Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(35), P. 10883 - 10891
Published: Aug. 22, 2024
The
development
of
electronic
skin
(e-skin)
emulating
the
human
skin's
three
essential
functions
(perception,
protection,
and
thermoregulation)
has
great
potential
for
human–machine
interfaces
intelligent
robotics.
However,
existing
studies
mainly
focus
on
perception.
This
study
presents
a
novel,
eco-friendly,
mechanically
robust
e-skin
replicating
functions.
is
composed
Ti3C2Tx
MXene,
polypyrrole,
bacterial
cellulose
nanofibers,
where
MXene
nanoflakes
form
matrix,
nanofibers
act
as
filler,
polypyrrole
serves
conductive
"cross-linker".
design
allows
customization
electrical
conductivity,
microarchitecture,
mechanical
properties,
integrating
sensing
(perception),
EMI
shielding
(protection),
thermal
management
(thermoregulation).
optimal
can
effectively
sense
various
motions
(including
minuscule
artery
pulses),
achieve
an
efficiency
63.32
dB
at
78
μm
thickness,
regulate
temperature
up
to
129
°C
in
30
s
2.4
V,
demonstrating
its
smart
robotics
complex
scenarios.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
35(4)
Published: June 23, 2022
Abstract
The
rapid
growth
of
the
electronics
industry
and
proliferation
electronic
materials
telecommunications
technologies
has
led
to
release
a
massive
amount
untreated
waste
(e‐waste)
into
environment.
Consequently,
catastrophic
environmental
damage
at
microbiome
level
serious
human
health
diseases
threaten
natural
fate
planet.
Currently,
demand
for
wearable
applications
in
personalized
medicine,
skins
(e‐skins),
monitoring
is
substantial
growing.
Therefore,
“green”
characteristics
such
as
biodegradability,
self‐healing,
biocompatibility
ensure
future
application
e‐skins
biomedical
engineering
bioanalytical
sciences.
Leveraging
sustainability,
will
dramatically
influence
fabrication
environmentally
friendly
electronics.
Here,
molecular
structural
biological
artificial
are
discussed.
focus
then
turns
biodegradable
materials,
including
synthetic‐polymer‐based
their
recent
development
e‐skin
sensors,
robotics,
human–machine
interfaces
(HMIs).
Finally,
main
challenges
outlook
regarding
preparation
critically
discussed
near‐future
scenario,
which
expected
lead
next
generation
e‐skins.
Nanomaterials,
Journal Year:
2022,
Volume and Issue:
12(19), P. 3483 - 3483
Published: Oct. 5, 2022
Nanocellulose
has
emerged
in
recent
years
as
one
of
the
most
notable
green
materials
available
due
to
its
numerous
appealing
factors,
including
non-toxic
nature,
biodegradability,
high
aspect
ratio,
superior
mechanical
capabilities,
remarkable
optical
properties,
anisotropic
shape,
strength,
excellent
biocompatibility
and
tailorable
surface
chemistry.
It
is
proving
be
a
promising
material
range
applications
pertinent
engineering
biomedical
applications.
In
this
review,
advances
preparation,
modification,
emerging
application
nanocellulose,
especially
cellulose
nanocrystals
(CNCs),
are
described
discussed
based
on
analysis
latest
investigations.
This
review
presents
an
overview
general
concepts
nanocellulose-based
nanocomposites
for
sustainable
Beginning
with
brief
introduction
cellulose,
nanocellulose
sources,
structural
characteristics
extraction
process
those
new
area,
we
go
more
in-depth
content.
Following
that,
research
techniques
used
modify
properties
by
functionalizing
hydroxyl
groups
impart
desirable
hydrophilic-hydrophobic
balance,
well
their
functionalization
strategies,
were
explained.
The
usage
versatile
fields,
novel
foreseen
markets
products,
also
discussed.
Finally,
difficulties,
challenges
prospects
then
last
section
readers
searching
future
high-end
eco-friendly
functional
materials.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: May 3, 2022
User-interactive
electronic
skin
(e-skin)
that
could
convert
mechanical
stimuli
into
distinguishable
outputs
displays
tremendous
potential
for
wearable
devices
and
health
care
applications.
However,
the
existing
have
disadvantages
such
as
complex
integration
procedure
lack
of
intuitive
signal
display
function.
Here,
we
present
a
bioinspired
user-interactive
e-skin,
which
is
simple
in
structure
can
synchronously
achieve
digital
electrical
response
optical
visualization
upon
external
stimulus.
The
e-skin
comprises
conductive
layer
with
carbon
nanotubes/cellulose
nanofibers/MXene
nanohybrid
network
featuring
remarkable
electromechanical
behaviors,
stretchable
elastomer
layer,
composed
silicone
rubber
thermochromic
pigments.
Furthermore,
outstanding
Joule
heating
performance
generate
controllable
thermal
energy
under
voltage
input
then
dynamic
coloration
silicone-based
elastomer.
Especially,
an
innovative
fusion
strategy
data
visual
images
enables
to
monitor
human
activities
evermore
intuition
accuracy.
design
philosophy
reliable
operation
demonstrated
are
expected
provide
ideal
platform
next-generation
flexible
electronics.
Small Methods,
Journal Year:
2023,
Volume and Issue:
7(7)
Published: May 2, 2023
Abstract
The
development
of
new
materials
for
electromagnetic
interference
(EMI)
shielding
is
an
important
area
research,
as
it
allows
the
creation
more
effective
and
high‐efficient
solutions.
In
this
sense,
MXenes,
a
class
2D
transition
metal
carbides
nitrides
have
exhibited
promising
performances
EMI
materials.
Electric
conductivity,
low
density,
flexibility
are
some
properties
given
by
MXene
materials,
which
make
them
very
attractive
in
field.
Different
processing
techniques
been
employed
to
produce
MXene‐based
with
properties.
This
review
summarizes
processes
role
key
parameters
like
content
fillers
thickness
desired
performance.
It
also
discusses
determination
power
coefficients
defining
mechanism
concept
green
well
their
influence
on
real
application
produced
material.
concludes
summary
current
challenges
prospects
production
shields.
Cellulose,
a
natural
biopolymer,
offers
strong
potential
for
sustainable
packaging
due
to
its
impressive
mechanical,
thermal,
and
barrier
properties.
However,
high
hydrophilicity
remains
key
challenge
industrial
applications.
This
review
delves
into
both
chemical
physical
methods
enhance
nanocellulose's
hydrophobicity
while
also
exploring
the
incorporation
of
reinforcing
fillers
like
antioxidants,
antibacterial
agents
(e.g.,
tannins,
lignin),
nanoclays
improve
functionality
in
active
packaging.
Additionally,
advanced
surface
modifications
using
compounds,
such
as
stearic
acid,
silanes,
treatments,
cold
plasma,
are
discussed.
By
providing
detailed
insights
these
techniques
materials,
this
serves
practical
guide
researchers,
especially
laboratory
settings,
assess
feasibility
applying
innovations
their
own
work.
Ultimately,
it
aims
advance
development
nanocellulose-based
solutions,
offering
balance
among
sustainability,
enhanced
performance,
scientific
guidance.
