Copper Conductive Ink-Based Pearl Biomimetic Structure for Personal Thermal Management Fabrics
ACS Applied Nano Materials,
Год журнала:
2025,
Номер
8(4), С. 1873 - 1881
Опубликована: Янв. 16, 2025
Ink
printing
can
be
considered
a
desirable
production
method
for
mass
manufacturing
inexpensive
electronic
textiles.
Copper
nanowires
(CuNWs)
have
attracted
enormous
attention
due
to
preponderant
electric
conductivity,
mechanical
properties,
and
large
abundance
in
recent
years.
Unfortunately,
low
dispersibility,
poor
binding,
incompatibility
of
CuNWs
greatly
limit
their
development
conductive
inks.
Herein,
green
CuNW
ink
with
high
conductivity
durability
was
reported,
which
couples
tannic-polyethylenimine
(TA-PEI)
modified
(TA-PEI@CuNW)
heterostructure
as
"brick"
carboxymethyl
cellulose
(CMC)
acting
"mortar"
inspired
by
the
"brick–mortar"
structure
pearls.
The
exhibits
splendid
adhesion
strength
on
textiles,
attributed
abundant
hydrogen
bonding
sites
between
CMC
TA-PEI@CuNWs.
obtained
printed
fabric
also
shows
superb
(sheet
resistance
Ra
=
3.33
Ω·sq–1)
bending
(withstanding
1500
cycles).
Furthermore,
presented
exceptional
application
potential
Joule
heating
(112.8
°C
at
1.5
V
voltage)
electromagnetic
shielding
(shielding
efficiency
SET
50.488
dB).
We
think
that
may
provide
insight
into
personal
thermal
management
fabrics.
Язык: Английский
Bioinspired Durable Mechanical‐Bioelectrical Dual‐Modal Sensors Enabled by Mixed Ion‐Electron Conduction and Mechanical Interlocking for Multifunctional Sensing
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 22, 2025
Abstract
Skin‐like
robust
materials
with
prominent
sensing
performance
have
potential
applications
in
flexible
bioelectronics.
However,
it
remains
challenging
to
achieve
mutually
exclusive
properties
simultaneously
including
low
interfacial
impedance,
high
stretchability,
sensitivity,
and
electrical
resilience.
Herein,
a
material
structure
design
concept
of
mixed
ion‐electron
conduction
mechanical
interlocking
is
adopted
fabricate
high‐performance
mechanical‐bioelectrical
dual‐modal
composites
large
excellent
mechanoelectrical
stability,
good
biocompatibility.
Flower‐like
conductive
metal‐organic
frameworks
(cMOFs)
enhanced
conductivity
through
the
overlapped
level
metal‐ligand
orbital
are
assembled,
which
bridge
carbon
nanotubes
(denoted
as
cMOFs‐
b
‐CNTs).
Then,
precursor
poly(styrene‐
block
‐butadiene
‐block
‐styrene)/ionic
liquid
penetrates
pores
cavities
‐CNTs‐based
network
fabricated
via
filtration
process,
creating
semi‐embedded
interlocking.
Thus,
endow
as‐prepared
impedance
(51.60/28.90
kΩ
at
10/100
Hz),
wide
range
(473%),
sensitivity
(2195.29),
rapid
response/recovery
time
(60/85
ms),
limit
detection
(0.05%),
durability
(>5000
cycles
50%
strain).
Demonstrations
multifunctional
sensors
for
vivo/vitro
monitoring
physiological
motions,
electrophysiological
activities,
urinary
bladder
activities
validate
possibility
practical
uses
biomedical
research
areas.
This
creates
opportunities
construction
durable
skin‐like
materials.
Язык: Английский
Ecofriendly Printing of Silver Nanowires with Cellulose Binder for Highly Robust Flexible Electronics
Advanced Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Abstract
Scalable
manufacturing
of
soft
electronics
with
high
performance
and
reliability
represents
one
the
most
demanding
challenges
for
application
electronics.
Herein,
an
ecofriendly
silver
nanowire
(AgNW)
based
ink
cellulose
as
binder
is
reported.
The
properties,
annealing
condition,
electromechanical
properties
printed
are
investigated.
With
a
proper
process,
hot‐melt
under
temperatures
provides
excellent
adhesion
between
NWs
substrate,
leading
to
robust
electrical
AgNWs
mechanical
deformation,
tape
peeling,
scratching,
chemical
corrosion.
demonstrated
flexible
temperature
sensors
due
their
temperature‐dependent
resistance
behavior.
used
sense
touching,
respiration,
body
temperature.
robustness
stability
AgNW
electronics,
without
need
encapsulation
layer,
makes
them
ideal
skin‐mounted
applications.
Язык: Английский
Liquid Metal Gel Ink with Self‐Activating Conductivity for 3D Printing of Multifunctional Electronics
Jun Qiu,
Rouhui Yu,
Xiangheng Du
и другие.
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 19, 2025
Abstract
Liquid
metal
inks
have
emerged
as
promising
conductive
for
the
printing
of
soft
circuits
and
multifunctional
electronics.
However,
printed
patterns
are
typically
nonconductive
due
to
native
insulating
oxide
layer
surrounding
liquid
(LM)
particles,
which
requires
mechanical
or
chemical
post‐treatments
restore
their
electrical
performance.
In
this
study,
design
preparation
a
self‐activating
LM
gel
ink
presented.
This
viscous
consists
particles
supramolecular
assemblies,
formed
by
β‐cyclodextrin
(β‐CD)
sodium
dodecyl
sulfate
(SDS).
These
assemblies
entangle
create
network,
prevents
from
settling
facilitates
3D
printing.
Moreover,
dissociated
into
host‐guest
complexes
upon
heating
50
°C,
thereby
allowing
transition
its
viscosity
≈13
≈0.005
Pa·s
at
shear
rate
1
s
−1
.
leads
sedimentation
resulting
in
formation
continuous
phase
water
evaporation,
with
high
conductivity
3.4
×
10
5
S
m
The
can
subsequently
be
used
devices,
including
stretchable
displays,
wireless
power‐transmission
circuits,
fabric
bioelectrodes.
Язык: Английский