ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(43), P. 59030 - 59039
Published: Oct. 15, 2024
The
solar-driven
interfacial
evaporation
(SDIE)
technology
serves
as
a
clean
and
facile
approach
combining
seawater
desalination
to
address
water
shortage
energy
crisis.
Recently,
porous
organic
framework
materials
have
aroused
great
attention,
the
development
of
MOF-based
composites
with
significant
performance
in
photothermal
conversion
activation
has
become
one
important
focuses
this
field.
In
work,
an
composite
membrane
(PON@MOF)
was
prepared
via
situ
growth
metal–organic
(MOF)
nanoneedle
arrays
induced
by
pyridine-based
polymer
nanowire
network
(PON).
PON@MOF
possessed
MOF
array
layer,
PON-induced
support
layer.
PON
is
rich
coordinated
nitrogen
atoms
for
anchoring
metal-ion
source,
main
role
layer
provide
favorable
nucleation
sites
orient
well-aligned
arrays.
With
highly
conjugated
light
trapping
nanoarrays
strengthening
well
hydrophilic
chemical
structure
facilitating
decrease
enthalpy,
realizes
efficient
thermal
vapor
conversion.
Under
solar
irradiation
(1.0
kW
m–2),
demonstrated
rate
2.14
kg
m–2
h–1
solar-to-vapor
efficiency
98.5%.
Meanwhile,
excellent
salt
resistance
stability,
highlighting
its
potential
application
desalination.
Overall,
work
provides
special
idea
structural
design
freshwater
production.
Angewandte Chemie International Edition,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Photo/electro-catalytic
CO2
reduction
into
high-value
products
are
promising
strategies
for
addressing
both
environmental
problems
and
energy
crisis.
Duo
to
their
advantageous
visible
light
absorption
ability,
adjustable
optic/electronic
properties,
definite
active
center,
post-modification
capability,
excellent
stability,
porphyrin-based
covalent
organic
frameworks
(COFs)
have
emerged
as
attractive
photo/electro-catalysts
towards
reduction.
In
this
review,
the
research
progress
of
COFs
photo/electro-catalytic
is
summarized
including
design
principles,
catalytic
performance,
reaction
mechanism.
addition,
review
also
presents
some
challenges
prospects
application
in
reduction,
laying
base
fundamental
efforts.
Angewandte Chemie,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Abstract
Photo/electro‐catalytic
CO
2
reduction
into
high‐value
products
are
promising
strategies
for
addressing
both
environmental
problems
and
energy
crisis.
Duo
to
their
advantageous
visible
light
absorption
ability,
adjustable
optic/electronic
properties,
definite
active
center,
post‐modification
capability,
excellent
stability,
porphyrin‐based
covalent
organic
frameworks
(COFs)
have
emerged
as
attractive
photo/electro‐catalysts
towards
reduction.
In
this
review,
the
research
progress
of
COFs
photo/electro‐catalytic
is
summarized
including
design
principles,
catalytic
performance,
reaction
mechanism.
addition,
review
also
presents
some
challenges
prospects
application
in
reduction,
laying
base
fundamental
efforts.
Since
their
discovery,
metal–organic
frameworks
(MOFs)
and
covalent
organic
(COFs)
featuring
permanent
nanopores
have
transformed
the
landscape
of
porous
materials,
excelling
as
platforms
for
catalysis,
gas
separation,
sensing
thanks
to
exceptional
surface
areas,
adjustable
pore
sizes,
modular
functionality.
However,
MOFs,
while
versatile,
face
stability
challenges
due
coordination
bonds,
whereas
COFs,
although
robust,
lack
metal
sites,
limiting
catalytic
activity,
redox
functionality,
other
metal-specific
applications.
To
bridge
these
gaps,
innovative
such
MCOFs,
which
incorporate
ions
into
COF
lattices;
cluster
frameworks,
formed
by
assembling
clusters
networks;
MOF–COF
composites,
integrate
strengths
both
systems,
emerged.
This
review
explores
synthesis
design
principles
advanced
showcasing
applications
unique
advantages
conferred
composite
nature.
It
provides
insights
future
directions
potential
address
key
in
materials
science
beyond.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Abstract
The
nanoscale
morphologies
of
COFs
deeply
affect
their
performance
in
practical
applications.
However,
it
still
lacks
studies
to
well
understand
formation
mechanism
for
guiding
and
controlling
the
synthesis
desired
nanomorphology.
To
achieve
more
mechanistic
insights
into
nanofibrous
COFs,
herein
a
series
non‐fibrous
are
synthesized
intrinsic
relationships
among
morphology,
chemical
constituent,
structure
planarity,
DFT
calculated
interlayer
stacking
energy
investigated
comprehensively.
study
reveals
planarity
building
monomers
is
not
decisive
forming
COFs.
presence
electron‐withdrawing
triazine
group
amine
electron‐donating
─OH
aldehyde
essential
suppressing
growth
COF
crystallites
x‐y
plane
promoting
z
‐direction
form
morphology
can
be
modulated
by
functional
groups
regulating
competition
between
lateral
reaction
activity
energy.
prepared
exhibited
two‐fold
increased
catalytic
better
stability
than
counterpart
hydrodechlorination.
new
proposed
here
help
open
up
domain
precise
designing
modulating
nanomorphology
from
molecular
level
specific
application.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
Developing
effective
photocatalysts
for
the
oxidation
reaction
is
of
great
significance
in
chemical
synthesis
but
still
challenging.
Herein,
linking
photochromic
triphenylamine
with
pyrene
units
by
situ
formed
robust
imidazole
moieties,
a
covalent
organic
framework
(COF),
PyNTB-COF,
containing
rare
donor-acceptor-π-acceptor-donor
(D-A-π-A-D)
fragment,
was
successfully
synthesized
photocatalytic
aerobic
oxidation.
Structure
characterizations
confirm
its
crystalline
framework,
high
porosity,
and
good
stability.
Property
studies
reveal
photoelectric
semiconductor
feature
photoresponsive
charge
separation
migration
activity
derived
from
D-A-π-A-D
fragments,
proven
experimental
results
theoretical
calculations.
Photocatalytic
experiments
not
only
display
highly
triggering
generation
·O2-
under
visible
light
irradiation
also
exhibit
efficiency
oxidations
toluene
amidation
aldehydes.
This
work
demonstrates
that
integration
into
materials
to
construct
π-conjugated
D-A
moieties
could
enhance
efficiency,
achieving
promising
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
Trivalent
metal
cation
engineering
in
vacancy-ordered
layered
double
perovskites
(LDP)
is
a
useful
strategy
to
tune
photocatalytic
activity.
However,
the
regulatory
mechanism
of
composition
on
performance
still
lacks
in-depth
understanding.
This
study
explores
LDP
with
formula
Cs4CdX2Cl12
(X
=
Bi,
Sb)
for
CO2
reduction.
The
catalytic
fine-tuned
by
regulating
M(III)-site
ions.
yields
CO
and
CH4
from
Cs4CdSb2Cl12
MCs
were
measured
at
23.81
2.68
μmol
g-1,
resulting
selectivity
89.9%.
Cs4CdBi2Cl12
demonstrated
higher
yields,
produced
90.77
2.53
achieving
97.2%.
In
addition,
situ
diffuse
reflectance
infrared
Fourier
transform
spectra
reveal
that
modulation
ions
M(III)-position
can
enhance
activity
MCs.
Density
functional
theory
(DFT)
analysis
suggests
Bi
displays
lower
energy
barrier
than
Sb
rate-determining
step,
thus
facilitating
effective
reduction
CO.
These
findings
highlight
influence
selection
structural
properties
performance.
Single-atom
catalysts
(SACs)
are
prone
to
agglomeration
or
migration
during
catalytic
processes,
making
the
development
of
highly
dispersible
SACs
greatly
essential
for
performance
photocatalytic
CO2
reduction.
Herein,
cobalt-containing
keto-enamine
covalent
organic
frameworks
(COFs)
(Co/TpPa-1)
successfully
in
situ
synthesized
by
utilizing
interlayer
nitrogen
atom
coordinated
with
metallic
cobalt,
which
is
used
effectively
prevent
monometallic
atoms
ensure
homogeneous
dispersion
resulting
metalized
COFs.
In
reduction,
Co/TpPa-1
composite
exhibits
significantly
enhanced
compared
TpPa-1
The
CO
yield
0.05
mM
approximately
414.5
μmol
g-1
h-1,
representing
a
two-order-of-magnitude
improvement
over
COF
catalyst
(approximately
4.15
h-1).
Moreover,
shows
99.45%
selectivity
and
good
stability,
maintaining
97%
reduction
rate
after
four
cycles.
reason
lies
fact
that
interaction
between
monatomic
Co
COFs
enhances
visible
light
absorption
extends
lifetime
photogenerated
carriers
promoting
electron
transfer
through
loaded
Co.
This
work
provides
new
idea
synthesis
high
selectivity.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(43), P. 59030 - 59039
Published: Oct. 15, 2024
The
solar-driven
interfacial
evaporation
(SDIE)
technology
serves
as
a
clean
and
facile
approach
combining
seawater
desalination
to
address
water
shortage
energy
crisis.
Recently,
porous
organic
framework
materials
have
aroused
great
attention,
the
development
of
MOF-based
composites
with
significant
performance
in
photothermal
conversion
activation
has
become
one
important
focuses
this
field.
In
work,
an
composite
membrane
(PON@MOF)
was
prepared
via
situ
growth
metal–organic
(MOF)
nanoneedle
arrays
induced
by
pyridine-based
polymer
nanowire
network
(PON).
PON@MOF
possessed
MOF
array
layer,
PON-induced
support
layer.
PON
is
rich
coordinated
nitrogen
atoms
for
anchoring
metal-ion
source,
main
role
layer
provide
favorable
nucleation
sites
orient
well-aligned
arrays.
With
highly
conjugated
light
trapping
nanoarrays
strengthening
well
hydrophilic
chemical
structure
facilitating
decrease
enthalpy,
realizes
efficient
thermal
vapor
conversion.
Under
solar
irradiation
(1.0
kW
m–2),
demonstrated
rate
2.14
kg
m–2
h–1
solar-to-vapor
efficiency
98.5%.
Meanwhile,
excellent
salt
resistance
stability,
highlighting
its
potential
application
desalination.
Overall,
work
provides
special
idea
structural
design
freshwater
production.
