ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(21), P. 27714 - 27727
Published: May 8, 2024
Rapid
and
accurate
quantification
of
metabolites
in
different
bodily
fluids
is
crucial
for
a
precise
health
evaluation.
However,
conventional
metabolite
sensing
methods,
confined
to
centralized
laboratory
settings,
suffer
from
time-consuming
processes,
complex
procedures,
costly
instrumentation.
Introducing
the
MXene/nitrogen-doped
electrochemically
exfoliated
graphene
(MXene@N-EEG)
nanocomposite
as
novel
biosensing
platform
this
work
addresses
challenges
associated
with
leveraging
concept
molecularly
imprinted
polymers
(MIP)
enables
highly
sensitive,
specific,
reliable
detection
metabolites.
To
validate
our
technology,
we
utilize
agmatine
significant
biologically
active
metabolite.
The
MIP
biosensor
incorporates
electrodeposited
Prussian
blue
nanoparticles
redox
probe,
facilitating
direct
electrical
signaling
binding
polymeric
matrix.
MXene@N-EEG
nanocomposite,
excellent
metal
conductivity
large
electroactive
specific
surface
area,
effectively
stabilizes
nanoparticles.
Furthermore,
increasing
content
agmatine-imprinted
cavities
on
electrode
enhances
sensitivity
biosensor.
Evaluation
designed
buffer
solution
plasma
samples
reveals
wide
linear
concentration
range
1.0
nM–100.0
μM
(R2
=
0.9934)
limit
0.1
nM.
Notably,
developed
microfluidic
offers
low
cost,
rapid
response
time
target
molecule
(10
min
sample
incubation),
good
recovery
results
detecting
samples,
acceptable
autonomous
performance
on-chip
detection.
Moreover,
its
high
reliability
position
MIP-based
promising
candidate
miniaturized
devices
potential
scalable
production
point-of-care
applications.
Nanomaterials,
Journal Year:
2022,
Volume and Issue:
12(20), P. 3708 - 3708
Published: Oct. 21, 2022
In
recent
years,
the
development
of
energy
storage
devices
has
received
much
attention
due
to
increasing
demand
for
renewable
energy.
Supercapacitors
(SCs)
have
attracted
considerable
among
various
their
high
specific
capacity,
power
density,
long
cycle
life,
economic
efficiency,
environmental
friendliness,
safety,
and
fast
charge/discharge
rates.
SCs
are
that
can
store
large
amounts
electrical
release
it
quickly,
making
them
ideal
use
in
a
wide
range
applications.
They
often
used
conjunction
with
batteries
provide
boost
when
needed
also
be
as
standalone
source.
potential
applications,
such
portable
equipment,
smart
electronic
systems,
electric
vehicles,
grid
systems.
There
variety
materials
been
studied
SC
electrodes,
each
its
advantages
limitations.
The
electrode
material
must
surface
area
volume
ratio
enable
densities.
Additionally,
highly
conductive
efficient
charge
transfer.
Over
past
several
novel
developed
which
improve
capacitance
SCs.
This
article
reviews
three
types
SCs:
electrochemical
double-layer
capacitors
(EDLCs),
pseudocapacitors,
hybrid
supercapacitors,
respective
development,
mechanisms,
latest
research
progress
preparation
modification.
addition,
proposes
potentially
feasible
solutions
problems
encountered
during
supercapacitors
looks
forward
future
direction
Nanoscale Advances,
Journal Year:
2023,
Volume and Issue:
5(12), P. 3146 - 3176
Published: Jan. 1, 2023
Supercapacitors
have
gained
significant
attention
owing
to
their
exceptional
performance
in
various
applications,
such
as
mobile
devices,
electric
vehicles,
and
renewable
energy
storage
systems.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(2), P. 1284 - 1303
Published: Jan. 1, 2024
Graphene,
the
most
fascinating
2D
form
of
carbon
with
closely
packed
atoms
arranged
in
a
layer,
needs
more
attention
various
fields.
For
its
unique
electrical,
mechanical,
and
chemical
properties
large
surface
area,
graphene
has
been
limelight
since
first
report.
Graphene
extraordinary
properties,
making
it
promising
electrode
component
for
applications
supercapacitors.
However,
persistent
re-stacking
layers
graphene,
caused
by
firm
interlayer
van
der
Waals
attractions,
significantly
impairs
performance
As
result,
many
strategies
have
used
to
get
around
aforementioned
problems.
The
utilization
graphene-based
nanomaterials
implemented
surmount
constraints
considerably
enhance
This
review
highlights
recent
progress
metal
oxide,
sulfides,
phosphides,
nitrides,
carbides,
conducting
polymers,
focusing
on
their
synthetic
approach,
configurations,
electrochemical
It
discusses
new
possibilities
that
could
increase
next-generation
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(6), P. 4651 - 4682
Published: Feb. 2, 2024
MXenes
have
shown
great
potential
for
micro-supercapacitors
(MSCs)
due
to
the
high
metallic
conductivity,
tunable
interlayer
spacing
and
intercalation
pseudocapacitance.
In
particular,
negative
surface
charge
hydrophilicity
of
make
them
suitable
various
solution
processing
strategies.
Nevertheless,
a
comprehensive
review
MXene
MSCs
has
not
been
conducted.
this
review,
we
present
summary
state-of-the-art
in
terms
ink
rheology,
microelectrode
design
integrated
system.
The
formulation
rheological
behavior
different
strategies,
which
are
essential
quality
printed/coated
films,
presented.
effects
its
compounds,
3D
electrode
structure,
asymmetric
on
electrochemical
properties
discussed
detail.
Equally
important,
summarize
system
intelligent
applications
current
challenges
prospects
development
high-performance
MSCs.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 12, 2024
Abstract
While
MXene
is
widely
used
as
an
electrode
material
for
supercapacitor,
the
intrinsic
limitation
of
stacking
caused
by
interlayer
van
der
Waals
forces
has
yet
to
be
overcome.
In
this
work,
a
strategy
proposed
fabricate
composite
scaffold
(MCN)
intercalating
with
highly
nitrogen‐doped
carbon
nanosheets
(CN).
The
2D
structured
CN,
thermally
converted
and
pickling
from
Zn‐hexamine
(Zn‐HMT),
serves
spacer
that
effectively
prevents
contributes
hierarchically
scaffolded
structure,
which
conducive
ion
movement;
meanwhile,
high
nitrogen‐doping
CN
tunes
electronic
structure
MCN
facilitate
charge
transfer
providing
additional
pseudocapacitance.
As
result,
MCN50
achieves
specific
capacitance
418.4
F
g
−1
at
1
A
.
assembled
symmetric
supercapacitor
delivers
corresponding
power
density
1658.9
W
kg
energy
30.8
Wh
all‐solid‐state
zinc
demonstrates
superior
68.4
403.5
shows
retention
93%
after
8000
charge‐discharge
cycles.
This
study
sheds
new
light
on
design
development
novel
MXene‐based
electrodes
performance
supercapacitor.
