Advances in chemical and materials engineering book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 287 - 314
Published: Aug. 16, 2024
Heavy
metal
toxicity
is
an
alarming
challenge,
since
these
metals
exhibit
negative
impacts
on
ecosystem
and
human
health.
Carbon-based
materials
hold
the
promising,
alternative,
effective
material
to
eliminate
pollutants
in
contaminated
soils
as
it
acts
a
heavy
adsorbent
soil
remediation.
Interestingly,
carbon-based
integrated
with
magnetic
particles
possess
enhanced
absorption
capacity
removal
also
removes
other
organic
contaminants.
Moreover,
new
approaches
are
developed
by
using
for
their
long-term,
cost
effective,
sustainable
prospects
environmental
pollution.
This
chapter
focused
role
conspicuousness
of
taking
into
account
removal.
this
ultimately
grasped
highlights
contemporary
advances
adsorbents.
eventually
reduce
besides
being
rejuvenators.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(11), P. 8038 - 8050
Published: March 4, 2024
Liquid
metal
(LM)
particles
can
serve
as
initiators,
functional
fillers,
and
cross-linkers
for
hydrogels.
Herein,
we
show
that
cellulose
nanocrystals
(CNCs)
stabilize
LM
in
aqueous
solutions,
such
those
used
to
produce
The
CNC-coated
initiate
free-radical
polymerization
form
poly(acrylic
acid)
(PAA)
hydrogel
with
exceptional
properties─stretchability
∼2000%,
excellent
toughness
∼1.8
MJ/m3,
mechanical
resilience,
efficient
self-healing─relative
cross-linked
PAA
networks
polymerized
using
conventional
molecular
initiators.
FTIR
spectroscopy,
rheology,
measurements
suggest
physical
bonds
between
both
Ga3+
LM-CNC
contribute
the
properties.
gels
are
sense
a
wide
range
of
strains,
associated
human
motion,
via
changes
resistance
through
gel.
sensitivity
at
low
strains
enables
monitoring
subtle
physiological
signals,
pulse.
Without
significantly
compromising
toughness,
soaking
salt
solution
brings
about
high
ionic
conductivity
(3.8
S/m),
enabling
them
detect
touch
piezoionic
principles;
anions
gel
have
higher
mobility
than
cations,
resulting
significant
charge
separation
(current
∼30
μA,
∼10
μA/cm2)
response
touch.
These
attractive
properties
promising
wearable
sensors,
energy
harvesters,
self-powered
panels.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(24)
Published: June 24, 2024
Abstract
The
presence
of
dyes
in
wastewater
poses
a
significant
environmental
challenge
due
to
their
permanence
toxicity
and
potential
harm
ecosystems.
Because
high
porosity
adjustable
characteristics,
metal‐organic
frameworks
(MOFs)
have
become
attractive
materials
for
effective
dye
removal.
Among
various
MOFs,
zeolitic
imidazolate
(ZIFs)
garnered
attention,
especially
ZIF‐8,
its
excellent
stability,
porosity,
pore
size
remarkable
adsorption
capacity.
This
review
article
provides
comprehensive
overview
recent
advances
the
implementation
ZIF‐8
composites
removal
pollutants
from
wastewater.
synthesis
methods,
structural
characteristics
performance
are
discussed.
Furthermore,
impact
different
factors
such
as
pH,
temperature,
concentration,
contact
time
etc.
were
also
highlighted.
Moreover,
detailed
mechanism
was
Finally,
current
challenges
future
perspectives
production
based
on
presented.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Aug. 15, 2024
Metal-organic
frameworks
(MOFs)
have
been
extensively
considered
as
one
of
the
most
promising
types
porous
and
crystalline
organic-inorganic
materials,
thanks
to
their
large
specific
surface
area,
high
porosity,
tailorable
structures
compositions,
diverse
functionalities,
well-controlled
pore/size
distribution.
However,
developed
MOFs
are
in
powder
forms,
which
still
some
technical
challenges,
including
abrasion,
dustiness,
low
packing
densities,
clogging,
mass/heat
transfer
limitation,
environmental
pollution,
mechanical
instability
during
process,
that
restrict
applicability
industrial
applications.
Therefore,
recent
years,
attention
has
focused
on
techniques
convert
MOF
powders
into
macroscopic
materials
like
beads,
membranes,
monoliths,
gel/sponges,
nanofibers
overcome
these
challenges.Three-dimensional
(3D)
printing
technology
achieved
much
interest
because
it
can
produce
many
high-resolution
with
complex
shapes
geometries
from
digital
models.
this
review
summarizes
combination
different
3D
strategies
MOF-based
for
fabricating
3D-printed
monoliths
applications,
emphasizing
water
treatment
gas
adsorption/separation
Herein,
various
fabrication
such
direct
ink
writing,
seed-assisted
in-situ
growth,
coordination
replication
solid
precursors,
matrix
incorporation,
selective
laser
sintering,
light
processing,
described
relevant
examples.
Finally,
future
directions
challenges
also
presented
better
plan
trajectories
shaping
improved
control
over
structure,
composition,
textural
properties
monoliths.
