Energy Technology,
Journal Year:
2023,
Volume and Issue:
12(3)
Published: Dec. 24, 2023
The
design
of
high‐energy‐density
device
electrodes
has
garnered
significant
attention
but
remains
a
challenging
task.
This
study
proposes
an
effective
strategy
for
constructing
ternary
composite
material
(WO
3
/V
2
O
5
/CC‐
n
,
=
1,
2,
3).
Utilizing
V
as
precursor,
highly
efficient
electrode
/CC‐2)
with
3D
nanowire
structure
is
designed.
results
demonstrate
that
the
WO
/CC‐2
exhibits
enhanced
capacitive
performance
specific
capacity
(495.6
F
g
−1
at
1
A
)
and
remarkable
electrochemical
stability
even
after
5000
cycles.
Furthermore,
kinetics
analysis
reveals
charge
stored
on
primarily
attributed
to
surface
effects
diffusion‐controlled
insertion
processes.
facile
preparation
method
derived
from
holds
excellent
potential
new‐generation
energy‐storage
devices
superb
capacitance
performance.
Electrochemistry Communications,
Journal Year:
2024,
Volume and Issue:
162, P. 107686 - 107686
Published: March 6, 2024
In
quantifying
NH3
and/or
NH4+
ions,
the
wavelength-based
spectrochemical
methods
involving
formation
of
colored
products
Berthelot's
or
Nessler
reactions
might
be
challenging
due
to
auto-self
absorbance,
spectral
overlap,
and
background
scattering
noise.
Thus,
current
study
reports
a
renewable
glassy
carbon
electrode
(GCE)
sensing
probe
combined
with
reaction
(indophenol
formation)
adsorptive
square
-
wave-anodic
stripping
voltammetry
(Ads
SWSV)
at
pH
=
10
for
detection
in
water.
The
redox
characteristics
high
surface
coverage
oxidation
product
indophenol
on
platform
suggested
its
use
detection.
electrochemical
displayed
good
linear
relationship
between
5.56
nM
55.6
μM
limits
(LOD)
quantitation
(LOQ)
4.83
×
10-9
1.47
10-8
M,
sensitivity
1.27μA/μM−1
cm−2,
respectively.
was
applied
measuring
NH3/NH4+
fresh
seawater
samples,
results
were
validated
using
standard
ion
chromatography
(IC)
micro
spectrophotometry
assays.
assembled
also
tolerably
selective
against
interfering
other
contaminants
comparable
potential
window.
Additionally,
has
exceptional
selectivity,
long-term
stability,
repeatability,
capacity
detect
ions
accuracy
(recovery
range
97.14
±
4.12–102.9
4.7)
environmental
water
samples.
calculated
Student
texp
Fexp
values
(n
5)
less
than
tabulated
ttab
(2.78)
Ftab
(6.39)
95
%
probability
(P
0.05,
n
5).
offer
reliability
towards
complex
environments.
Chemosensors,
Journal Year:
2024,
Volume and Issue:
12(11), P. 234 - 234
Published: Nov. 11, 2024
The
rapidly
increasing
human
population
has
led
to
new
biological
and
environmental
challenges.
These
challenges,
in
turn,
have
contributed
the
rapid
growth
of
pharmaceutical
sector.
Quality
control
manufacturing
drug
delivery
necessitates
portable,
sensitive,
precise,
cost-effective
devices
monitor
patient
dosing
assess
hazards.
This
study
highlights
attributes
applications
current
nanomaterial-based
sensors
for
detection,
emphasizing
potential
these
advance
detection
bioactive
molecules,
thereby
promoting
health
protection
on
a
large
scale.
Electrochemical
sensors,
particular,
become
invaluable
bioimaging,
electrochemical
analysis,
due
their
high
specificity,
selectivity,
stability
across
cycles.
review
focuses
recent
advancements
healthcare
applications,
detailing
production,
analytical
performance,
clinical
uses.
