Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
Separating
actinides
from
lanthanides
is
essential
for
managing
nuclear
waste
and
promoting
sustainable
energy
development.
The
recycling
of
transuranium
elements
(TRUs:
Np,
Pu,
Am)
also
significant
various
technology
applications.
In
this
study,
a
dual
strategy
introduced
to
designing
covalent
organic
frameworks
(COFs)
that
skillfully
combines
molecular
rigidity
with
flexibility,
integrating
both
hard
soft
donor
atoms
in
the
synthesis
monomers.
This
results
specialized
COF
efficiently
selectively
captures
TRUs
acidic
aqueous
solutions.
By
utilizing
topological
arrangement
rigid
ligands
influence
twisting
stretching
flexible
ligands,
coordination
environment
featuring
nitrogen
oxygen
created,
which
enhances
separation
oxidation
states
over
lanthanides.
0.5
m
HNO
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Highly
efficient
proton
transfer
in
biological
processes
has
driven
the
pursuit
of
synthetic
analogs;
however,
replicating
high
permeance
natural
systems
remains
a
significant
challenge.
Herein,
inspired
by
function
ClC-ec1
protein,
we
report
design
Cl--assisted
transport
channels
within
hybrid
membrane
composed
covalent
organic
frameworks
(COFs)
integrated
with
aramid
nanofibers
(ANFs).
By
leveraging
buffer
layer-mediated
interfacial
polymerization
and
flocculation
behavior
ANF
aqueous
environments,
establish
robust
hydrogen-bonding
interactions
between
COFs
ANFs.
The
hydride
material
enables
Cl-
binding,
significantly
accelerating
manner
similar
to
that
protein
channel.
In
presence
small
concentration
ions
(0.1%
concentration),
permeation
rate
is
enhanced
approximately
3
times,
reaching
9.8
mol
m-2
h-2.
Notably,
facilitates
sustainable
osmotic
power
generation
from
acidic
wastewater,
delivering
an
output
density
434.8
W
m-2.
Theoretical
calculations
revealed
preferentially
binds
Cl-,
promoting
hopping
lowering
energy
barrier
for
transport.
This
study
establishes
new
paradigm
bioinspired
ion-assisted
transport,
presenting
approach
harvesting
wastewater.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Abstract
Advancements
in
membrane‐based
separation
hinge
on
the
design
of
materials
that
transcend
conventional
limitations.
Microporous
materials,
including
metal–organic
frameworks
(MOFs),
covalent–organic
(COFs),
macrocycles,
and
porous
organic
cages
(POCs)
offer
unprecedented
control
over
pore
architecture,
chemical
functionality,
transport
properties,
making
them
promising
candidates
for
next‐generation
membrane
technologies.
The
well‐defined
tunable
micropores
provide
a
pathway
to
directly
address
permeability‐selectivity
trade‐off
inherent
polymer
membranes.
Here,
this
review
explores
latest
advancements
these
four
representative
microporous
membranes,
emphasizing
their
breakthroughs
hydrocarbon
separation,
liquid‐phase
molecular
sieving,
ion‐selective
transport,
particularly
focusing
structure‐performance
relationships.
While
tailored
structures
enable
exceptional
performance,
practical
adoption
requires
overcoming
hurdles
scalability,
durability,
compatibility
with
industrial
processes.
By
offering
insights
into
structure
optimization
innovative
strategies,
provides
roadmap
advancing
membranes
from
laboratory
innovation
real‐world
implementation,
ultimately
supporting
global
sustainability
goals
through
energy‐efficient
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 11, 2025
Green
solid
phase
microextraction
(SPME)
is
a
promising
technique
for
effectively
enriching
high-profile
and
trace
antibiotics,
while
its
limited
extraction
volume
adsorbent
load
restrict
the
efficiency.
It
remains
challenge
to
develop
rationally
designed
device
with
high
proportion
of
adsorbents
increased
performance.
Herein,
using
3,8-diamino-6-phenylphenanthridine
(DPP)
1,3,5-triformylphloroglucinol
(TP)
as
monomers,
β-ketoenamine-linked
covalent
organic
framework
membrane
(TPDPP)
was
fabricated
via
interface
assembly.
TPDPP
further
loaded
on
ultrathin
polydimethylsiloxane
(PDMS)
solvent
evaporation,
resulting
in
functional
components
hybrid
(TPDPP@PDMS).
This
approach
highly
feasible
batch
preparation
TPDPP@PDMS
lamellar
homogeneous
structure
controllable
layers.
These
membranes
demonstrated
outstanding
enrichment
performance
common
particularly
sulfonamide
efficiencies
7.73-12.7
times
higher
than
those
fibers
3.91-93.9
commercial
fibers.
The
reproducibly
performed
simultaneous
SPME
variety
environmental
water
samples,
simplifying
pretreatment
process
saving
time.
By
integration
liquid
chromatography-tandem
mass
spectrometry,
an
ultrasensitive
method
established
achieve
parallel
efficient
antibiotic
quantification,
demonstrating
great
potential
pollutant
monitoring.
