Covalent
organic
frameworks
(COFs)
have
emerged
as
highly
promising
materials
for
membrane
separations
due
to
their
high
porosity,
tunable
pore
sizes,
ordered
crystalline
structures,
and
exceptional
chemical
stability.
With
these
features,
COF
membranes
possess
greater
selectivity
permeability
than
conventional
materials,
making
them
the
preferred
choice
in
various
fields,
including
separations.
Fascinating
research
endeavors
encompassing
fabrication
strategies
COF-based
diverse
separation
applications.
Hence,
this
review
summarizes
latest
advancements
synthesis,
powders
continuous
applications
membranes.
Special
consideration
was
given
regulation
performance
optimization
of
applications,
such
size,
hydrophilicity/hydrophobicity,
surface
charge,
crystallinity,
Furthermore,
water
treatment,
metal
ion
separation,
solvent
nanofiltration,
gas
are
comprehensively
reviewed.
Finally,
results
future
prospects
development
discussed.
Future
may
be
focused
on
following
key
directions:
(1)
single-crystal
fabrication,
(2)
cost-effective
preparation,
(3)
subnanometer
engineering,
(4)
advanced
characterization
techniques,
(5)
AI-assisted
development.
Green Energy & Environment,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 1, 2024
Facilitated
transport
membranes
for
post-combustion
carbon
capture
are
one
of
the
technologies
to
achieve
efficient
and
large-scale
capture.
The
central
principle
is
utilize
affinity
CO2
carrier
separation
break
Robson
upper
bound.
This
paper
reviews
progress
facilitated
research
regarding
polymer
materials,
principles,
problems
faced
at
this
stage.
Firstly,
we
briefly
introduce
mechanism
membranes.
Then
several
major
polymers
used
CO2/N2
was
presented
in
past
five
years.
Additionally,
analyze
primary
challenges
membranes,
including
influence
water,
effect
temperature,
saturation
carrier,
process
configuration.
Finally,
also
delve
into
competitiveness
Accounts of Chemical Research,
Journal Year:
2024,
Volume and Issue:
57(14), P. 1973 - 1984
Published: July 1, 2024
ConspectusMembranes
are
pivotal
in
a
myriad
of
energy
production
processes
and
modern
separation
techniques.
They
essential
devices
for
generation,
facilities
extracting
elements,
plants
wastewater
treatment,
each
which
hinges
on
effective
ion
separation.
While
biological
channels
show
exceptional
permeability
selectivity,
designing
synthetic
membranes
with
defined
pore
architecture
chemistry
the
(sub)nanometer
scale
has
been
challenging.
Consequently,
typical
trade-off
emerges:
highly
permeable
often
sacrifice
selectivity
vice
versa.
To
tackle
this
dilemma,
comprehensive
understanding
modeling
across
various
scales
is
imperative.
This
lays
foundation
establishing
design
criteria
advanced
membrane
materials.
Key
attributes
such
materials
encompass
appropriately
sized
pores,
narrow
size
distribution,
finely
tuned
interactions
between
desired
permeants
membrane.
The
advent
covalent-organic-framework
(COF)
offers
promising
solutions
to
challenges
faced
by
conventional
selective
within
water-energy
nexus.
COFs
molecular
Legos,
facilitating
precise
integration
small
organic
structs
into
extended,
porous,
crystalline
architectures
through
covalent
linkage.
unique
allows
control
over
sizes,
shapes,
distributions
Additionally,
offer
flexibility
modify
their
spaces
distinct
functionalities.
adaptability
not
only
enhances
but
also
facilitates
tailored
specific
ions.
As
result,
COF
positioned
as
prime
candidates
achieve
both
superior
processes.In
Account,
we
delineate
our
endeavors
aimed
at
leveraging
distinctive
augment
processes,
tackling
fundamental
inquiries
while
identifying
avenues
further
exploration.
Our
strategies
fabricating
enhanced
following:
(1)
crafting
(sub)nanoscale
enhance
permselectivity,
thereby
amplifying
production;
(2)
implementing
multivariate
(MTV)
synthesis
method
charge
density
nanochannels,
optimizing
transport
efficiency;
(3)
modifying
environment
confined
mass
transfer
establish
pathways
transport.
For
strategy,
expound
its
chemical
foundations
illustrative
examples
that
underscore
principles.
efforts
have
culminated
creation
groundbreaking
surpass
traditional
counterparts,
propelling
advancements
sustainable
conversion,
waste
heat
utilization,
element
extraction,
pollutant
removal.
These
innovations
poised
redefine
systems
industrial
management
practices.
In
conclusion,
outline
future
research
directions
highlight
key
need
addressing
ion/molecular
recognition
capabilities
practical
applications
membranes.
Looking
forward,
anticipate
ongoing
functionalization
fabrication
techniques,
leading
permeability,
ultimately
rivaling
