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.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(4), С. 1610 - 1619
Опубликована: Янв. 1, 2023
A
surface-grafting
strategy
of
molecular
brushes
is
demonstrated
to
create
a
robust
ion-regulating
interface
toward
calendar-life
Zn
anodes
with
high
Coulombic
efficiency
99.9%
and
ultralong
cyclability
over
2500
h
at
10
mA
cm
−2
.
Results in Physics,
Год журнала:
2023,
Номер
48, С. 106420 - 106420
Опубликована: Апрель 3, 2023
In
this
research
work,
in
order
to
solve
the
unadjustability
of
traditional
noble
metal
absorbers
meet
complex
application
requirements
actual
electromagnetic
environment,
we
designed
a
simple
tunable
absorber
based
on
graphene
with
Fermi
level.
The
performance
proposed
is
theoretically
simulated
by
finite
difference
time
domain
(FDTD)
method.
has
two
perfect
absorption
peaks
high
efficiency
99.51%
and
99.548%
its
working
band
(90–155
μm).
We
have
performed
an
in-depth
analysis
causes
focused
tunability
absorber.
frequency
can
be
adjusted
controlling
relaxation
level
graphene,
same
purpose
achieved
changing
refractive
index
(relative
dielectric
constant)
medium.
addition,
also
explored
influence
change
top
structure
parameters
performance.
ability
adapt
different
environments.
general,
it
flexibly
regulated
practical
applications,
which
will
provide
new
possibilities
for
development
many
fields
such
as
detection
communication.
Micromachines,
Год журнала:
2023,
Номер
14(8), С. 1597 - 1597
Опубликована: Авг. 14, 2023
Since
the
use
of
chemical
fuels
is
permanently
damaging
environment,
need
for
new
energy
sources
urgent
mankind.
Given
that
solar
a
clean
and
sustainable
source,
this
study
investigates
proposes
six-layer
composite
ultra-wideband
high-efficiency
absorber
with
an
annular
microstructure.
It
achieves
by
using
combination
properties
metamaterials
quantum
confinement
effects
semiconductor
materials.
The
substrate
W-Ti-Al2O3,
microstructure
InAs-square
InAs
film-Ti
film
combination.
We
used
Lumerical
Solutions'
FDTD
solution
program
to
simulate
calculate
model's
absorption,
field
distribution,
thermal
radiation
efficiency
(when
it
as
emitter),
further
explored
physical
mechanism
ultra-broadband
absorption.
Our
model
has
average
absorption
95.80%
in
283-3615
nm
band,
95.66%
280-4000
weighted
95.78%
under
AM1.5
illumination.
Meanwhile,
reflectance
5586-20,000
band
all
higher
than
80%,
94.52%,
which
good
infrared
suppression
performance.
95.42%
at
1000
K.
outstanding
performance
when
employed
emitter
well.
Additionally,
simulation
results
show
polarization
incidence
angle
insensitivity.
may
be
applied
photodetection,
thermophotovoltaics,
bio-detection,
imaging,
ion
emission,
water
evaporation
purification.
Micromachines,
Год журнала:
2023,
Номер
14(9), С. 1802 - 1802
Опубликована: Сен. 21, 2023
This
paper
presents
a
new
theoretical
proposal
for
surface
plasmon
resonance
(SPR)
terahertz
metamaterial
absorber
with
five
narrow
absorption
peaks.
The
overall
structure
comprises
sandwich
stack
consisting
of
gold
bottom
layer,
silica
medium,
and
single-layer
patterned
graphene
array
on
top.
COMSOL
simulation
represents
that
the
peaks
under
TE
polarization
are
at
fI
=
1.99
THz
(95.82%),
fⅡ
6.00
(98.47%),
fⅢ
7.37
(98.72%),
fⅣ
8.47
(99.87%),
fV
9.38
(97.20%),
respectively,
which
is
almost
consistent
performance
TM
polarization.
In
contrast
to
noble
metal
absorbers,
its
rates
frequencies
can
be
dynamically
regulated
by
controlling
Fermi
level
relaxation
time
graphene.
addition,
device
maintain
high
absorptivity
0~50°
in
0~40°
maximum
refractive
index
sensitivity
reach
SV
1.75
THz/RIU,
figure
merit
(FOM)
FOMV
12.774
RIU-1.
conclusion,
our
design
has
properties
dynamic
tunability,
independence,
wide-incident-angle
absorption,
fine
sensitivity.
We
believe
potential
applications
photodetectors,
active
optoelectronic
devices,
sensors,
other
related
fields.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Янв. 25, 2024
Abstract
The
practical
application
of
aqueous
zinc-ion
batteries
for
large-grid
scale
systems
is
still
hindered
by
uncontrolled
zinc
dendrite
and
side
reactions.
Regulating
the
electrical
double
layer
via
electrode/electrolyte
interface
an
effective
strategy
to
improve
stability
Zn
anodes.
Herein,
we
report
ultrathin
zincophilic
ZnS
as
a
model
regulator.
At
given
cycling
current,
cell
with
Zn@ZnS
electrode
displays
lower
potential
drop
over
Helmholtz
(stern
layer)
suppressed
diffuse
layer,
indicating
regulated
charge
distribution
decreased
electric
repulsion
force.
Boosted
adsorption
sites
are
also
expected
proved
enhanced
double-layer
capacitance.
Consequently,
symmetric
protection
can
stably
cycle
around
3,000
h
at
1
mA
cm
−2
overpotential
25
mV.
When
coupled
I
2
/AC
cathode,
demonstrates
high
rate
performance
160
mAh
g
−1
0.1
A
long
10,000
cycles
10
.
Zn||MnO
sustains
both
capacity
130
after
1,200
0.5
Sensors,
Год журнала:
2023,
Номер
23(17), С. 7569 - 7569
Опубликована: Авг. 31, 2023
Here,
we
document
a
D-type
double
open-loop
channel
floor
plasmon
resonance
(SPR)
photonic
crystal
fiber
(PCF)
for
temperature
sensing.
The
grooves
are
designed
on
the
polished
surfaces
of
pinnacle
and
backside
PCF
covered
with
gold
(Au)
film,
stomata
distributed
around
core
in
progressive,
periodic
arrangement.
Two
air
holes
between
Au
membrane
to
shape
leakage
window,
which
no
longer
solely
averts
outward
diffusion
Y-polarized
(Y-POL)
mode
energy,
but
also
sets
off
its
coupling
movie
from
window.
This
SPR-PCF
sensor
uses
temperature-sensitive
property
Polydimethylsiloxane
(PDMS)
reap
motive
Our
lookup
effects
point
out
that
these
sensors
have
sensitivity
up
3757
pm/°C
when
varies
5
°C
45
°C.
In
addition,
maximum
refractive
index
(RIS)
is
as
excessive
4847
nm/RIU.
These
proposed
an
easy
nanostructure
proper
sensing
performance,
now
not
improve
overall
performance
small-diameter
optic
sensors,
vast
application
prospects
geo-logical
exploration,
biological
monitoring,
meteorological
prediction
due
their
remarkable
RIS
exclusive
nanostructure.
Coatings,
Год журнала:
2023,
Номер
13(9), С. 1604 - 1604
Опубликована: Сен. 14, 2023
This
article
proposes
a
temperature-controlled
absorber
based
on
VO2,
which
consists
of
five
layers:
disk-shaped
VO2
layer
array,
dielectric
layer,
circular
hole
SiO2
and
gold
substrate
from
top
to
bottom.
We
optimized
the
thickness
other
four
layers
absorber,
except
for
using
PSO.
After
ten
iterations,
we
determined
that
optimal
parameters
top-to-bottom
four-layer
thicknesses
were
0.183
μm,
0.452
0.557
μm
1.994
μm.
At
this
point,
our
reached
absorption
parameters,
plotted
spectrum
under
these
conditions.
found
rate
at
29.1–47.2
THz
was
higher
than
90%,
bandwidth
as
high
18.1
THZ.
frequency
band
covers
most
atmospheric
window
area
(23–37.5
THz),
so
it
will
have
good
practicality.
30.8
43.12
THz,
there
perfect
peaks
with
rates
99.99%
99.99%,
respectively.
explained
cause
perspective
electric
field,
then
studied
change
in
curve
when
temperature
changed,
can
directly
observe
changes
field
explain
this.
Finally,
tune
by
changing
structure
pattern.
comparing
absorbers
developed
recent
years,
still
has
competitiveness,
believe
solution
is
expected
outstanding
performance
fields
such
photothermal
conversion
thermal
stealth
future.