Emergent Materials,
Год журнала:
2024,
Номер
7(3), С. 765 - 800
Опубликована: Янв. 16, 2024
Abstract
The
filtration
of
airborne
particulate
matter
(PM)
and
aerosols
utilizing
nonwoven
fibrous
materials
has
received
significant
research
concern
due
to
the
continuing
global
pandemics,
especially
outbreak
coronavirus
disease
(COVID-19),
particularly
for
face
masks
as
a
measure
personal
protection.
Although
spun-bond
or
melt-blown
fabrics
are
among
pioneer
in
development
polymer
microfiber-based
air
filters
on
large
scale,
relatively
new
manufacturing
processes
like
electrospinning
solution
blow
spinning
(SBS)
gaining
momentum
manufacturers
filter
membranes.
high
performance
nanofiber
is
their
surface
area
volume
ratio
which
increases
interaction
between
PM
improves
electrostatic
charge
distribution
electret
filters,
allowing
enhanced
capture
capability
based
deposition.
Moreover,
small
diameter
nanofibrous
breathability
mask
by
providing
slip
effect,
turn
reduces
pressure
drop
through
membrane.
This
paper
provides
comprehensive
review
contemporary
advances
masks,
detailing
working
mechanism
involved,
reviewing
recent
experimental
studies,
discussing
improvements
efficiency
three
main
strategies,
including
mechanical
antimicrobial
functionality.
Furthermore,
prospective
introduced
considers
synergistic
combination
effects
mechanisms
designing
multifunctional
structure
that
can
efficiently
wide
range
with
higher
lower
drops
pressure.
New
trends
activity
smart
material-based
membranes
fight
against
infectious
agents
also
described.
C – Journal of Carbon Research,
Год журнала:
2024,
Номер
10(1), С. 7 - 7
Опубликована: Янв. 8, 2024
Graphene
quantum
dot
(GQD)
is
a
new
type
of
carbon
nanometer
material.
In
addition
to
the
excellent
properties
graphene,
it
superior
due
limit
effect
and
edge
effect.
Because
its
advantages
such
as
water
solution,
strong
fluorescent,
small
size,
low
biological
toxicity,
has
important
application
potential
in
various
fields,
especially
sensors
biomedical
areas,
which
are
mainly
used
optical
electrical
well
imaging
tumor
therapy.
addition,
GQDs
have
very
characteristics,
properties.
There
many
preparation
methods,
divided
into
top-down
bottom-up
different
disadvantages,
respectively.
modification
methods
include
heterogeneous
doping,
surface
heterogeneity,
etc.
still
challenges
developing
GQDs.
For
example,
synthesis
steps
hard
conduct,
but
inquiry
continues
deepen,
will
be
revolutionary
materials
future.
this
work,
literature
concerning
research
progress
on
been
reviewed
summarized,
while
key
their
pointed
out,
may
bring
insights
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
Abstract
Air
pollution
is
a
silent
killer.
It
poses
significant
health
threat,
affecting
over
80%
of
the
global
population
and
leading
to
respiratory
cardiovascular
diseases.
Electrospun
nanofiber
filtration
membranes
have
made
tremendous
progress
due
their
large
surface
areas,
adaptable
structures,
self‐polarizing
properties.
This
review
explores
recent
developments
in
across
four
key
areas:
principles,
material
design,
structural
innovations,
functionalities.
Initially,
classical
mechanisms
discussed,
followed
by
an
overview
sustainable
materials
green
technologies
for
advanced
filtration.
then
delve
into
advancements,
highlighting
nanofibers
with
high
roughness,
ultra‐fine
diameters,
bimodal
distributions.
Inspired
nature,
these
innovations
led
creation
high‐performance
membranes.
Current
research
focuses
on
anti‐bacterial
antiviral
membranes,
as
well
intelligent
systems
capable
sensing
physiological
signals.
Last,
existing
challenges
membrane
development,
such
new
mechanisms,
preparation
technologies,
reusable
highlighted.
anticipated
that
solutions
problems
will
open
up
possibilities
functional
biodegradable
smart
wearables,
upscale
healthcare.
