ACS Nano,
Год журнала:
2024,
Номер
18(26), С. 16895 - 16904
Опубликована: Июнь 21, 2024
Particulate
matter
(PM)
pollution
has
posed
a
serious
threat
to
public
health,
especially
the
global
spread
of
infectious
diseases.
Most
existing
air
filtration
materials
are
still
subjected
compromise
between
removal
efficiency
and
permeability
on
account
their
stacking
bulk
structures.
Here,
we
proposed
self-polarized
assembly
technique
create
two-dimensional
piezoelectric
nanofibrous
webs
(PNWs)
directly
from
polymer
solutions.
The
strategy
involves
droplets
deforming
into
ultrathin
liquid
films
by
inertial
flow,
evolving
web-like
architectures
instantaneous
phase
inversion,
enhanced
dipole
alignment
cluster
electrostatics.
assembled
continuous
exhibit
integrated
structural
superiorities
nanoscale
diameters
(∼20
nm)
internal
fibers
through
pores
(∼100
nm).
Combined
with
wind-driven
electrostatic
property
derived
piezoelectricity,
PNW
filter
shows
high
(99.48%)
low
resistance
(34
Pa)
against
PM0.3
as
well
transparency
(84%),
superlight
weight
(0.7
g
m–2),
long-term
stable
service
life.
This
creation
such
versatile
nanomaterials
may
offer
insight
design
upgrading
high-performance
filters.
Advanced Materials,
Год журнала:
2023,
Номер
36(18)
Опубликована: Ноя. 2, 2023
Abstract
In
recent
decades,
aerogels
have
attracted
tremendous
attention
in
academia
and
industry
as
a
class
of
lightweight
porous
multifunctional
nanomaterial.
Despite
their
wide
application
range,
the
low
mechanical
durability
hinders
processing
handling,
particularly
applications
requiring
complex
physical
structures.
“Mechanically
strengthened
aerogels”
emerged
potential
solution
to
address
this
drawback.
Since
first
report
on
1931,
various
modified
synthesis
processes
been
introduced
last
few
decades
enhance
aerogel
strength,
further
advancing
scope.
This
review
summarizes
state‐of‐the‐art
developments
mechanically
through
multicompositional
multidimensional
approaches.
Furthermore,
new
trends
future
directions
for
prevailed
commercialization
plastic
materials
are
discussed.
Buildings,
Год журнала:
2023,
Номер
13(3), С. 799 - 799
Опубликована: Март 17, 2023
The
aim
of
this
paper
is
to
study
the
performance
a
composite
floor
system
at
different
heat
stages
using
artificial
intelligence
derive
sustainable
design
and
select
most
critical
factors
for
elevated
temperatures.
In
system,
load
bearing
due
action
between
steel
concrete
materials
which
achieved
by
shear
connectors.
Although
connectors
play
an
important
role
in
transferring
force
from
profile,
if
exposed
high
temperature
conditions
excessive
deformations
may
reduce
shear-bearing
capacity
system.
Therefore,
paper,
slip
response
angle
evaluated
techniques
determine
during
Accordingly,
authenticated
experimental
data
on
monotonic
loading
steel-concrete
were
employed
analytical
assessment.
Moreover,
neural
network
was
developed
with
fuzzy
(ANFIS)
optimized
genetic
algorithm
(GA)
particle
swarm
optimization
(PSO),
namely
ANFIS-PSO-GA
(ANPG)
method.
addition,
results
ANPG
method
compared
those
extreme
learning
machine
(ELM)
radial
basis
function
(RBFN)
mechanical
geometrical
properties
temperatures
included
dataset.
Based
results,
although
behavior
accurately
predicted
three
methods,
RBFN
methods
represented
accurate
values
split-tensile
prediction,
respectively.
numerical
since
had
rational
relationship
parameters,
it
dramatically
predictable.
determined
as
affecting
Journal of Materials Chemistry A,
Год журнала:
2023,
Номер
11(42), С. 22551 - 22589
Опубликована: Янв. 1, 2023
Our
analysis
of
the
current
literature
shows
that
advances
in
extractive
technologies
for
U/Li
recovery
lie
at
intersection
between
molecular
simulation,
nanotechnology
and
materials
science,
electrochemistry,
membrane
engineering.
ACS Nano,
Год журнала:
2024,
Номер
18(18), С. 11525 - 11559
Опубликована: Апрель 24, 2024
The
design
and
preparation
of
flexible
aerogel
materials
with
high
deformability
versatility
have
become
an
emerging
research
topic
in
the
fields,
as
brittle
nature
traditional
aerogels
severely
affects
their
safety
reliability
use.
Herein,
we
review
methods
properties
summarize
various
controlling
to
overcome
fragility
caused
by
porosity
nanoporous
network
structure.
mechanical
flexibility
can
be
revolutionarily
improved
monomer
regulation,
nanofiber
assembly,
structural
controlling,
constructing
composites,
which
greatly
broaden
multifunctionality
practical
application
prospects.
construction
criterion
is
summarized:
a
deformable
microstructure
matrix.
Besides,
derived
multifunctional
applications
fields
thermal
insulation
(flexible
protection
at
extreme
temperatures),
wearable
electronics
sensors,
electrodes,
electromagnetic
shielding,
wave
absorption),
environmental
(oil/water
separation
air
filtration)
are
summarized.
Furthermore,
future
development
prospects
challenges
also
This
will
provide
comprehensive
basis
guidance
for
design,
fabrication
methods,
potential
aerogels.
Carbon,
Год журнала:
2024,
Номер
229, С. 119513 - 119513
Опубликована: Авг. 8, 2024
With
rapid
technological
advancements,
electromagnetic
radiation
is
becoming
one
of
new
forms
pollution,
which
not
only
affects
the
use
precision
instruments,
but
also
threatens
safety
human
life.
Electromagnetic
wave
(EMW)
absorbing
material
can
effectively
attenuate
EMW,
among
carbon
fiber
doped
magnetic
particles
possess
low
density,
multiple
attenuation,
and
magnetic-dielectric
synergy,
attracting
more
attention.
Carbon-based
fibers
achieve
combination
loss
dielectric
loss,
improve
impedance
match,
resulting
in
excellent
reflection
(RL)
effective
absorption
bandwidth
(EAB).
Herein,
recent
researches
on
carbon-based
are
reviewed,
focusing
preparation
methods
structural
difference.
It
specifically
introduces
their
performance
advantages,
providing
a
brief
analysis
structure-property
relationship.
Finally,
extensive
application
potential
emphasize,
highlighting
challenges
opportunities
field
EMW
absorption.
Hydrogel-based
sensors
have
been
widely
studied
for
perceiving
the
environment.
However,
simplest
type
of
resistive
still
lacks
sensitivity
to
localized
strain
and
other
extractable
data.
Enhancing
their
expanding
functionality
perceive
multiple
stimuli
simultaneously
are
highly
beneficial
yet
require
optimal
material
design
proper
testing
methods.
Herein,
we
report
a
elastic,
sponge-like
hydrogel
its
derived
multimodal
iontronic
sensor.
By
unidirectional
freeze
casting
poly(vinyl
alcohol)
(PVA)
with
electrospun
cellulose
nanofibers
(CNF),
hierarchical
structure
aligned
PVA
channels
supported
by
interlaced
CNF
tangles
is
created.
The
ensures
both
efficient
mass
transport
good
elasticity,
enhancing
reversible
compressibility
ionic
conductivity.
Combining
this
sponge
impedance-based
measurement
methods
allows
development
capable
detecting
local
strain,
position,
object-in-contact.
Integrating
these
sensing
capabilities,
two-dimensional
small
motion
monitor,
3D
input
interface,
identification
gripper
demonstrated.
This
study
provides
simple
approach
versatile
sensors.
