International Advanced Researches and Engineering Journal,
Journal Year:
2023,
Volume and Issue:
7(2), P. 79 - 89
Published: Aug. 15, 2023
In
this
article,
experimental
studies
were
carried
out
for
the
preparation,
characterization,
and
nanomechanical
membrane
application
of
Graphene-based
mass
acoustic
hybrid
sensors.
The
purpose
study
was
to
prepare
facile
low-cost
membrane-based
mass-acoustic
sensors
by
set-ups
developed
on
exfoliation
transfer
methods,
examine
their
morphological,
spectroscopical,
nanomechanical-vibrational
properties,
as
well
characteristics
like
sensitivities
durability
over
time.
For
experiments,
equipment
items
such
optical,
digital,
atomic
force
scanning
electron
microscopes,
Raman
spectroscope,
signal
source
amplifier,
data-logger,
sound
pressure
level
meter,
laser
Doppler
vibrometer
used.
sensor
chips
with
varying
levels
mass-loadings
tested.
It
observed
that
sensitivity
produced
706.5
µm2
membranes
increased
increasing
decreased
mass-loads.
With
67.8
±
5
nm/Pa,
unloaded
most
sensitive
sample.
Experimental
challenges
development
solutions
discussed.
Existing
examples
examined
discussions
made
current
future
prospects
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 29, 2024
Abstract
Structurally
colored
composite
films,
composed
of
orderly
arranged
colloids
in
polymeric
matrix,
are
emerging
flexible
optical
materials,
but
their
production
is
bottlenecked
by
time-consuming
procedures
and
limited
material
choices.
Here,
we
present
a
mild
approach
to
producing
large-scale
structurally
films
shearing
supramolecular
composites
polymers
with
interactions.
Leveraging
dynamic
connection
dissociation
interactions,
force
stretches
the
polymer
chains
drags
migrate
directionally
within
matrix
reduced
viscous
resistance.
We
show
that
meter-scale
iridescence
color
can
be
produced
several
minutes
at
room
temperature.
Significantly,
tunability
diversity
interactions
allow
this
extendable
various
commonly-used
polymers.
This
study
overcomes
traditional
limitations
manufacturing
method
opens
an
avenue
for
mildly
ordered
commonly-available
materials
via
strategies.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 9, 2024
Graphene
growth
on
widely
used
dielectrics/insulators
via
chemical
vapor
deposition
(CVD)
is
a
strategy
toward
transfer-free
applications
of
CVD
graphene
for
the
realization
advanced
composite
materials.
Here,
we
develop
graphene-skinned
alumina
fibers/fabrics
(GAFs/GAFFs)
through
commercial
(AFs/AFFs).
We
reveal
vapor-surface-solid
model
non-metallic
substrate,
which
distinct
from
well-established
vapor-solid
conventional
non-catalytic
substrates,
but
bears
closer
resemblance
to
that
observed
catalytic
metallic
substrates.
The
metalloid-catalytic
AFs/AFFs
resulted
in
reduced
temperature
(~200
°C
lower)
and
accelerated
rate
(~3.4
times
faster)
compared
obtained
representative
counterpart,
quartz
fiber.
fabricated
GAFF
features
wide-range
tunable
electrical
conductivity
(1-15000
Ω
sq−1),
high
tensile
strength
(>1.5
GPa),
lightweight,
flexibility,
hierarchical
macrostructure.
These
attributes
are
inherited
both
AFF,
making
promising
various
including
heating
electromagnetic
interference
shielding.
Beyond
laboratory
level
preparation,
stable
mass
production
large-scale
has
been
achieved
home-made
roll-to-roll
system
with
capacity
468-93600
m2/year
depending
product
specifications,
providing
foundations
subsequent
industrialization
this
material,
enabling
its
widespread
adoption
industries.
Chemical
insulators
can
promote
application
functional
authors
report
process
alumina,
showing
their
Physical Chemistry Chemical Physics,
Journal Year:
2023,
Volume and Issue:
25(29), P. 19596 - 19605
Published: Jan. 1, 2023
To
further
reduce
the
fabrication
difficulty
of
optical
fiber
sensors
and
improve
sensing
performance,
this
study
introduced
surface
plasmon
resonance
(SPR)
effect
into
technology
designed
an
eccentric-core
photonic
crystal
(EC-PCF).
We
investigated
characteristics
two
fundamental
modes
in
core
polariton
(SPP)
on
gold
film.
also
influence
structural
parameters,
such
as
film
coating
area
thickness,
air
hole
diameter,
eccentricity,
confinement
loss
achieved
a
refractive
index
(RI)
sensitivity
31.25
μm
RIU-1
RI
range
1.29-1.43,
corresponding
to
figure
merit
(FOM)
521.6
per
RIU.
When
resolution
spectrum
analyzer
was
0.1
nm,
EC-PCF
could
achieve
3.2
×
10-6
Moreover,
we
performed
tests
with
typical
types,
one
which
sensor
directly
contact
adulterated
gasoline
kerosene-concentration
detection,
another
coated
layer
polydimethylsiloxane
(PDMS),
whose
is
sensitive
temperature
field,
sensing.
The
demonstrated
excellent
performance
offers
obvious
manufacturing
advantages,
providing
new
easily
fabricated
design
idea
for
Nanoscale Horizons,
Journal Year:
2023,
Volume and Issue:
8(10), P. 1345 - 1365
Published: Jan. 1, 2023
The
integration
of
two-dimensional
(2D)
van
der
Waals
materials
with
nanostructures
has
triggered
a
wide
spectrum
optical
and
optoelectronic
applications.
Photonic
structures
conventional
typically
lack
efficient
reconfigurability
or
multifunctionality.
Atomically
thin
2D
can
thus
generate
new
functionality
for
well-established
library
photonic
such
as
integrated
waveguides,
fibers,
crystals,
metasurfaces,
to
name
few.
Meanwhile,
the
interaction
between
light
be
drastically
enhanced
well
by
leveraging
micro-cavities
resonators
high
confinement.
unique
surfaces
enable
handiness
in
transfer
mixing
various
prefabricated
templates
degrees
freedom,
functionalizing
gain,
modulation,
sensing,
plasmonic
media
diverse
Here,
we
review
recent
advances
synergizing
nanophotonic
prototyping
novel
performance
enhancements.
Challenges
scalable
preparations
transfer,
emerging
opportunities
integrating
building
blocks
beyond
are
also
discussed.
Chemistry - An Asian Journal,
Journal Year:
2023,
Volume and Issue:
18(16)
Published: July 10, 2023
Abstract
With
the
impetus
of
flexible
electronics
and
micro‐nano
fabrication
technology,
human
demand
for
intelligent
wearable
devices
is
on
an
upsurge.
In
recent
years,
new
functional
fibers
have
undergone
rapid
development
emerged
as
indispensable
carrier
e‐textiles.
However,
to
achieve
their
applications
durability,
must
possess
good
electrical
mechanical
properties.
As
emerging
two‐dimensional
material,
MXenes
attracted
immense
attention
high
conductivity,
strength,
specific
surface
area,
adjustable
properties,
exceptional
processability.
such,
become
ideal
candidate
primary
component
fibers.
This
paper
presents
a
comprehensive
review
research
progress
MXene‐based
in
construction
electronic
textiles.
Firstly,
we
briefly
outline
preparation
methods
materials.
Next,
summarize
processing
types
highlight
performance
parameters.
Lastly,
application
scenarios
anticipate
future
Optics & Laser Technology,
Journal Year:
2024,
Volume and Issue:
174, P. 110588 - 110588
Published: Jan. 23, 2024
We
study
the
supercontinuum
(SC)
generation
from
a
passively
mode-locked
erbium-doped
fiber
laser
(ML-EDFL)
using
two
different
samples
of
monolayer
graphene
saturable
absorber
(SA)
onto
side-polished
surface
D-shaped
fiber,
characterized
with
98%
and
65%
polarization
dependent
loss
(PDL),
respectively.
By
first
PDL
SA
(setup-1),
output
pulse
spectral
profile
11.6
nm
bandwidth
was
obtained
ML-EDFL
subsequently
amplified
an
amplifier
(EDFA)
to
pump
2-m
highly
nonlinear
(HNLF)
5-m
ZBLAN
lengths,
both
fibers
operating
at
normal
dispersion
regime,
which
resulted
in
individual
SC
350
245
nm,
Furthermore,
EDFA
spectrally
by
observing
their
blue
shift
central
wavelength,
reaching
value
6.9
12
dB
due
gain.
With
second
(setup-2),
we
could
generate
227
351
bandwidths
0.5
2
m
HNLF
Because
setups
were
on
state
input
pulse,
optimized
setup-2
external
controller
(PC),
allowed
us
adjust
brightness
broadening
SC.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(3), P. e14279 - e14279
Published: March 1, 2023
Graphene
has
received
tremendous
attention
among
diverse
2D
materials
because
of
its
remarkable
properties.
Its
emergence
over
the
last
two
decades
gave
a
new
and
distinct
dynamic
to
study
materials,
with
several
research
projects
focusing
on
exploiting
intrinsic
properties
for
optoelectronic
devices.
This
review
provides
comprehensive
overview
published
articles
based
density
functional
theory
recently
introduced
machine
learning
approaches
applied
electronic
optical
graphene.
A
catalogue
bond
lengths,
band
gaps,
formation
energies
various
doped
graphene
systems
that
determine
thermodynamic
stability
was
reported
in
literature.
In
these
studies,
peculiarity
obtained
results
is
consequent
nature
type
dopants,
choice
XC
functionals,
basis
set,
wrong
input
parameters.
The
different
models,
as
well
strengths
uncertainties
ML
potentials
employed
approach
enhance
prediction
models
graphene,
were
elucidated.
Lastly,
thermal
properties,
modelling
heterostructures,
superconducting
behaviour
optimization
DFT
are
grey
areas
future
studies
should
explore
enhancing
unique
potential.
Therefore,
identified
trends
knowledge
gaps
have
prospect
both
academia
industry
design
reliable
