Industrial & Engineering Chemistry Research,
Год журнала:
2023,
Номер
62(37), С. 14772 - 14790
Опубликована: Сен. 5, 2023
Inspired
by
cell
membranes,
with
high
efficiency
and
precision
separation
for
water
ions,
development
of
biomimetic
membranes
using
two-dimensional
(2D)
materials
responsive
molecules/macromolecules
has
been
emerging.
Herein,
this
review
overviews
the
recent
2D
composited
integrating
subunits
ion
separation.
The
highlights
design
concepts
various
fabrication
strategies,
such
as
coating,
layer-by-layer
(LBL)
assembly,
electrochemical
deposition,
filtration.
are
preliminarily
achieved
adjustable
desalination.
challenges
composite
also
discussed,
including
intricate
mass
transfer
mechanisms
stability
during
operation.
With
exceptional
functionalities
offered
angstrom-scale
nanochannels,
hold
great
potential
in
shaping
future
cutting-edge
separating
opening
new
avenues
advanced
technologies.
Chemical Communications,
Год журнала:
2023,
Номер
59(27), С. 3968 - 3999
Опубликована: Янв. 1, 2023
This
review
summarizes
the
preparation
methods
of
MXene
and
applications
in
electrocatalytic
hydrogen
evolution
reaction,
oxygen
reduction
carbon
dioxide
reaction
nitrogen
reaction.
Transition
metal
carbides
and
nitrides
(MXenes)
are
an
emerging
class
of
2D
materials,
which
attracting
ever-growing
attention
due
to
their
remarkable
physicochemical
properties.
The
presence
various
surface
functional
groups
on
MXenes'
surface,
e.g.,
F,
O,
OH,
Cl,
opens
the
possibility
tune
properties
through
chemical
functionalization
approaches.
However,
only
a
few
methods
have
been
explored
for
covalent
MXenes
include
diazonium
salt
grafting
silylation
reactions.
Here,
unprecedented
two-step
Ti3
C2
Tx
is
reported,
where
(3-aminopropyl)triethoxysilane
covalently
tethered
serves
as
anchoring
unit
subsequent
attachment
organic
bromides
via
formation
CN
bonds.
Thin
films
functionalized
with
linear
chains
possessing
increased
hydrophilicity
employed
fabrication
chemiresistive
humidity
sensors.
devices
exhibit
broad
operation
range
(0-100%
relative
humidity),
high
sensitivity
(0.777
or
3.035),
fast
response/recovery
time
(0.24/0.40
s
ΔH-1
,
respectively),
selectivity
water
in
saturated
vapors
compounds.
Importantly,
our
-based
sensors
display
largest
operating
beyond
state
art
MXenes-based
Such
outstanding
performance
makes
suitable
real-time
monitoring
applications.
2D Materials,
Год журнала:
2023,
Номер
10(2), С. 024004 - 024004
Опубликована: Фев. 20, 2023
Abstract
In
this
work,
a
novel
Ti
3
C
2
T
x
MXene/chitosan/lignosulfonate
adsorbent
(MCL),
was
prepared
via
facile
decoration
of
MXene
sheets
with
chitosan/lignosulfonate
nanospheres
as
renewable
and
biodegradable
additive
that
can
improve
the
biocompatibility
aqueous
stability
MXenes.
Chitosan/lignosulfonate
were
stabilized
on
surface
MXne
sheets,
endowing
them
variety
functionalities,
high
specific
area,
antioxidant
characteristics.
The
competitive
adsorption
multi-metal
systems
revealed
MCL
had
preferential
affinity
toward
various
heavy
metal
ions;
removal
efficiency
for
quinary-metal
ions
followed
trend
Pb(II)
>
Cr(VI)
≈
Cu(II)
Ni(II)
Co(II)
in
neutral
pH
conditions.
A
moderate
reduction
observed
ions.
For
all
metals,
kinetics
data
fitted
well
pseudo-second-order
model,
equilibrium
best
described
by
Langmuir
model.
mechanism
is
suggested
to
be
synergic
combination
electrostatic
interaction,
complexation,
ion
exchange.
findings
study
provide
new
approach
eco-friendly
modification
give
general
pattern
pollutants
interactions
during
adsorption.
Chemistry,
Год журнала:
2023,
Номер
5(1), С. 492 - 510
Опубликована: Март 6, 2023
MXene
materials
have
found
emerging
applications
as
catalysts
for
chemical
reactions
due
to
their
intriguing
physical
and
applications.
In
particular,
broad
light
response
strong
photothermal
conversion
capabilities
are
likely
render
MXenes
promising
candidates
catalysis,
which
is
drawing
increasing
attention
in
both
academic
research
industrial
satisfy
all
three
criteria
of
a
desirable
catalyst:
absorption,
effective
heat
management,
versatile
surface
reactivity.
However,
specific
functionalities
largely
dependent
on
structure
composition,
makes
understandings
the
structure–function
relationship
crucial
significance.
this
review,
we
mainly
focus
recent
progress
MXene–based
catalysts,
emphasizing
potential
fields
provide
insights
design
principles
highly
efficient
from
atomic
scale.
This
review
provides
relatively
thorough
understanding
well
an
in–depth
investigation
high-prospect
catalysis.
