Materials Horizons,
Год журнала:
2023,
Номер
10(10), С. 4510 - 4520
Опубликована: Янв. 1, 2023
Flexible
pressure
sensors
with
high
sensitivity
are
required
in
fields
such
as
human-machine
interactions,
electronic
skin,
and
health
tracking.
In
this
work,
we
reported
cellulose
ion-conductive
hydrogel
(ICH)
rationally
designed
from
both
nano
micron
perspectives
for
ultrasensitive
sensors,
via
a
zero-waste
approach,
without
involving
soft
components.
By
introducing
low
molecular
weight
using
the
idea
of
rough
surface,
piezocapacitive
ICH
was
increased
0.04
kPa-1
to
89.81
increments
2245,
which
also
has
degree
transparency,
excellent
durability,
good
electrical
transmission.
Moreover,
demonstrated
great
potential
arrays
practicable
various
industries,
including
medical
treatment
motion
recognition.
The
design
is
applicable
piezoresistive
tactile
realize
enhanced
sensitivity.
This
affordable,
effective,
environmentally
friendly
technology
definitely
offers
novel
enhance
functionality
flexible
sensors.
Polymer-based
hydrogels
are
hydrophilic
polymer
networks
with
crosslinks
widely
applied
for
drug
delivery
applications
because
of
their
ability
to
hold
large
amounts
water
and
biological
fluids
control
release
based
on
unique
physicochemical
properties
biocompatibility.
Current
trends
in
the
development
hydrogel
systems
involve
drugs
response
specific
triggers
such
as
pH,
temperature,
or
enzymes
targeted
reduce
potential
systemic
toxicity.
In
addition,
developing
injectable
formulations
that
easily
used
sustain
during
this
extended
time
is
a
growing
interest.
Another
emerging
trend
synthesis
nano
other
functional
substances
improving
loading
efficacy.
Following
these
trends,
advanced
possessing
mechanically
improved
properties,
controlled
rates,
biocompatibility
focus
field.
More
complex
multi-drug
combination
therapies
will
be
developed
advancements.
polymer-based
gaining
increasing
attention
personalized
medicine
tailored
patient,
example,
combinations,
target-specific
delivery,
improvement
disease
treatment
effectiveness,
healthcare
cost
reduction.
Overall,
application
advancing
rapidly,
towards
more
efficient
effective
future.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(46)
Опубликована: Окт. 4, 2023
Smart
fluorescent
materials
that
can
respond
to
environmental
stimuli
are
of
great
importance
in
the
fields
information
encryption
and
anti-counterfeiting.
However,
traditional
usually
face
problems
such
as
lack
tunable
fluorescence
insufficient
surface-adaptive
adhesion,
hindering
their
practical
applications.
Herein,
inspired
by
glowing
sucker
octopus,
we
present
a
novel
strategy
fabricate
reversible
eutectogel
with
high
transparency,
adhesive
self-healing
performance
for
conformal
Using
anthracene
luminescent
unit,
exhibits
photoswitchable
therefore
be
reversibly
written/erased
patterns
non-contact
stimulation.
Additionally,
different
from
mechanically
irreversible
adhesion
via
glue,
adhere
various
irregular
substrates
over
wide
temperature
range
(-20
65
°C)
conformally
deform
more
than
1000
times
without
peeling
off.
Furthermore,
exploiting
transparency
good
stretchability
eutectogel,
dual
achieved
under
UV
stretching
conditions
further
improve
security
level.
This
study
should
provide
promising
future
development
advanced
intelligent
anti-counterfeiting
materials.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(28)
Опубликована: Март 10, 2024
Abstract
Wearable
sensing
technologies
have
witnessed
rapid
development
in
recent
years
due
to
their
accessibility,
functionality,
and
affordability.
However,
heat
accumulation
electromagnetic
interference
electronic
components
adversely
affect
the
performance
seriously
damage
human
health.
Herein,
cellulose
nanofibers
(CNFs)‐based
composites
with
high
thermal
conductivity
(TC)
excellent
(EMI)
shielding
are
prepared
using
CNFs
as
templates
followed
by
coating
tannic
acid
non‐covalent
3‐aminopropyltriethoxysilane
covalent
co‐modified
graphene
nanoplatelets
(denoted
mGNPs)
through
a
simple
electrostatic
self‐assembly
method.
The
subsequent
hot‐pressing
process
yield
order
layer
mGNPs
CNFs‐based
distributed
along
orientation
close
contact
CNFs,
fashion
similar
nervous
system.
resulting
reveal
TC
of
136.2
W/(m·K)
superior
EMI
effectiveness
105
dB.
Thus,
they
used
wearable
sensors
based
on
triboelectric
effect
monitor
health
real‐time,
well
express
emotion
Morse
code.
In
sum,
proposed
strategy
provides
an
avenue
prolong
service
life
flexible
ensure
safe
use,
promising
for
future
wisdom
healthcare
smart
robotics.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(26)
Опубликована: Фев. 27, 2024
Abstract
Quasi‐solid
aqueous
zinc
ion
batteries
(AZIBs)
based
on
flexible
hydrogel
electrolytes
are
promising
substitutions
of
lithium‐ion
owing
to
their
intrinsic
safety,
low
cost,
eco‐friendliness
and
wearability.
However,
it
remains
a
challenge
lower
the
freezing
point
without
sacrificing
fundamental
advantages
such
as
conductivity
mechanical
properties.
Herein,
an
all‐around
electrolyte
is
constructed
through
convenient
energy
dissipation
strategy
via
rapid
reversible
intramolecular/intermolecular
ligand
exchanges
between
Zn
2+
alterdentate
ligands.
The
as‐obtained
exhibits
excellent
properties,
fatigue
resistance,
high
Zn‐ion
(38.2
mS
cm
−1
),
good
adhesion
(19.1
kPa),
ultra‐low
(−97
°C).
Due
ligands
help
improve
solvation
structure
guide
uniform
deposition,
Zn||Zn
symmetric
cells
show
stable
plating/stripping
behavior
long‐term
cycle
stability.
Zn||V
2
O
5
full
exhibit
large
capacity
230.6
mAh
g
retention
75.2%
after
1000
cycles.
Furthermore,
AZIBs
operate
stably
even
under
extreme
conditions
including
temperature
(−40
°C)
bending
angle
(180°).
mechanically
damage‐resistant
can
also
be
utilized
in
strain
sensors.
This
work
offers
facile
for
developing
deformation‐resistant,
dendrite‐free,
environmentally
adaptable
AZIBs.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(16), С. 9371 - 9399
Опубликована: Янв. 1, 2024
We
present
a
comprehensive
review
of
the
recent
research
advances
in
field
sensors
based
on
hydrogels
with
nanofillers.
The
characteristics
and
design
strategies
nanofillers
are
highlighted
multiple
properties
conductive
nanocomposite
described.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(52)
Опубликована: Сен. 13, 2023
Abstract
A
self‐powered
and
sustainable
traffic
monitoring
system
is
highly
required
for
future
urban
development.
Herein,
self‐healable
piezoresistive
sensors
triboelectric
nanogenerators
(TENGs)
are
constructed
by
in
situ
polymerization
of
polyvinyl
alcohol‐polyacrylamide
double
network
hydrogel
the
presence
sodium
alginate
tannic
acid‐modified
cellulose
nanocrystals
(denoted
as
PPC)
all‐weather
intelligent
applications.
Because
hydrogen
bonding
boron
ester
bonding,
resultant
PPC‐based
strain
sensor
can
rapidly
self‐heal
restore
its
sensing
ability
within
1
min
with
a
self‐healing
efficiency
97.4%.
Based
on
effect,
ions
endow
relatively
high
gauge
factor
8.39,
which
monitor
motion
fatigue
drivers.
triboelectrification
TENG
detect
instantaneous
vehicle
speed,
judge
accident
liability,
evaluate
weight,
alert
driver
to
prevent
accidents
caused
drowsy
driving.
After
partially
replacing
water
PPC
glycerin,
resulting
exhibits
stable
performance
at
temperatures
ranging
from
‐30
40
°C,
ensuring
ability.
The
promising
security
cities.
Advanced Materials,
Год журнала:
2024,
Номер
36(31)
Опубликована: Май 17, 2024
Abstract
Electronic
skin
(e‐skin),
a
skin‐like
wearable
electronic
device,
holds
great
promise
in
the
fields
of
telemedicine
and
personalized
healthcare
because
its
good
flexibility,
biocompatibility,
conformability,
sensing
performance.
E‐skin
can
monitor
various
health
indicators
human
body
real
time
over
long
term,
including
physical
(exercise,
respiration,
blood
pressure,
etc.)
chemical
(saliva,
sweat,
urine,
etc.).
In
recent
years,
development
materials,
analysis,
manufacturing
technologies
has
promoted
significant
e‐skin,
laying
foundation
for
application
next‐generation
medical
devices.
Herein,
properties
required
e‐skin
monitoring
devices
to
achieve
long‐term
precise
summarize
several
detectable
field
are
discussed.
Subsequently,
applications
integrated
systems
reviewed.
Finally,
current
challenges
future
directions
this
This
review
is
expected
generate
interest
inspiration
improvement
systems.
