Green Processing and Synthesis,
Год журнала:
2025,
Номер
14(1)
Опубликована: Янв. 1, 2025
Abstract
This
study
investigates
the
environmentally
friendly
synthesis
of
Fe₃O₄
nanoparticles
using
basil
leaf
extract
as
a
sustainable
precursor.
The
resulting
basil–Fe₃O₄
were
extensively
characterized
through
Fourier-Transform
infrared,
UV–Vis,
scanning
electron
microscopy,
energy-dispersive
spectroscopy,
X-ray
diffraction,
and
VSM
to
verify
their
structural,
morphological,
magnetic
properties.
Optical
analysis
showed
prominent
absorption
peak
at
263
nm
band
gap
energy
3.87
eV,
suggesting
its
potential
for
photocatalytic
applications.
catalytic
performance
basil–Fe
3
O
4
was
tested
in
2-benzylidene
malononitrile
derivatives
under
microwave
irradiation,
achieving
up
98%
purity
crystalline
form
across
12
examples
involving
aromatic
heteroaromatic
aldehydes
with
malononitrile.
catalyst
exhibited
excellent
reusability
minimal
loss
activity
over
several
cycles,
highlighting
greener
more
chemical
processes.
Additionally,
evaluated
degradation
Congo
red
dye,
an
impressive
97%
efficiency
UV
irradiation.
Kinetic
indicated
high
regression
coefficient
significant
reaction
rate
constant,
confirming
superior
activity.
limit
detection
quantification
determined
be
32.8
99.16
mg·L
−1
,
respectively,
affirming
method’s
sensitivity
reliability
detecting
dye.
Remarkably,
even
small
amount
(5%)
enabled
efficient
low
exposure,
showcasing
large-scale
wastewater
treatment.
dual
functionality
both
organic
environmental
remediation
highlights
promise
advancements
green
chemistry
treatment
Journal of the Chinese Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Abstract
WO
3
has
successfully
been
deposited
on
indium
tin
oxide
(ITO)
substrate
via
physical
vapor
deposition
(PVD)
technique,
and
X‐rays
diffraction
(XRD)
confirmed
the
of
a
thin
layer
that
is
orthorhombic.
The
XRD
linear
sweep
voltammetry
(LSV)
study
film
type
semiconductor
observed
it
to
be
an
n‐type
semiconductor.
scanning
electron
microscopy
(SEM)
revealed
uniform
porous
morphology
film,
particle
size
was
measured
34
nm
without
annealing.
Fourier
transform
infrared
(FTIR)
functional
group
vibration
(stretching,
compression)
broad
band
stretching
monoclinic
in
range
3200–3500
cm
−1
.
W‐O‐W
peak
noted
400–500
,
while
W‐O
recorded
700–900
furthermore,
minor
peaks
were
also
1400–1700
UV
spectroscopy
provided
absorbance
solar
spectrum
visible
beyond
400‐nm
wavelength.
maximum
(320
nm)
gradually
decreases
with
percentage
transmittance
at
wavelength
500‐nm
range,
which
88.67%.
gap
Tauc
plot
3.26
eV.
Electrochemical
impedance
(EIS)
small
curve
evidence
low
large
photocurrent.
photocurrent
from
LSV
measurement
0.51%
0.8
V,
quite
good
for
water‐splitting
applications.
hydrogen
generation
through
photoelectrochemical
(PEC)
water
splitting
found
have
average
rate
1743.09
mol
g
6
h.
Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Recent
developments
in
polymer
materials
have
led
to
an
increased
implementation
of
hydrogels
biomedical
settings,
especially
the
creation
smart
hydrogels.
Traditional
single‐network
often
exhibit
challenges,
such
as
poor
mechanical
strength,
insufficient
biocompatibility,
and
slow
response
rates.
To
address
these
issues,
researchers
introduced
Interpenetrating
Polymer
Network
(IPN)
hydrogels,
which
significantly
improve
strength
via
topological
entanglements
physical
interactions.
This
dual‐network
design
not
only
enhances
biocompatibility
but
also
responsiveness
stimuli,
endowing
with
distinctive
properties
like
cell
adhesion,
conductivity,
hemostatic
functions,
antioxidant
abilities,
color‐changing
properties.
The
purpose
this
article
is
elucidate
factors
that
trigger
stimuli
IPN
their
impacts
on
cellular
behavior,
various
applications
they
can
serve.
A
comprehensive
overview
provided
regarding
classification,
mechanisms,
performance
attributes,
related
subjects.
Ultimately,
review
emphasizes
promise
hold
fulfilling
increasing
need
for
innovative
improved
features
sector.
Journal of Microencapsulation,
Год журнала:
2025,
Номер
unknown, С. 1 - 27
Опубликована: Фев. 24, 2025
Gadolinium
(Gd)
nanoparticles
hold
significant
promise
in
medical
theranostics
due
to
their
unique
properties.
This
review
outlines
the
synthesis,
characterisation,
and
applications
of
Gd
nanostructures
combating
microbial
threats
advancing
cancer
theragnostic
strategies.
Synthesis
methods
such
as
co-precipitation,
microemulsion,
laser
ablation
are
discussed,
alongside
TEM,
SEM,
magnetic
characterisation.
The
antimicrobial
efficacy
nanostructures,
potential
combination
therapy,
promising
anticancer
mechanisms
explored.
Biocompatibility,
toxicity,
regulatory
considerations
also
evaluated.
Challenges,
future
perspectives,
emerging
trends
nanostructure
research
highlighted,
emphasising
transformative
applications.
Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(3)
Опубликована: Март 1, 2025
ABSTRACT
Electrochromic
energy
storage
devices
(EESDs)
have
emerged
as
innovative
technologies
in
and
smart
materials,
generating
considerable
interest
for
numerous
applications,
such
wearables,
windows,
color‐changing
sunglasses.
EESDs
consist
of
two
primary
categories:
electrochromic
supercapacitors
(ESCs)
batteries
(ECBs).
These
are
particularly
appreciated
their
multifunctional
features,
which
allow
them
to
alter
color
response
different
charge
densities.
The
performance
efficiency
rely
on
three
essential
components:
(I)
the
current
collector
or
substrate
(cc/substrate),
serves
conductive
base
device;
(II)
electrolyte,
supports
ion
movement
improves
overall
electrochemical
performance;
(III)
materials
(ECMs),
responsible
changes
functions.
Careful
selection
optimization
these
components
crucial
enhancing
devices'
efficiency,
stability,
lifespan.
Advanced
flexible
stretchable
shown
significant
potential.
Their
natural
flexibility
facilitates
seamless
incorporation
into
curved
surfaces
diverse
shapes,
making
especially
suitable
wearable
other
cutting‐edge
applications.
However,
this
also
brings
challenges,
including
concerns
related
delamination,
material
dissociation,
degradation
over
time.
A
thorough
investigation
is
progressing
conversion
systems.
Grasping
vital
creating
sustainable
solutions
improving
capabilities.
Nanomaterials,
Год журнала:
2025,
Номер
15(7), С. 534 - 534
Опубликована: Апрель 1, 2025
Maghemite
(γ-Fe2O3)
nanoparticles
have
attracted
considerable
interest
for
electronic
applications
due
to
their
tunable
electrical
properties.
Doping
strategies
offer
an
effective
way
optimize
resistive
behavior
use
in
devices.
In
this
study,
cobalt
(Co)
was
incorporated
into
γ-Fe2O3
enhance
its
X-ray
diffraction
(XRD)
confirmed
the
retention
of
cubic
P4332
phase,
with
Co
doping
inducing
subtle
lattice
distortions
ionic
substitution.
Scanning
and
transmission
electron
microscopy
(SEM/TEM)
revealed
morphological
changes,
where
incorporation
influenced
particle
shape
size
distribution.
Electrical
conductivity
analysis
demonstrated
a
decrease
both
AC
DC
increase
content,
indicating
enhanced
behavior.
The
activation
energy
suggests
reduction
charge
carrier
mobility,
leading
higher
resistivity.
Impedance
spectroscopy
further
increased
real
imaginary
impedance
values,
reinforcing
role
suppressing
transport.
These
results
position
cobalt-doped
maghemite
as
promising
material
devices,
such
resistors
negative
temperature
coefficient
(NTC)
thermistors,
controlled
stable
are
essential.