Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(18)
Published: March 3, 2023
Designing
adsorption
materials
with
high
capacities
and
selectivities
is
highly
desirable
for
precious
metal
recovery.
Desorption
performance
also
particularly
crucial
subsequent
recovery
adsorbent
regeneration.
Herein,
a
metal-organic
framework
(MOF)
material
(NH2
-UiO-66)
an
asymmetric
electronic
structure
of
the
central
zirconium
oxygen
cluster
has
exceptional
gold
extraction
capacity
2.04
g
g-1
under
light
irradiation.
The
selectivity
NH2
-UiO-66
ions
up
to
98.8
%
in
presence
interfering
ions.
Interestingly,
adsorbed
on
surface
spontaneously
reduce
situ,
undergo
nucleation
growth
finally
achieve
phase
separation
high-purity
particles
from
-UiO-66.
desorption
efficiency
reaches
89
%.
Theoretical
calculations
indicate
that
-NH2
functions
as
dual
donor
electrons
protons,
leads
energetically
advantageous
multinuclear
capture
desorption.
This
can
greatly
facilitate
wastewater
easily
realize
recycling
adsorbent.
Small,
Journal Year:
2023,
Volume and Issue:
19(14)
Published: Jan. 5, 2023
The
mutations
of
bacteria
due
to
the
excessive
use
antibiotics,
and
generation
antibiotic-resistant
have
made
development
new
antibacterial
compounds
a
necessity.
MXenes
emerged
as
biocompatible
transition
metal
carbide
structures
with
extensive
biomedical
applications.
This
is
related
MXenes'
unique
combination
properties,
including
multifarious
elemental
compositions,
2D-layered
structure,
large
surface
area,
abundant
terminations,
excellent
photothermal
photoelectronic
properties.
focus
this
review
application
MXenes,
which
has
attracted
attention
researchers
since
2016.
A
quick
overview
synthesis
strategies
provided
then
summarizes
effect
various
factors
(including
structural
optical
charges,
flake
size,
dispersibility)
on
biocidal
activity
MXenes.
main
mechanisms
for
deactivating
by
are
discussed
in
detail
rupturing
bacterial
membrane
sharp
edges
nanoflakes,
generating
reactive
oxygen
species
(ROS),
bacteria.
Hybridization
other
organic
inorganic
materials
can
result
improved
activities
different
applications
such
wound
dressings
water
purification.
Finally,
challenges
perspectives
MXene
nanomaterials
agents
presented.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(36)
Published: Oct. 31, 2022
The
continuous
deterioration
of
the
environment
due
to
extensive
industrialization
and
urbanization
has
raised
requirement
devise
high-performance
environmental
remediation
technologies.
Membrane
technologies,
primarily
based
on
conventional
polymers,
are
most
commercialized
air,
water,
solid,
radiation-based
strategies.
Low
stability
at
high
temperatures,
swelling
in
organic
contaminants,
poor
selectivity
fundamental
issues
associated
with
polymeric
membranes
restricting
their
scalable
viability.
Polymer-metal-carbides
nitrides
(MXenes)
hybrid
possess
remarkable
physicochemical
attributes,
including
strong
mechanical
endurance,
flexibility,
superior
adsorptive
behavior,
selective
permeability,
multi-interactions
between
polymers
MXene's
surface
functionalities.
This
review
articulates
state-of-the-art
MXene-polymer
membranes,
emphasizing
its
fabrication
routes,
enhanced
properties,
improved
behavior.
It
comprehensively
summarizes
utilization
for
applications,
water
purification,
desalination,
ion-separation,
gas
separation
detection,
containment
adsorption,
electromagnetic
nuclear
radiation
shielding.
Furthermore,
highlights
bottlenecks
MXene-Polymer
hybrid-membranes
possible
alternate
solutions
meet
industrial
requirements.
Discussed
opportunities
prospects
related
membrane
intelligent
next-generation
strategies
integration
modern
age
technologies
internet-of-things,
artificial
intelligence,
machine-learning,
5G-communication
cloud-computing
elucidated.
Water Resources and Industry,
Journal Year:
2023,
Volume and Issue:
29, P. 100202 - 100202
Published: Feb. 2, 2023
As
a
novel
family
of
2D
materials,
MXenes
provide
an
extensive
variety
applications
in
water
and
effluent
treatment
due
to
their
distinctive
properties
attractive
applicability,
including
superior
electrical
conductivity,
higher
thermal
stability,
hydrophilicity,
high
sorption-reduction
capacity.
Their
excellent
sorption
selectivity
makes
them
perfect
for
removing
hazardous
contaminants.
Currently,
MXene-based
materials
are
regarded
as
one
the
most
important
topics
membrane
separation
processes.
This
work
presents
comprehensive
review
recent
developments
materials.
The
membranes,
adsorbents,
photo-catalysts
antibiotics
heavy
metals
from
discussed.
A
comparison
membranes
with
other
is
outlined.
Finally,
prospects
challenges
future
research
