Polymers,
Год журнала:
2024,
Номер
16(11), С. 1483 - 1483
Опубликована: Май 23, 2024
This
paper
presents
an
experimental
investigation
of
nanocomposites
composed
three
ratios
epoxy/graphene
nanoplatelets
(GNPs)
by
weight.
The
0.1,
0.2,
and
0.3
wt.%
specimens
were
carefully
manufactured,
their
mechanical
thermal
conductivity
properties
examined.
tensile
strength
modulus
epoxy/GNPs
enhanced
the
large
surface
area
graphene
nanoplatelets,
causing
crack
deflection
that
created
new
fracture
fronts
friction
because
rough
surface.
However,
compressive
was
gradually
reduced
as
GNP
loading
percentages
increased.
probably
due
to
severe
plastic
yielding
on
epoxy,
leading
catastrophic
axial
splitting
caused
premature
fractures.
Furthermore,
highest
0.1283
W/m-K,
representing
a
20.92%
improvement
over
neat
epoxy
(0.1061
W/m-K)
when
GNPs
added
epoxy.
efficient
heat
propagation
in
electron
movement
through
percolative
paths.
failure
mode
epoxy/GNP
showed
few
deflected
bifurcated
cracks
brittle,
dimple-like
Contrarily,
GNP-added
flexural
buckling
brittle
large-axial
splitting.
considered
damage-tolerant
material.
Materials,
Год журнала:
2024,
Номер
17(4), С. 892 - 892
Опубликована: Фев. 15, 2024
In
this
study,
the
synthesis
of
biologically
active
copper(II)
complex
[Cu(im)2]Cl2
was
achieved
using
a
reported
method.
Subsequently,
strategically
grafted
onto
graphene
oxide,
resulting
in
formation
nanocomposite
denoted
as
copper(II)-complex-grafted
oxide
(Cu-GO).
The
comprehensive
characterization
Cu-GO
conducted
through
various
techniques,
including
X-ray
diffraction
(XRD),
Fourier-transform
infrared
spectroscopy
(FT-IR),
UV-visible
spectroscopy,
emission
spectra
analysis,
photoelectron
(XPS),
and
Copper
K-edge
Absorption
Near
Edge
Structure
(XANES)
spectroscopy.
antibacterial
efficacy
compounds
assessed
disk
diffusion
microbroth
dilution
methods.
Notably,
copper
exhibited
highest
effectiveness,
showcasing
Minimal
Inhibitory
Concentration
(MIC)
value
500
µL
against
Klebsiella
bacteria.
activities
all
were
systematically
screened,
revealing
superior
performance
compared
to
standalone
compounds.
Expanding
scope
investigation,
we
explored
antioxidant
anti-obesity
complexes
organisms.
results
underscore
promising
directions
for
further
exploration
diverse
health-related
applications
these
Moreover,
photocatalytic
evaluated
under
sunlight
irradiation.
Cu-GO,
terms
percentage
inhibition
at
concentration
200
mg/mL,
values
41%
45%,
respectively.
Additionally,
composite
exceptional
efficacy,
achieving
degradation
efficiency
74%
RhB
irradiation,
surpassing
both
graphite
GO.
These
findings
not
only
demonstrate
enhanced
biological
activity,
but
also
highlight
notable
level
moderate
performance.
Such
dual
functionality
underscores
potential
versatility
nanocomposites
across
applications,
blending
heightened
with
controlled
photocatalysis.
Our
study
offers
valuable
insights
into
multifunctional
attributes
nanocomposites,
thereby
paving
way
their
broader
utilization
fields.
Polymers,
Год журнала:
2025,
Номер
17(7), С. 893 - 893
Опубликована: Март 26, 2025
Nanomaterials
have
demonstrated
significant
potential
in
enhancing
the
performance
and
functionality
of
composite
materials
across
various
industrial
applications.
This
review
delves
into
unique
properties
nanomaterials,
with
a
particular
focus
on
carbon-based
presents
key
findings
their
effectiveness
improving
performance.
The
study
emphasizes
specific
nano-based
materials,
highlighting
substantial
promise
advancing
field
nanocomposites.
Additionally,
it
addresses
challenges
associated
production
utilization
nanocomposite
discusses
solutions
to
overcome
these
obstacles.
concludes
recommendations
for
further
research
innovation
nanocomposites
fully
harness
advantages
advanced
broader
future
