ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Triboelectric
nanogenerators
(TENGs)
have
garnered
significant
attention
for
mechanical
energy
harvesting,
self-powered
sensing,
and
human-machine
interaction.
However,
their
performance
is
often
constrained
by
materials
that
lack
sufficient
robustness,
self-healing
capability,
adaptability
to
environmental
extremes.
Eutectogels,
with
inherent
ionic
conductivity,
thermal
stability,
sustainability,
offer
an
appealing
alternative
as
flexible
TENG
electrodes,
yet
they
typically
suffer
from
weak
damage
endurance
insufficient
capability.
To
overcome
these
challenges,
here,
we
introduce
internal-external
dual
reinforcement
strategy
(IEDRS)
enhances
internal
bonding
dynamics
within
the
eutectogel
matrix,
composed
of
glycidyl
methacrylate
deep
eutectic
solvent,
integrates
plant-derived
lignin
external
reinforcer.
Notably,
resultant
eutectogel,
named
GLCL,
exhibits
collection
merits
including
superior
robustness
(1.53
MPa
tensile
stress
1.85
MJ/m
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Abstract
Healing
of
chronic
wounds
becomes
a
global
health
issue
due
to
increasing
incidence
and
associated
burdens,
therefore
promoting
tissue‐remodeling
monitoring
wound‐status
visually
are
particular
significance.
Herein,
an
electronic‐skin
patch
(TENG‐gel)
composed
by
polydimethylsiloxane/polytetrafluoroethylene
film,
eutectic
gallium–indium
(E‐GaIn),
quaternary
chitosan/polyacrylamide/sodium
alginate@molybdenum
disulfide
(MoS
2
)
nanosheet
(H
QPS
@MoS
composite
hydrogel
is
assembled
layer‐by‐layer.
First,
the
TENG‐gel
realizes
multimodal
antibacterial
integrating
peroxidase‐like
activity,
photothermal
therapy,
nano‐knife
effect,
which
eliminates
both
Gram‐positive/negative
bacteria
with
killing
ratio
above
95%.
Besides,
electrical
stimulation
generated
from
promotes
migration
fibroblasts
after
incubation
48
h
activating
signaling
pathways,
meanwhile
accelerates
vascularization
secreting
different
growth
factors
CD31,
VEGF,
TGF‐β.
Through
providing
ideal
microenvironment
for
tissue
repair,
achieves
1.6‐fold
new
hair
follicles
2.4‐fold
collagen
deposition
compared
those
control
group.
More
interestingly,
dual
temperature‐/strain‐sensing
performance
enables
capability
wound
status
or
reminding
external
danger
signals
in
real‐time
dependent
on
variational
signals.
Overall,
unique
advantages
such
smart
provide
personalized
medicine
strategy
realizing
reconstruction
synchronously.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Triboelectric
nanogenerators
(TENGs)
have
garnered
significant
attention
for
mechanical
energy
harvesting,
self-powered
sensing,
and
human-machine
interaction.
However,
their
performance
is
often
constrained
by
materials
that
lack
sufficient
robustness,
self-healing
capability,
adaptability
to
environmental
extremes.
Eutectogels,
with
inherent
ionic
conductivity,
thermal
stability,
sustainability,
offer
an
appealing
alternative
as
flexible
TENG
electrodes,
yet
they
typically
suffer
from
weak
damage
endurance
insufficient
capability.
To
overcome
these
challenges,
here,
we
introduce
internal-external
dual
reinforcement
strategy
(IEDRS)
enhances
internal
bonding
dynamics
within
the
eutectogel
matrix,
composed
of
glycidyl
methacrylate
deep
eutectic
solvent,
integrates
plant-derived
lignin
external
reinforcer.
Notably,
resultant
eutectogel,
named
GLCL,
exhibits
collection
merits
including
superior
robustness
(1.53
MPa
tensile
stress
1.85
MJ/m
