Semiconductor Science and Technology,
Journal Year:
2022,
Volume and Issue:
38(1), P. 015016 - 015016
Published: Nov. 25, 2022
Abstract
With
the
deterioration
of
our
environment,
it
is
imperative
to
develop
high-performance
photocatalysts
for
‘green’
environmental
protection.
In
this
work,
a
novel
TiO
2
/
α
′-AgVO
3
heterostructure
has
been
successfully
synthesized
by
straightforward
hydrothermal
method
photodegradation
Rhodamine
B
(RhB).
Specifically,
with
molar
ratio
4:1
displays
excellent
stability
and
outstanding
efficiency,
which
can
remove
94%
RhB
within
120
min
visible
light
irradiation.
The
free
radical
capture
experiments
demonstrate
that
h
+
·OH
act
as
pivotal
parts
in
RhB.
Additionally,
enhanced
photocatalytic
performance
mainly
attributed
appropriate
surface
areas,
broadened
range
adsorption,
more
photocarrier
generation,
effective
charge
separation.
This
research
reveals
an
efficient
photocatalyst
expected
be
applied
organic
sewage
degradation.
Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(4), P. 707 - 707
Published: Feb. 12, 2023
Acetaminophen
(AC)
is
one
of
the
most
popular
pharmacologically
active
substances
used
as
an
analgesic
and
antipyretic
drug.
Herein,
a
new
type
hollow
Fe3O4-rGO/GCE
electrode
was
prepared
for
electrochemical
detection
AC
through
three-step
approach
involving
solvothermal
method
synthesis
Fe3O4
chemical
reduction
graphene
oxide
(GO)
reduced
(rGO)
Fe3O4-rGO
nanocomposites
modified
on
glassy
carbon
(GCE)
surface.
The
as-prepared
were
characterized
using
transmission
electron
microscope
(TEM),
X-ray
diffraction
(XRD),
magnetic
measurement
system
(SQUID-VSM).
electrodes
employed
cyclic
voltammetry
(CV),
impedance
spectroscopy
(EIS),
square
wave
(SWV)
exhibited
ultra-high
selectivity
accuracy,
low
limit
0.11
µmol/L
with
wider
linear
range
from
5
×
10-7
to
10-4
mol/L,
high
recovery
between
100.52%
101.43%.
obtained
Fe3O4-rGO-modified
GCE
displays
great
practical
significance
in
drug
analysis.
Sensing and Bio-Sensing Research,
Journal Year:
2024,
Volume and Issue:
43, P. 100637 - 100637
Published: Feb. 1, 2024
The
silver
vanadate
AgVO@g-CN
was
synthesized
by
the
Co-precipitation
method
for
first
time.
electrocatalytic
potential
of
nanocomposite
is
investigated
using
cyclic
voltammetry
and
differential
pulse
to
detect
caffeine
(CAF).
linear
relationship
between
peak
current
CAF
concentration
has
been
determined
be
in
6.5
255
μM
wide
range,
with
a
lower
detection
limit
0.038
μM.
sensitivity
produced
electrode
5.87
μAμM−1
cm−1.
successful
application
modified
demonstrates
operational
stability,
novel
technique
displayed
good
repeatability
reproducibility.
Caffeine
levels
commercial
coffee,
Red
Bull,
Coca-Cola
were
successfully
proposed
sensor.
results
obtained
clearly
show
capability
sensing
possible
real-time
electrochemical
CAF.
Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
141(33)
Published: June 2, 2024
Abstract
The
fast
advancements
in
technology
have
generated
significant
interest
optoelectronic
materials.
Nevertheless,
the
difficulty
of
creating
affordable
materials
with
exceptional
optical
characteristics
is
an
ongoing
challenge.
Therefore,
objective
this
work
was
to
tune
properties
poly(methyl
methacrylate)
(PMMA)
by
embedding
silver
vanadate
(SV)
polymer
matrix.
Moreover,
wettability
test
fabricated
composite
membranes
showed
a
hydrophobic
behavior,
PMMA
film
containing
0.6
wt.%
SV
contact
angle
86.75
±
0.7°.
Furthermore,
high
thermal
stability
maximum
weight
loss
0.74%
at
830°C,
which
very
temperatures.
In
addition,
SV@PMMA
exhibited
96.7%
785°C.
lowest
indirect
band
gap
energy
(2.02
eV)
compared
other
films
and
pure
NPs.
findings
demonstrate
potential
synthesized
for
applications.
Results in Chemistry,
Journal Year:
2023,
Volume and Issue:
5, P. 100886 - 100886
Published: Jan. 1, 2023
The
fabrication
of
ternary
nanocomposite
is
crucial
since
a
multiphase
interface
provides
an
enormously
sensitive
and
selective
mechanism
for
the
individual
synchronized
electrochemical
assessment
medicines.
Here,
we
present
sensor
concomitantly
determining
drugs
acetaminophen
(AAP),
cytosine
(CTS),
phenylephrine
hydrochloride
(PPH)
using
Zn3V2O8/ZrO2@f-MWCNTs
nanocomposite.
At
probe,
used
CV
DPV
to
investigate
performance
several
modified
electrodes
found
that
nanocomposites
were
detecting
AAP,
CTS,
PPH
separately
simultaneously.
technique
yielded
electrooxidation
pinnacle
potentials
0.329,
1.276,
0.658
V
PPH,
respectively.
all
have
linear
responses
0.0055
435.6,
0.0094
365.5,
0.0098
134.8
μM,
composite
exhibited
stability,
repeatability,
reproducibility.
had
lower
detection
limits
0.00617,
0.00345,
0.00654
M,
Real
sample
analysis
with
Zn3V2O8/ZrO2@f-MWCNTs/GCE
useful
concurrent
in
pharmaceuticals,
calf
thymus
DNA,
human
serum
samples.
