Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(26), P. 8198 - 8207
Published: June 21, 2024
Responsive
luminescent
materials
that
reversibly
react
to
external
stimuli
have
emerged
as
prospective
platforms
for
information
encryption
applications.
Despite
brilliant
achievements,
the
existing
fluorescent
usually
low
density
and
experience
inevitable
loss
when
subjected
mechanical
damage.
Here,
inspired
by
hierarchical
nanostructure
of
proteins
in
jellyfish,
we
propose
a
self-healable,
photoresponsive
elastomer
based
on
dynamic
interface-anchored
borate
nanoassemblies
smart
dual-model
encryption.
The
rigid
cyclodextrin
molecule
restricts
movement
guest
molecules,
enabling
long
room-temperature
phosphorescence
(0.37
s)
excitation
wavelength-responsive
fluorescence.
building
reversible
interfacial
bonding
between
polymer
matrix
together
with
their
nanoconfinement
effect
endows
nanocomposites
excellent
performances
(tensile
strength
15.8
MPa)
superior
functional
recovery
capacities
after
Such
supramolecular
interfaces
enable
simultaneous
material
functionalization
self-healing,
paving
way
development
advanced
materials.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 27, 2024
Abstract
With
the
continuous
development
of
wearable
electronics,
wireless
sensor
networks
and
other
micro-electronic
devices,
there
is
an
increasingly
urgent
need
for
miniature,
flexible
efficient
nanopower
generation
technology.
Triboelectric
nanogenerator
(TENG)
technology
can
convert
small
mechanical
energy
into
electricity,
which
expected
to
address
this
problem.
As
core
component
TENG,
choice
electrode
materials
significantly
affects
its
performance.
Traditional
metal
often
suffer
from
problems
such
as
durability,
limits
further
application
TENG.
Graphene,
a
novel
material,
shows
excellent
prospects
in
TENG
owing
unique
structure
electrical
properties.
This
review
systematically
summarizes
recent
research
progress
TENGs
based
on
graphene
electrodes.
Various
precision
processing
methods
electrodes
are
introduced,
applications
electrode-based
various
scenarios
well
enhancement
performance
discussed.
In
addition,
future
also
prospectively
discussed,
aiming
promote
advancement
TENGs.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Feb. 27, 2024
Abstract
Flexible
sensors
based
on
MXene-polymer
composites
are
highly
prospective
for
next-generation
wearable
electronics
used
in
human–machine
interfaces.
One
of
the
motivating
factors
behind
progress
flexible
is
steady
arrival
new
conductive
materials.
MXenes,
a
family
2D
nanomaterials,
have
been
drawing
attention
since
last
decade
due
to
their
high
electronic
conductivity,
processability,
mechanical
robustness
and
chemical
tunability.
In
this
review,
we
encompass
fabrication
MXene-based
polymeric
nanocomposites,
structure–property
relationship,
applications
sensor
domain.
Moreover,
our
discussion
not
only
limited
design,
mechanism,
various
modes
sensing
platform,
but
also
future
perspective
market
throughout
world.
With
article,
intend
fortify
bond
between
matrices
MXenes
thus
promoting
swift
advancement
MXene-sensors
technologies.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: May 31, 2024
Abstract
The
rapid
development
of
the
Internet
Things
and
artificial
intelligence
technologies
has
increased
need
for
wearable,
portable,
self-powered
flexible
sensing
devices.
Triboelectric
nanogenerators
(TENGs)
based
on
gel
materials
(with
excellent
conductivity,
mechanical
tunability,
environmental
adaptability,
biocompatibility)
are
considered
an
advanced
approach
developing
a
new
generation
sensors.
This
review
comprehensively
summarizes
recent
advances
in
gel-based
TENGs
sensors,
covering
their
principles,
properties,
applications.
Based
requirements
working
mechanism
characteristic
advantages
gels
introduced.
Design
strategies
performance
optimization
hydrogel-,
organogel-,
aerogel-based
systematically
summarized.
In
addition,
applications
human
motion
sensing,
tactile
health
monitoring,
human–machine
interaction,
other
related
fields
Finally,
challenges
discussed,
feasible
proposed
to
guide
future
research.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(40)
Published: April 15, 2024
Abstract
Fiber‐based
multimodal
sensors
with
electrical/optical
signals
are
highly
desired
for
next‐generation
wearable
electronics.
Despite
the
remarkable
progress
in
this
area,
achieving
large‐scale
knittable,
washable,
and
self‐healing
performance
fiber‐based
simultaneously
remains
a
great
challenge.
Here,
smart
fiber
capable
of
exhibiting
piezoresistive/luminescent
properties
based
on
an
H‐bonding
connected
multilayered
core–shell
nanostructure
is
developed.
The
core
principle
design
involves
constructing
strong
interfacial
interactions
between
layers,
which
results
sensor
high
sensitivity
(gauge
factor
=
12383500),
exceptional
water
resistance,
robust
(tensile
strength
30.9
MPa,
healing
efficiency
72.9%).
Unlike
traditional
where
elaborate
nanostructures
prone
to
shedding
during
knitting,
strategy
enables
excellent
knittability
be
patterned
fabric,
improving
both
optical
electrical
sensitivities.
This
work
anticipated
make
significant
contribution
further
development
electronic
products
visual
human–computer
interaction
devices.
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
Abstract
The
capacity
of
biological
tissues
to
undergo
self‐healing
is
crucial
for
the
performance
functions
and
continuation
life.
Conventional
intrinsic
materials
demonstrate
analogous
functionality
depending
on
dissociation‐recombination
reversible
bonds
with
no
need
extra
repair
agents.
However,
trade‐off
relationship
between
mechanical
strength
kinetics
in
systems,
coupled
lack
additional
functionality,
restricts
their
service
life
practical
applications.
Diversified
highly
ordered
structures
organisms
significantly
affect
energy
dissipation
mechanism,
signal
transmission
efficiency,
molecular
network
reconstruction
capability
due
multi‐dimensional
differentiated
macroscopic
composite
constructions,
microscopic
orientation
textures,
topologies/bonding
types
at
level.
These
architectures
exhibit
distinctive
strengthening
mechanisms
functionalities,
which
provide
valuable
references.
This
review
aims
providing
current
status
advanced
biomimetic
internal
micro/nanostructures.
Through
highlighting
specific
examples,
classifications,
design
inspirations,
fabrication
strategies
these
newly
developed
based
integrating
dynamic
interactions
nano/microstructures
are
outlined.
Furthermore,
balance
mechanisms,
structure–functionalization
relationships,
potential
application
values
discussed.
concludes
a
perspective
challenges,
opportunities,
prospects
development,
application,
promotion
self‐healable
bio‐like
architectures.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(9), P. 2191 - 2205
Published: Jan. 1, 2024
A
healing
liquid-free
polyurethane-based
ionic
conductive
elastomer
(SS
50
DA
–LiTFSI
80%
)
with
high
mechanical
properties
and
conductivity
was
synthesized
by
combining
double
dynamic
covalent
bonding
non-covalent
interactions.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: April 2, 2024
Abstract
Mechanically
driven
light
generation
is
an
intriguing
phenomenon
holding
great
promise
in
various
fields.
However,
the
existing
mechanoluminescence
(ML)
materials
always
suffer
from
poor
self‐recoverability,
low
repeatability,
and
environmental
disturbance,
severely
hindering
their
practical
applications.
In
this
work,
a
self‐activating
ML
system
based
on
interfacial
triboelectrification
created
by
compositing
Ca
6
BaP
4
O
17
:0.02Ce
3+
powders
into
flexible
polydimethylsiloxane
(PDMS)
matrix.
With
no
need
for
pre‐irradiation,
composite
film
emits
self‐charging
simultaneously
response
to
rubbing
or
stretching
stimuli.
Accordingly,
/PDMS
exhibits
desirable
self‐recovery
repeatable
performance,
which
could
still
be
recorded
(or
observed
naked
eyes)
even
after
ca.
1000
cycles
with
fast
period
of
<
0.1
s.
Furthermore,
possesses
good
thermal
stability
temperature
range
298
473
K.
The
developed
applicable
fields,
dual‐mode
information
storage
photonic
skin
devices
are
as
representatives.
Compared
oxide‐based
(the
signal
disappears
only
several
tens
rapid
mechanics
cycles),
work
breaks
through
bottleneck
issues
stability,
significantly
advances
field.
