Radiation Physics and Chemistry,
Journal Year:
2023,
Volume and Issue:
215, P. 111388 - 111388
Published: Nov. 2, 2023
Conductive
graphitic
carbon
films
were
fabricated
from
insulating
polystyrene
(PS)
by
ion
beam
irradiation
and
subsequent
thermal
treatment,
used
as
a
transparent
anode
for
organic
solar
cells
(OSCs).
Analyses
of
optical
chemical
properties
revealed
that
the
thermally
resistant
oxidized
clusters
in
PS
precursors
(spin-coated
on
quartz)
efficiently
generated
at
fluence
2
x
1016
ions/cm2,
transformed
to
thin
through
high-temperature
treatment.
The
exhibited
thickness-dependent
conductivity
(the
highest
374
S/cm),
while
their
work
function
(5.20
eV)
surface
roughness
(0.560–0.596
nm)
unaffected
thickness
films.
Furthermore,
introduction
10.2
nm-thick
into
poly(3-hexylthiophene)
(P3HT):
[6,6]-phenyl-C61
butyric
acid
methyl
ester
(PCBM)-based
OSCs
resulted
power
conversion
efficiency
(PCE)
1.40%,
demonstrating
feasibility
using
electrodes.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Transforming
plastics
into
single-atom
catalysts
is
a
promising
strategy
for
upcycling
waste
value-added
functional
materials.
Herein,
graphene-based
catalyst
with
atomically
dispersed
FeN
Nanotechnology,
Journal Year:
2024,
Volume and Issue:
35(29), P. 295502 - 295502
Published: April 11, 2024
Abstract
Numerous
efforts
have
been
undertaken
to
mitigate
the
Debye
screening
effect
of
FET
biosensors
for
achieving
higher
sensitivity.
There
are
few
reports
that
show
sub-femtomolar
detection
biomolecules
by
mechanisms
but
they
either
suffer
from
significant
background
noise
or
lack
robust
control.
In
this
aspect,
deformed/crumpled
graphene
has
recently
deployed
other
researchers
various
biomolecule
like
DNA,
COVID-19
spike
proteins
and
immunity
markers
IL-6
at
levels.
However,
chemical
vapor
deposition
(CVD)
approach
fabrication
suffers
surface
contamination
while
transfer
process
induces
structural
defects.
paper,
an
alternative
methodology
proposed
where
glass
substrate
initially
texturized
wet
etching
through
sacrificial
layer
synthesized
silver
nanoparticles,
obtained
annealing
thin
films
leading
solid
state
dewetting.
Graphene
subsequently
deposited
thermal
reduction
technique
oxide
solution.
The
resulting
deformed
structure
exhibits
sensor
response
towards
glial
fibrillary
acidic
protein
(GFAP)
with
respect
flat
owing
combined
reduced
area
receptor
immobilization.
Additionally,
another
interesting
aspect
reported
work
lies
in
capture
dielectrophoretic
(DEP)
transport
on
crests
convex
surfaces
a
coplanar
gated
topology
which
resulted
10
aM
28
limits
GFAP
buffer
undiluted
plasma
respectively,
within
15
min
application
analyte.
limit
is
almost
four
decades
lower
than
documented
using
expected
pave
way
advancing
based
sensors
ultrasensitive
point-of-care
diagnosis
GFAP,
biomarker
traumatic
brain
injury.
Materials,
Journal Year:
2024,
Volume and Issue:
17(10), P. 2383 - 2383
Published: May 16, 2024
In
this
study,
crumpled
graphene
oxide
balls
(CGBs)
were
prepared
via
capillary
compression
using
a
rapidly
evaporating
aerosol
droplet
method.
The
CGBs
observed
scanning
electron
microscopy
(SEM),
high-resolution
transmission
(HRTEM),
and
Raman
spectroscopy.
size
distributions
of
particles
obtained
laser
nanometer
particle
analyzer
(DLS).
dispersibility
the
water
ionic
liquid
(IL)
was
tested
by
ultrasonic
dispersion.
tribological
properties
or
liquids
containing
ball
additives
(W/IL-CGB)
reciprocating
friction
tester
compared
with
water/ionic
oxide.
morphology
wear
scar
three-dimensional
optical
microscope
its
lubrication
mechanism
analyzed.
results
show
that
successfully
rapid
evaporation
droplets,
paper
spheres.
had
good
dispersion
dispersion,
IL-CGB
has
excellent
anti-friction
anti-wear
effects
on
steel-steel
pairs.
During
process,
CGB
adsorbed
at
interface
pair
to
form
protective
layer,
which
avoids
direct
contact
pair,
thereby
reducing
wear.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32445 - 32455
Published: June 13, 2024
Flexible
sensors
are
of
great
interest
due
to
their
potential
applications
in
human
physiological
signal
monitoring,
wearable
devices,
and
healthcare.
However,
sensor
devices
employed
for
cardiovascular
testing
normally
bulky
expensive,
which
hamper
wearability
point-of-care
use.
Herein,
we
report
a
simple
method
preparing
multifunctional
flexible
using
hydrazine
hydrate
(N2H4·H2O)
as
the
reducing
agent,
graphene
active
material,
polyethylene
(PE)
tape
encapsulation
material.
The
produced
with
this
has
low
detection
limit
100
mg,
fast
response
recovery
time
40
20
ms,
shows
no
performance
degradation
even
after
up
30,000
motion
cycles.
have
developed
capable
monitoring
pulse
relative
accuracy,
presents
an
opportunity
replace
normalize
future.
In
order
further
broaden
application
field,
is
installed
array
recognize
objects
different
weights
shapes,
showing
that
excellent
artificial
intelligence.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
paper
provides
a
comprehensive
review
of
the
latest
research
advancements
in
overcoming
Debye
screening
effect
field-effect
transistor
(FET)
sensors.
Journal of Polymer Science and Engineering,
Journal Year:
2024,
Volume and Issue:
7(1), P. 4978 - 4978
Published: April 17, 2024
Due
to
rising
global
environmental
challenges,
air/water
pollution
treatments
technologies
especially
membrane
techniques
have
been
focused.
In
this
context,
air
or
purification
membranes
considered
effective
for
remediations.
the
field
of
polymeric
membranes,
high
performance
polymer/graphene
nanocomposite
gained
increasing
research
attention.
The
nanomaterials
exposed
several
potential
benefits
when
processed
as
membranes.
This
review
explains
utilizations
polymer
and
graphene
derived
nanocomposites
towards
formation
water
gas
separation
decontamination
properties.
Here,
different
designs
developed
depending
upon
types
(poly(vinyl
alcohol),
poly(vinyl
chloride),
poly(dimethyl
siloxane),
polysulfone,
poly(methyl
methacrylate),
etc.)
functionalities.
Including
in
polymers
influenced
microstructure,
physical
features,
molecular
permeability
selectivity,
separations.
Polysulfone/graphene
oxide
found
most
efficient
with
enhanced
rejection
rate
90%–95%,
flux
>180
L/m2/h,
desirable
contact
angle
purposes.
For
reported
polysulfone/graphene
siloxane)/graphene
nanocomposites.
these
N2,
CO2,
other
gases
higher
than
even
>99.9%.
Similarly,
selectivity
values
like
CO2/CH4
observed.
Thus,
graphene-based
possess
overcome
challenges
related
