Journal of Materiomics,
Journal Year:
2023,
Volume and Issue:
9(6), P. 1242 - 1262
Published: Sept. 25, 2023
The
escalating
demand
for
micro/nano-sized
devices,
such
as
micro/nano-robots,
intelligent
portable/wearable
microsystems,
and
implantable
medical
microdevices,
necessitates
the
expeditious
development
of
integrated
microsystems
incorporating
energy
conversion,
storage,
consumption.
Critical
bottlenecks
in
microscale
storage/sensors
their
systems
are
being
addressed
by
exploring
new
technologies
materials,
e.g.,
MXene,
holding
great
potential
developing
lightweight
deformable
microdevices.
This
review
summarizes
latest
progress
milestones
realization
MXene-based
micro-supercapacitors
(MSCs)
sensor
arrays,
thus
discusses
design
fundamentals
key
advancements
conversion-storage-consumption
microsystems.
Finally,
we
outline
challenges
fabricating
MSCs/sensors
self-powered
which
is
crucial
practical
applications.
Particularly,
illuminate
viable
solutions
to
unsolved
issues
highlight
exciting
opportunities.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(20), P. 19403 - 19413
Published: Oct. 12, 2023
The
excessive
use
of
gatifloxacin
(GAT)
can
seriously
pollute
the
environment
and
damage
human
health.
Therefore,
reliable
detection
its
concentration
is
essential
for
environmental
protection
physical
Herein,
an
efficient
stable
voltammetric
sensor
based
on
zirconium-based
metal–organic
framework/carboxylated
multiwalled
nanotube
nanocomposites
(UiO-66/MWCNT-COOH)
was
constructed
determination
GAT.
morphologies,
microstructures,
electrochemical
properties
UiO-66/MWCNT-COOH
were
investigated
by
using
various
microscopic,
spectroscopic,
techniques.
showed
good
electrocatalytic
activity
GAT
oxidation
with
remarkable
response
signals,
which
primarily
attributed
to
synergistic
effect
from
UiO-66
MWCNT-COOH.
Electrochemical
kinetics
studies
revealed
that
irreversible
diffusion-limited
reaction
involving
two
protons
electrons.
anodic
peak
current
linearly
correlated
in
range
0.05
10
μM
a
low
limit
0.0075
μM.
Moreover,
demonstrated
high
selectivity,
reproducibility,
repeatability
as
well
extraordinary
long-term
stability
(at
least
7
weeks).
proposed
reliably
detected
trace
effluent,
milk,
serum,
eye
drops
satisfactory
recoveries.
Together
outstanding
merits
such
cost,
robust
response,
short
assay
time,
sensitivity,
shows
enormous
prospects
situ
multiple
antibiotics.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(18), P. 17040 - 17052
Published: Sept. 6, 2023
The
excessive
use
of
levofloxacin
(LEV)
can
lead
to
significant
environmental
pollution,
while
also
damaging
human
health.
accurate
detection
its
concentration
is
therefore
essential
protect
both
the
environment
and
Herein,
we
report
simple
synthesis
α-zirconium
phosphate
supported
on
nitrogen-doped
graphene
nanosheets
(α-ZrP/NG)
application
in
voltammetric
determination
trace
LEV
real
samples.
surface
morphology,
microstructure,
electrochemical
properties
α-ZrP/NG
were
investigated
by
microscopic
spectroscopic
techniques.
analytical
parameters,
including
accumulation
potential,
time,
loading
volume,
buffer
pH,
optimized
improve
electrocatalytic
sensing
performance
α-ZrP/NG.
Owing
synergetic
interaction
between
α-ZrP
NG,
proposed
sensor
exhibited
an
excellent
activity
for
electrical
oxidation
LEV.
In
range
0.01–5.0
μM,
anodic
peak
current
increased
linearly
with
increase
concentration,
limit
was
2.6
nmol
L–1.
Finally,
levels
wastewater,
serum,
milk,
eye
drop
samples
determined
using
system
combined
a
glassy
carbon
electrode
give
satisfactory
recoveries
(98.48–103.2%),
indicating
that
prepared
demonstrates
promise
environmental,
food,
drug
monitoring
applications.
Micromachines,
Journal Year:
2023,
Volume and Issue:
14(2), P. 247 - 247
Published: Jan. 18, 2023
The
first
two-dimensional
(2D)
substance
sparked
a
boom
in
research
since
this
type
of
material
showed
potential
promise
for
applications
field
sensors.
A
class
2D
transition
metal
nitrides,
carbides,
and
carbonitrides
are
referred
to
as
MXenes.
Following
the
2011
synthesis
Ti3C2
from
Ti3AlC2,
much
has
been
published.
Since
these
materials
have
several
advantages
over
conventional
materials,
they
extensively
researched,
synthesized,
studied
by
many
organizations.
To
give
readers
general
understanding
well-liked
review
examines
structures
MXenes,
discusses
various
procedures,
analyzes
physicochemistry
properties,
particularly
optical,
electronic,
structural,
mechanical
properties.
focus
is
analysis
modern
advancements
development
MXene-based
sensors,
including
electrochemical
gas
biosensors,
optical
wearable
Finally,
opportunities
challenges
further
study
on
creation
MXenes-based
sensors
discussed.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(23)
Published: Feb. 14, 2024
Abstract
Bioelectrode
is
critical
to
many
biomedical
researches.
However,
traditional
materials
(typically
noble
metals)
and
manufacturing
techniques
limit
the
large‐scale
production
of
bioelectrodes.
Herein,
a
fast
electrochemical
approach
proposed
deposit
versatile
MXene/polydopamine
(PDA)
composites
on
metalized
substrate.
PDA
coating
can
improve
adhesion
between
MXene
substrate,
while
provides
rough
surfaces
with
unique
micro/nanostructure
outstanding
electrical/optical/thermal
performance.
The
impedance
as‐prepared
bioelectrode
at
1
kHz
down
8.48
Ω
cm
2
.
corresponding
cathodic
charge
storage
capacity
(CSC
c
)
injection
(CIC)
are
up
≈250
6.59
mC
−2
respectively,
much
superior
that
bare
Pt
other
conventional
material‐based
electrodes.
MXene/PDA
also
demonstrate
robust
stability
under
continuous
electrostimulation
for
×
10
8
pulse
cycles
1000
CV
cycles.
Moreover,
show
high
rapid
photothermal
response.
Photoelectrochemical
activity
observed
photocurrent,
≈40
folds
larger
than
Pt.
utility
this
new
electrode
in
ascorbic
acid
sensing
demonstrated.
Excellent
biocompatibility
verified
via
neuron
test
viability
assay.
