ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
In
the
fabrication
of
proton
exchange
membranes
(PEMs),
incorporating
nanomaterials
into
polymer
matrix
is
a
promising
strategy
for
enhancing
membrane
stability.
However,
this
approach
often
results
in
trade-off
with
conductivity.
To
address
limitation
and
develop
efficient
additives,
we
synthesized
novel
covalent
organic
framework
high
density
ether
nitrile
groups
(COF-EN)
via
nucleophilic
substitution
as
nanofiller.
This
nanofiller
was
specifically
designed
to
enhance
both
conductivity
stability
membranes.
The
chemical
structure
COF-EN
confirmed
through
various
analytical
techniques,
it
subsequently
integrated
sulfonated
poly(ether
ketone)
(SPEEK)
fabricate
advanced
composite
resulting
demonstrated
enhanced
dimensional,
thermal,
oxidative
due
strong
intermolecular
interactions
between
SPEEK
chains
COF-EN.
Additionally,
polar
facilitated
water
absorption
membranes,
contributing
improved
As
result,
SPEEK/COF-EN_3
exhibited
2.3-fold
increase
power
compared
pristine
membrane,
establishing
an
effective
PEM
fabrication.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Covalent
organic
frameworks
(COFs)
have
gained
considerable
attention
due
to
their
design
possibilities
as
the
molecular
building
blocks
that
can
stack
in
an
atomically
precise
spatial
arrangement.
Porous
aromatic
frameworks
(PAFs)
are
a
fundamental
group
of
porous
materials
characterized
by
their
distinct
structural
features
and
large
surface
areas.
These
synthesized
from
building
units
linked
strong
carbon–carbon
bonds,
which
confer
exceptional
rigidity
long-term
stability.
PAFs
functionalities
may
arise
directly
the
intrinsic
chemistry
or
through
postmodification
motifs
using
well-defined
chemical
processes.
Compared
to
other
traditional
such
as
zeolites
metallic-organic
frameworks,
demonstrate
superior
stability
under
severe
treatments
due
robust
bonding.
Even
in
challenging
environments,
ease
functionalization
flexibility
specificity.
Research
on
has
significantly
expanded
accelerated
over
past
decade,
necessitating
comprehensive
overview
key
advancements
this
field.
This
review
provides
an
in-depth
analysis
recent
advances
synthesis,
functionalization,
dimensionality
PAFs,
along
with
distinctive
properties
wide-ranging
applications.
explores
innovative
methodologies
strategies
for
functionalizing
structures,
manipulation
tailor
specific
potential
Similarly,
application
areas,
including
batteries,
absorption,
sensors,
CO2
capture,
photo-/electrocatalytic
usages,
supercapacitors,
separation,
biomedical
discussed
detail,
highlighting
versatility
addressing
modern
scientific
industrial
challenges.
