced
construct
carbon/ZIS
heterostructure.
The
cross‐dimensional
nano‐heterointerface
design
increases
coupling
sites
induces
an
increase
Fermi
level
difference
on
both
sides
modulate
distribution
charges,
thereby
strengthening
at
interface.
synergistic
effect
leads
excellent
EM
absorption
performance
(minimum
reflection
coefficient
RC
min
=
−67.4
dB,
effective
bandwidth
EAB
6.0
GHz)
This
work
introduces
general
modification
model
for
enhancing
inspires
development
new
strategies
functional
materials
with
unique
electronic
behaviors
through
heterointerface
engineering.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(5), P. 4539 - 4550
Published: Jan. 23, 2024
Photocatalytic
materials
are
some
of
the
most
promising
substitutes
for
antibiotics.
However,
antibacterial
efficiency
is
still
inhibited
by
rapid
recombination
photogenerated
carriers.
Herein,
we
design
a
cationic
covalent
organic
framework
(COF),
which
has
symmetrical
localized
built-in
electric
field
due
to
induced
polarization
effect
caused
electron-transfer
reaction
between
Zn-porphyrin
unit
and
guanidinium
unit.
Density
functional
theory
calculations
indicate
that
there
electrophilic/nucleophilic
region
in
COF
structure,
results
from
increased
electron
density
around
The
formed
local
can
further
inhibit
carriers
driving
transfer
under
light
irradiation,
greatly
increases
yield
reactive
oxygen
species.
This
wrapped
DSPE-PEG2000
selectively
target
lipoteichoic
acid
Gram-positive
bacteria
electrostatic
interaction,
be
used
selective
discrimination
imaging
bacteria.
Furthermore,
this
nanoparticle
rapidly
kill
including
99.75%
Staphylococcus
aureus
99.77%
Enterococcus
faecalis
at
an
abnormally
low
concentration
(2.00
ppm)
irradiation
20
min.
work
will
provide
insight
into
designing
photoresponsive
COFs
through
engineering
charge
behavior.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Constructing
a
built-in
electric
field
(BIEF)
within
heterostructures
has
emerged
as
compelling
strategy
for
advancing
electrocatalytic
oxygen
evolution
reaction
(OER)
performance.
Herein,
the
p-n
type
nanosheet
array
heterojunction
Ni2P-NCDs-Co(OH)2-NF
are
successfully
prepared.
The
variation
in
interaction
affinity
between
nitrogen
N-doped
carbon
dots
(NCDs)
and
Ni/Co
induces
charge
redistribution
Co
Ni
Ni2P-NCDs-Co(OH)2-NF-3
heterostructure,
thereby
enhancing
intensity
of
BIEF,
facilitating
electron
transfer,
markedly
improving
OER
activity.
optimized
electrocatalyst,
Ni2P-NCDs-Co(OH)2-NF-3,
demonstrates
remarkably
low
overpotential
389
mV
at
500
mA
cm-2,
alongsides
small
Tafel
slope
65
dec-1,
expansive
electrochemical
active
surface
area
(ECSA),
impedance,
outstanding
stability
exceeding
425
h
Faradaic
efficiency
up
to
96%.
In
situ
Raman
spectroscopy
density
functional
theoretical
(DFT)
calculations
elucidate
mechanism,
revealing
that
enhanced
BIEF
optimizes
adsorption
energy
Co3+
OH-
weakened
desorption
during
reaction.
work
ponieeringly
employed
NCDs
regulator
effectively
tuning
achieving
superior
performance
under
large
current
density,
thus
charting
new
pathways
development
high-efficiency
electrocatalysts.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(35)
Published: June 8, 2024
Transition
metal
oxides
(TMOs)
are
promising
cathode
materials
for
aqueous
zinc
ion
batteries
(ZIBs),
however,
their
performance
is
hindered
by
a
substantial
Hubbard
gap,
which
limits
electron
transfer
and
battery
cyclability.
Addressing
this,
we
introduce
heteroatom
coordination
approach,
using
triethanolamine
to
induce
axial
N
on
Mn
centers
in
MnO
Energy & environment materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Gallium
nitride
(GaN)
single
crystal
with
prominent
electron
mobility
and
heat
resistance
have
great
potential
in
the
high
temperature
integrate
electric
power
systems.
However,
sluggish
charge
storage
kinetics
inadequate
energy
densities
are
bottlenecks
to
its
practical
application.
Herein,
self‐supported
GaN/Mn
3
O
4
integrated
electrode
is
developed
for
both
harvesting
under
environment.
The
experimental
theoretical
calculations
results
reveal
that
such
structures
Mn‐N
heterointerface
bring
abundant
active
sites
reconstruct
low‐energy
barrier
channels
efficient
transferring,
reasonably
optimizing
ions
adsorption
ability
strengthening
structural
stability.
Consequently,
assembled
GaN
based
supercapacitors
deliver
density
of
34.0
mW
cm
−2
capacitance
retention
81.3%
after
10
000
cycles
at
130
°C.
This
work
innovatively
correlates
centimeter
scale
ideal
capacity
Mn
provides
an
effective
avenue
follow‐up
applications
wide
bandgap
semiconductor.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 21, 2024
Abstract
The
pressing
demand
for
large‐scale
energy
storage
solutions
has
propelled
the
development
of
advanced
battery
technologies,
among
which
zinc‐ion
batteries
(ZIBs)
are
prominent
due
to
their
resource
abundance,
high
capacity,
and
safety
in
aqueous
environments.
However,
use
manganese
oxide
cathodes
ZIBs
is
challenged
by
poor
electrical
conductivity
structural
stability,
stemming
from
intrinsic
properties
MnO
2
destabilizing
effects
ion
intercalation.
To
overcome
these
limitations,
our
research
delves
into
atomic‐level
engineering,
emphasizing
quantum
spin
exchange
interactions
(QSEI).
These
essential
modifying
electronic
characteristics,
can
significantly
influence
material
efficiency
functionality.
We
demonstrate
through
density
functional
theory
(DFT)
calculations
that
enhanced
QSEI
oxides
broadens
O
p
band,
narrows
band
gap,
optimizes
both
proton
adsorption
electron
transport.
Empirical
evidence
provided
synthesis
Ru−MnO
nanosheets,
display
a
marked
increase
achieving
314.4
mAh
g
−1
at
0.2
A
maintaining
capacity
after
2000
cycles.
Our
findings
underscore
potential
enhance
performance
TMO
ZIBs,
pointing
new
avenues
advancing
technology
