Coatings,
Год журнала:
2024,
Номер
14(10), С. 1260 - 1260
Опубликована: Окт. 1, 2024
Fabrication
aspects
of
PdO
thin
films
and
coatings
are
reviewed
here.
The
work
provides
organizes
the
up-to-date
information
on
methods
to
obtain
films.
In
recent
years,
interest
in
Pd
oxide
for
different
applications
has
increased.
Since
can
be
converted
into
PdO,
it
is
instructive
pay
attention
preparation
pure
alloyed
films,
heterostructures,
nanoparticles
synthesized
substrates.
development
presented
from
early
reports
coatings’
formation
by
oxidation
foils
wires
present
technologies.
Modern
synthesis/growth
routes
gathered
chemical
physical
categories.
Chemical
include
hydrothermal,
electrochemical,
electroless
deposition,
coating
methods,
such
as
impregnation,
precipitation,
screen
printing,
ink
jet
spin
or
dip
coating,
vapor
deposition
(CVD),
atomic
layer
(ALD),
while
ones
sputtering
cathodic
arc
laser
ablation,
ion
electron
beam-induced
evaporation,
supersonic
cluster
beam
deposition.
Analysis
publications
indicates
that
many
as-deposited
Pd-oxide
granular,
with
a
high
variety
morphologies
properties
targeting
very
applications,
they
grown
We
note
comparative
assessment
challenges
quality
among
specific
application
generally
missing
and,
some
cases,
difficult
make
distinction
between
film
randomly
oriented,
powder-like
(granular),
compact
material.
Textured
epitaxial
rare
if
orientation
observed,
most
obtained
accidentally.
Some
practical
details
toward
issues
concerning
also
presented.
Nanomaterials,
Год журнала:
2025,
Номер
15(5), С. 328 - 328
Опубликована: Фев. 20, 2025
This
study
explores
the
green
synthesis
of
silver
nanoparticles
(AgNPs)
using
Cymbopogon
citratus
(lemongrass)
extract
as
a
reducing
agent.
Synthesis
was
confirmed
by
color
change
(light
yellow
to
dark
brown)
under
optimal
conditions:
1.50
mM
nitrate,
3.5%
v/v
extract,
at
100
°C,
with
pH
9,
and
for
60
min.
The
AgNPs
exhibited
spherical
morphology,
hydrodynamic
diameter
135.41
±
49.30
nm,
zeta
potential
-29.9
1.4
mV,
crystalline
structure,
minimal
aggregation.
showed
significant
antibacterial
activity,
particularly
>20
µg/well,
zones
inhibition
varying
bacterial
strain.
In
vitro
studies
demonstrated
anti-inflammatory,
antidiabetic
(α-glucosidase
α-amylase
inhibition),
antioxidant
activities,
outperforming
plant
nearing
standard
efficacy
higher
concentrations.
Cyto-toxicity
indicated
that
were
less
toxic
than
doxorubicin
but
concentration-dependent
effects
on
cancerous
non-cancerous
cells.
Eco-toxicity
assays
revealed
acutely
controls
posed
risks
prolonged
exposure.
work
highlights
eco-friendly
their
in
biomedical
applications,
demonstrating
activities.
Eng—Advances in Engineering,
Год журнала:
2025,
Номер
6(5), С. 102 - 102
Опубликована: Май 19, 2025
This
study
investigates
the
catalytic
potential
of
silver
nanoparticles
(AgNPs)
synthesized
using
aqueous
Cymbopogon
citratus
(lemongrass)
extract
for
degradation
toxic
textile
dyes,
offering
an
eco-friendly
solution
to
industrial
wastewater
treatment.
The
green-synthesized
AgNPs
demonstrated
remarkable
efficiency
(>94%)
multiple
such
as
rhodamine
B,
methyl
red,
orange,
methylene
blue,
eosin
yellow,
and
Eriochrome
black
T,
in
presence
sodium
borohydride.
Optimization
studies
employing
a
one-factor-at-a-time
approach
revealed
critical
influence
reductant
concentration,
temperature,
pH.
Kinetic
analysis
confirmed
pseudo-first-order
behavior.
Reactive
species
scavenging
experiments
established
that
hydroxyl
radicals
holes
played
dominant
roles
mechanism.
Notably,
retained
activity
across
eight
reuse
cycles
with
negligible
performance
loss,
demonstrating
strong
repeated
application.
Comparative
data
from
literature
highlights
superior
C.
citratus-derived
terms
reaction
rate
efficiency.
work
underscores
value
plant-extract-mediated
synthesis
not
only
its
environmental
compatibility
but
also
effectiveness.
advances
practical
applicability
green
nanotechnology
remediation
supports
integration
into
sustainable
practices.
