International Journal of Modern Physics B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Incorporating
SiO
2
nanoparticles
(SNPs)
into
Poly(methyl
methacrylate)
(PMMA)
matrices
can
significantly
enhance
the
optical
and
microwave
shielding
properties
of
nanocomposite
thin
films.
In
this
study,
PMMA/SiO
films
(PSNTFs)
with
varying
concentrations
SNPs
(1–10[Formula:
see
text]wg%)
were
fabricated
using
solution
casting
method.
The
morphology
was
characterized
via
scanning
electron
microscopy
(SEM),
revealing
SNP
sizes
between
11.90[Formula:
text]nm
16.66[Formula:
text]nm.
Optical
absorption,
extinction
coefficient
conductivity
studied
in
ultraviolet-visible
(UV-Vis)
spectrum,
showing
a
marked
dependence
on
nanoparticle
concentration.
Additionally,
radiation
evaluated,
highlighting
potential
application
these
composites
electromagnetic
interference
(EMI)
shielding.
results
suggest
that
increasing
content
improves
efficiency,
positioning
materials
as
promising
candidates
for
advanced
optoelectronic
applications.
