Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 25, 2024
Abstract
Developing
artificial
protective
layers
is
an
effective
strategy
to
address
the
issue
of
dendrites
for
aqueous
Zn‐metal
batteries
(ZMBS).
However,
drawbacks
such
as
rough
microscopic
morphology,
excessive
thickness,
and
single
functionality
remain,
limiting
attainment
a
stable
zinc
anode.
Herein,
novel
multifunctional
organic–inorganic
hybrid
layer
produced
by
splicing
inorganic
fragments
onto
organic
materials
in
situ
using
chemical
sewing.
The
well‐compatible
also
retains
function
materials,
which
not
only
inhibits
dendrite
production
but
alleviates
Zn
corrosion.
Si─OH
bond
zincophilic
group
enables
planar
deposition
while
forming
hydrogen
bonds
with
water,
suppressing
water
activity
near
anode
reducing
evolution
reaction.
As
expected,
Zn||Zn
symmetric
cell
provides
high
cycling
stability
more
than
1960
h
at
1
mA
cm
−2
,
about
28
times
higher
that
assembled
without
layer.
More
importantly,
Zn||V
2
O
5
full
ultra‐long
lifetime
has
been
achieved
This
work
potential
viable
path
achieve
long‐lived
ZMBS.
Micromachines,
Год журнала:
2023,
Номер
14(5), С. 953 - 953
Опубликована: Апрель 27, 2023
This
paper
introduces
a
novel
metamaterial
absorber
based
on
surface
plasmon
resonance
(SPR).
The
is
capable
of
triple-mode
perfect
absorption,
polarization
independence,
incident
angle
insensitivity,
tunability,
high
sensitivity,
and
figure
merit
(FOM).
structure
the
consists
sandwiched
stack:
top
layer
single-layer
graphene
array
with
an
open-ended
prohibited
sign
type
(OPST)
pattern,
middle
thicker
SiO2,
bottom
gold
metal
mirror
(Au).
simulation
COMSOL
software
suggests
it
achieves
absorption
at
frequencies
fI
=
4.04
THz,
fII
6.76
fIII
9.40
peaks
99.404%,
99.353%,
99.146%,
respectively.
These
three
resonant
corresponding
rates
can
be
regulated
by
controlling
patterned
graphene's
geometric
parameters
or
just
adjusting
Fermi
level
(EF).
Additionally,
when
changes
between
0~50°,
still
reach
99%
regardless
kind
polarization.
Finally,
to
test
its
refractive
index
sensing
performance,
this
calculates
results
under
different
environments
which
demonstrate
maximum
sensitivities
in
modes:
SI
0.875
THz/RIU,
SII
1.250
SIII
2.000
THz/RIU.
FOM
FOMI
3.74
RIU-1,
FOMII
6.08
FOMIII
9.58
RIU-1.
In
conclusion,
we
provide
new
approach
for
designing
tunable
multi-band
SPR
potential
applications
photodetectors,
active
optoelectronic
devices,
chemical
sensors.
Micromachines,
Год журнала:
2023,
Номер
14(5), С. 985 - 985
Опубликована: Апрель 30, 2023
Solar
energy
is
currently
a
very
popular
source
because
it
both
clean
and
renewable.
As
result,
one
of
the
main
areas
research
now
investigation
solar
absorbers
with
broad
spectrum
high
absorption
efficiency.
In
this
study,
we
create
an
absorber
by
superimposing
three
periodic
Ti-Al2O3-Ti
discs
on
W-Ti-Al2O3
composite
film
structure.
We
evaluated
incident
angle,
structural
components,
electromagnetic
field
distribution
using
finite
difference
in
time
domain
(FDTD)
method
order
to
investigate
physical
process
which
model
achieves
broadband
absorption.
find
that
distinct
wavelengths
tuned
or
resonant
may
be
produced
Ti
disk
array
Al2O3
through
near-field
coupling,
cavity-mode
plasmon
resonance,
all
can
effectively
widen
bandwidth.
The
findings
indicate
absorber’s
average
efficiency
range
from
95.8%
96%
over
entire
band
200
3100
nm,
bandwidth
2811
nm
(244–3055
nm)
having
highest
rate.
Additionally,
only
contains
tungsten
(W),
titanium
(Ti),
alumina
(Al2O3),
materials
melting
points,
offers
strong
assurance
for
thermal
stability.
It
also
has
radiation
intensity,
reaching
94.4%
at
1000
K,
weighted
98.3%
AM1.5.
incidence
angle
insensitivity
our
suggested
good
(0–60°)
polarization
independence
(0–90°).
These
benefits
enable
wide
photovoltaic
applications
offer
numerous
design
options
ideal
absorber.
Electronics,
Год журнала:
2023,
Номер
12(12), С. 2655 - 2655
Опубликована: Июнь 13, 2023
When
surface
plasmon
resonance
(SPR)
occurs,
the
incident
light
is
absorbed
by
of
SPR
structure,
thus
minimizing
intensity
reflected
light.
Therefore,
method
adopted
in
this
paper
to
achieve
perfect
absorption
absorbent.
In
paper,
we
first
propose
a
multi-frequency
broadband
absorber
structure
based
on
graphene
SPR,
which
uses
continuous
patterned
frequency
spectrum
form
absorption.
simulation,
sandwich-stack
was
adopted,
whereby
situated
top
SiO2
layer
and
metal
layer.
The
broad-band
bands
were
obtained
as
4.14–4.38
THz,
5.78–6.36
7.87–8.66
THz
through
analog
simulation
finite-difference
time-domain
(FDTD)
solutions.
Then,
multi-layer
resonant
unit
superposition
combination
absorbing
units
responding
different
bands,
ultra-wideband
achieved.
data
results
illustrate
that
total
bandwidth
2.26
relative
Bw
equal
28.93%.
electric
field
X-Y
direction
band
analyzed,
respectively,
dynamic
tunability
studied.
Finally,
studied
whether
still
has
efficient
characteristics
for
two
polarization
modes
when
angle
changed
from
0°
70°.
model
proposed
potential
value
application
terahertz
photoelectric
detection,
filtering,
electromagnetic
shielding.
Nano Letters,
Год журнала:
2023,
Номер
23(5), С. 1726 - 1734
Опубликована: Фев. 16, 2023
Zn
metal
has
received
immense
interest
as
a
promising
anode
of
rechargeable
aqueous
batteries
for
grid-scale
energy
storage.
Nevertheless,
the
uncontrollable
dendrite
growth
and
surface
parasitic
reactions
greatly
retard
its
practical
implementation.
Herein,
we
demonstrate
seamless
multifunctional
metal-organic
framework
(MOF)
interphase
building
corrosion-free
dendrite-free
anodes.
The
on-site
coordinated
MOF
with
3D
open
structure
could
function
highly
zincophilic
mediator
ion
sifter
that
synergistically
induces
fast
uniform
nucleation/deposition.
In
addition,
corrosion
hydrogen
evolution
are
significantly
suppressed
by
interface
shielding
interphase.
An
ultrastable
plating/stripping
is
achieved
elevated
Coulombic
efficiency
99.2%
over
1000
cycles
prolonged
lifetime
1100
h
at
10
mA
cm-2
high
cumulative
plated
capacity
5.5
Ah
cm-2.
Moreover,
modified
assures
MnO2-based
full
cells
superior
rate
cycling
performance.
