Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(20)
Published: April 15, 2022
High-performance
flexible
pressure
sensors
have
attracted
a
great
deal
of
attention,
owing
to
its
potential
applications
such
as
human
activity
monitoring,
man-machine
interaction,
and
robotics.
However,
most
high-performance
are
complex
costly
manufacture.
These
cannot
be
repaired
after
external
mechanical
damage
lack
tactile
feedback
applications.
Herein,
sensor
based
on
MXene/polyurethane
(PU)/interdigital
electrodes
is
fabricated
by
using
low-cost
universal
spray
method.
The
sprayed
MXene
the
spinosum
structure
PU
other
arbitrary
substrates
(represented
polyimide
membrane
filter)
act
sensitive
layer
interdigital
electrodes,
respectively.
shows
an
ultrahigh
sensitivity
(up
509.8
kPa-1
),
extremely
fast
response
speed
(67.3
ms),
recovery
(44.8
good
stability
(10
000
cycles)
due
interaction
between
electrodes.
In
addition,
hydrogen
bond
endows
device
with
self-healing
function.
can
also
integrated
circuit,
which
realize
This
MXene-based
sensor,
along
designing/fabrication,
expected
widely
used
in
detection,
electronic
skin,
intelligent
robots,
many
aspects.
Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
30(49)
Published: Sept. 9, 2020
Abstract
Similar
to
graphene
and
black
phosphorus
(BP),
2D
transition
metal
carbides
nitrides
(MXenes)
are
of
great
interest
in
a
variety
fields,
such
as
energy
storage
conversion,
sensors,
electromagnetic
interference
(EMI)
shielding,
photothermal
therapy
due
their
excellent
conductivity
hydrophilicity,
large
specific
capacitance,
high
effect,
superior
electrochemical
performance.
To
further
broaden
applicable
ranges
beyond
existing
boundaries
fully
exploit
these
potentials,
functional
MXene
nanostructures
recent
years
have
been
rationally
designed
developed
by
various
approaches,
doping
strategies,
surface
functionalization,
hybridization,
for
next‐generation
devices
with
the
merits
low
power
consumption,
intelligence,
high‐integration
chips.
This
review
provides
an
overview
synthetic
routes
fundamental
properties
nanostructures,
including
surface‐modified
MXenes
mixed‐dimensional
MXene‐based
heterostructures,
highlights
state‐of‐the‐art
progress
applications
regard
catalysis,
photodetectors,
EMI
degradation,
biomedical
applications,
presents
challenges
perspectives
burgeoning
fields.
It
is
hoped
that
this
will
inspire
more
efforts
toward
research
on
new
satisfy
growing
requirements
systems.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
32(38)
Published: Aug. 10, 2020
MXenes
are
recently
discovered
2D
nanomaterial
with
superior
mechanical,
thermal,
and
tribological
properties,
being
commonly
employed
in
a
wide
variety
of
critical
research
areas,
ranging
from
cancer
therapy
to
energy
environmental
applications.
Due
their
special
such
as
mechanoceramic
nature
excellent
mechanical
performance,
thermal
stability
rich
surface
have
tremendous
potential
advanced
composite
structures,
especially
those
based
on
polymers
due
great
affinity
between
macromolecules
the
terminating
groups
MXenes.
been
extensively
explored
metal
matrix
nanocomposites
well
solid-
or
liquid-based
lubrication
systems
owing
structure
antifriction
characteristics.
The
purpose
this
paper
is
provide
comprehensive
insight
into
material,
properties
MXene
nanolayers
discussions
recent
advancements
attained
MXene-reinforced
starting
synthesis,
fabrication
techniques,
intricacies
underlying
physics
mechanisms,
finally
focusing
progress
computational
studies.
This
analysis
MXene-based
composites
will
stimulate
an
emerging
field
innumerable
opportunities
ample
potentials
produce
newfangled
materials
structures
targeted
properties.
ACS Nano,
Journal Year:
2021,
Volume and Issue:
15(1), P. 954 - 965
Published: Jan. 15, 2021
Although
the
physicochemical
properties
of
niobium
carbide
(Nb2C)
have
been
widely
investigated,
their
exploration
in
field
photoelectronics
is
still
at
infancy
stage
with
many
potential
applications
that
remain
to
be
exploited.
Hence,
it
demonstrated
here
few-layer
Nb2C
MXene
can
serve
as
an
excellent
building
block
for
both
photoelectrochemical-type
photodetectors
(PDs)
and
mode-lockers.
We
show
photoresponse
performance
readily
adjusted
by
external
conditions
NSs
exhibit
a
great
narrow-band
PDs.
The
mechanism
was
further
confirmed
work
functions
predicted
density
functional
theory
calculations.
In
addition,
optical
switch
passively
mode-locked
fiber
lasers,
ultrastable
pulses
telecommunication
mid-infrared
regions
MXene,
high
69th
harmonic
order
411
MHz
center
wavelength
1882
nm
achieved.
These
intriguing
results
indicate
nanosheets
used
blocks
various
photoelectronic
devices,
broadening
application
prospects
two-dimensional
MXenes.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(27)
Published: April 23, 2021
Abstract
As
a
new
2D
material,
MXene
(Ti
3
C
2
T
x
)
shows
great
potential
as
smart
multifunctional
humidity‐responsive
actuator
due
to
its
high
hydrophilicity
and
conductivity
but
suffers
from
ambient
oxidation
mechanical
brittleness.
Inspired
by
the
mussels,
authors
overcome
these
weaknesses
designing
fabricating
nacre‐like
lamellar‐structured
composite
film
that
consists
of
polydopamine‐modified
bacterial
cellulose
nanofibers,
which
improved
properties
moisture‐driven
actuator.
The
has
(2848
S
cm
–1
),
excellent
tensile
strength
(406
MPa),
toughness
(15.3
MJ
m
–3
).
Moreover,
is
highly
sensitive
moisture
with
advantages
fast
response
(1.6
s),
large
deformation
(176°),
actuation
force
output
(6.5
N
–2
It
additionally
demonstrated
works
electrical
switch,
robotic
arm,
motor
in
manner.
Overall,
it
believed
this
work
improves
drawbacks
current
MXene‐based
actuators,
laying
groundwork
for
their
wider
applications
devices.
Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(44), P. 27154 - 27161
Published: Oct. 21, 2020
Significance
The
obstacles
limiting
the
practical
applications
of
promising
titanium
carbide
MXene
macroscopic
sheets
are
poor
mechanical
and
oxidation-resistant
properties.
Herein,
we
demonstrate
strong
highly
electrically
conductive
through
sequential
bridging
hydrogen
ionic
bonding,
also
achieving
high
shielding
efficiency
excellent
fatigue
oxidation
resistance.
synergistic
strengthening
toughening
mechanism
was
thoroughly
revealed
by
experiments
molecular
dynamics
simulations.
proposed
strategy
in
this
article
provides
an
avenue
for
assembling
high-performance
materials
having
potential
flexible
electronic
devices
aerospace
near
future.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(10)
Published: Jan. 18, 2021
Abstract
Since
their
discovery
in
2011,
MXenes
(abbreviation
for
transition
metal
carbides,
nitrides,
and
carbonitrides)
have
emerged
as
a
rising
star
the
family
of
2D
materials
owing
to
unique
properties.
Although
primary
research
interest
is
still
focused
on
pristine
composites,
much
attention
has
recent
years
been
paid
also
with
diverse
compositions.
To
this
end,
work
offers
comprehensive
overview
progress
compositional
engineering
terms
doping
substituting
from
theoretical
predictions
experimental
investigations.
Synthesis
properties
are
briefly
introduced
then
reviewed
hetero‐MXenes.
Theoretical
calculations
regarding
doping/substituting
at
M,
X,
T
sites
role
vacancies
summarized.
After
discussing
synthesis
hetero‐MXenes
metal/nonmetal
(N,
S,
P)
elements
by
situ
ex
strategies,
focus
turns
emerging
applications
various
fields
such
energy
storage,
electrocatalysts,
sensors.
Finally,
challenges
prospects
addressed.
It
anticipated
that
review
will
be
beneficial
bridge
gap
between
experiments
well
guide
future
design
high
performance.
