ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(20), С. 12808 - 12822
Опубликована: Окт. 12, 2024
Conductive
organogels
are
considered
ideal
materials
for
the
fabrication
of
flexible
wearable
electronic
devices.
However,
simultaneous
realization
epidermal
devices
with
excellent
self-healing,
self-adhesion,
multienvironment
tolerance,
and
superior
sensing
performance
remains
a
formidable
challenge.
In
this
study,
multiperformance
conductive
organogel
was
synthesized
via
one-step
photopolymerization
acrylic
acid
(AA)
acrylamide
(AAm)
in
an
H2O/glycerol
(Gly)
solution
comprising
gelatin
Al3+
ions,
utilizing
zinc
dimethacrylate
(ZDMA)
containing
Zn2+-carboxyl
coordination
bonds
as
ionic
cross-linker.
The
physical
cross-linked
gelatin/P(AA-co-AAm-co-ZDMA)/Al3+
formed
through
synergistic
effects
multiple
hydrogen
bonding,
dual
bonds,
entanglement
among
diverse
macromolecular
chains.
prepared
exhibited
toughness
(387
kPa),
significant
self-healing
ability
(633%
strain
healed
organogel),
prominent
moisture
retention
(weight
80%
after
15
days),
remarkable
long-term
temperature
resistance.
Without
sealed
packaging,
maintained
mechanical
properties
even
exposure
to
different
temperatures
(−30
°C,
20
50
°C)
durations
15,
7
days,
respectively.
sensor
based
on
sensitivity
(gauge
factor,
GF
=
3.36),
outstanding
signal
stability
(600
cycles
at
60%
strain),
precise
monitoring
underwater
motion.
wireless
heart
system
integrated
affixed
left
chest
volunteers
real-time
detection
minute
human
electrocardiograph
(ECG)
signals.
More
notably,
pronounced
alteration
transmittance
upon
water
glycerol,
rendering
it
suitable
application
reusable
writing
paper
recording
erasing
information.
multifunctional
exhibits
great
promise
development
future
electronics
enhanced
environmental
adaptability.
Biosensors,
Год журнала:
2025,
Номер
15(1), С. 37 - 37
Опубликована: Янв. 10, 2025
Self-healing
triboelectric
nanogenerators
(TENGs),
which
incorporate
self-healing
materials
capable
of
recovering
their
structural
and
functional
properties
after
damage,
are
transforming
the
field
artificial
skin
by
effectively
addressing
challenges
associated
with
mechanical
damage
degradation.
This
review
explores
latest
advancements
in
TENGs,
emphasizing
material
innovations,
designs,
practical
applications.
Key
include
dynamic
covalent
polymers,
supramolecular
elastomers,
ion-conductive
hydrogels,
provide
rapid
recovery,
superior
strength,
stable
electrical
performance.
Innovative
configurations,
such
as
layered
encapsulated
optimize
efficiency
enhance
environmental
adaptability.
Applications
span
healthcare,
human-machine
interfaces,
wearable
electronics,
demonstrating
immense
potential
for
tactile
sensing
energy
harvesting.
Despite
significant
progress,
remain
scalability,
long-term
durability,
multifunctional
integration.
Future
research
should
focus
on
advanced
development,
scalable
fabrication,
intelligent
system
integration
to
unlock
full
TENGs.
provides
a
comprehensive
overview
current
achievements
future
directions,
underscoring
pivotal
role
TENGs
technology.
Biomimetics,
Год журнала:
2024,
Номер
9(5), С. 278 - 278
Опубликована: Май 7, 2024
Biomimetic
materials
have
become
a
promising
alternative
in
the
field
of
tissue
engineering
and
regenerative
medicine
to
address
critical
challenges
wound
healing
skin
regeneration.
Skin-mimetic
enormous
potential
improve
outcomes
enable
innovative
diagnostic
sensor
applications.
Human
skin,
with
its
complex
structure
diverse
functions,
serves
as
an
excellent
model
for
designing
biomaterials.
Creating
effective
coverings
requires
mimicking
unique
extracellular
matrix
composition,
mechanical
properties,
biochemical
cues.
Additionally,
integrating
electronic
functionality
into
these
presents
exciting
possibilities
real-time
monitoring,
diagnostics,
personalized
healthcare.
This
review
examines
biomimetic
their
role
healing,
well
integration
technologies.
It
discusses
recent
advances,
challenges,
future
directions
this
rapidly
evolving
field.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 10, 2024
Abstract
In
the
era
of
Internet
Things
(IoT)
and
Artificial
Intelligence
(AI),
sensors
have
become
an
integral
part
intelligent
systems.
Although
traditional
sensing
technology
is
very
mature
in
long‐term
development,
there
are
remaining
defects
limitations
that
make
it
difficult
to
meet
growing
demands
current
applications,
such
as
high‐sensitivity
detection
self‐supplied
sensing.
As
a
new
type
sensor,
array
triboelectric
nanogenerators
(TENG)‐based
tactile
can
respond
wide
dynamic
range
mechanical
stimuli
surrounding
environment
converting
them
into
quantifiable
electrical
signals,
thus
realizing
real‐time
The
structure
allows
for
fine
delineation
area
improved
spatial
resolution,
resulting
accurate
localization
quantification
detected
been
widely
used
wearable
devices,
smart
interaction,
medical
health
detection,
other
fields.
this
paper,
latest
research
progress
functional
based
on
arrayed
systematically
reviewed
from
aspects
working
mechanism,
material
selection,
processing,
structural
design,
integration,
application.
Finally,
challenges
faced
by
summarized
with
view
providing
inspiration
guidance
future
development
sensors.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Abstract
The
application
of
self‐healing
superhydrophobic
triboelectric
nanogenerators
(TENGs)
is
currently
limited
by
their
poor
wear
resistance,
which
stems
from
reliance
on
nano/microscale
hierarchical
structures.
Drawing
inspiration
corals,
this
study
presents
the
development
ultra‐wear‐resistant
TENGs
with
sub‐zero
temperature
capability
(USSS‐TENGs)
incorporating
rationally
designed
hydrophobic
polyurethane
(SFPU)
and
poly(vinylidene
fluoride)
nanoparticles
(PVDF
NPs)
into
iron
foams.
rigid
protruding
structures
foams
protect
incorporated
SFPU–PVDF
NPs
composites
preferentially
making
contact
bearing
stress
foreign
objects.
This
innovative
design
enables
USSS‐TENGs
to
maintain
superhydrophobicity
after
repeated
sandpaper
abrasion,
knife
scratching,
even
car
transit,
demonstrating
a
superior
resistance
compared
other
materials.
Furthermore,
driven
free
energy
minimization,
migration
SFPU
damaged
areas
self‐heal
at
−30
°C,
underwater,
in
vacuum.
Owing
outstanding
superhydrophobicity,
show
great
potential
as
smart
roofs
floor
tiles,
capable
providing
stable
durable
electricity
generation
processes
such
precipitation,
human
walking/jumping,
vehicle
movement.
has
not
been
previously
reported
for
TENGs,
irrespective
properties.
