Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(26)
Published: April 15, 2024
Abstract
The
synthesis
and
characterization
of
porphyrin
center
regulated
three‐dimensional
covalent
organic
frameworks
(COFs)
with
2‐fold
interpenetrated
scu
or
sqc
topology
have
been
investigated.
These
COFs
exhibit
unique
structural
features
properties,
making
them
promising
candidates
for
photocatalytic
applications
in
CO
2
reduction
artemisinin
synthesis.
serves
as
an
anchor
metal
ions,
allowing
precise
control
over
structures
functions
the
frameworks.
Furthermore,
coordination
within
framework
imparts
desirable
catalytic
enabling
their
potential
use
reactions.
Overall,
these
metal‐controlled
offer
exciting
opportunities
development
advanced
materials
tailored
functionalities.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(26)
Published: April 15, 2024
Abstract
The
synthesis
and
characterization
of
porphyrin
center
regulated
three‐dimensional
covalent
organic
frameworks
(COFs)
with
2‐fold
interpenetrated
scu
or
sqc
topology
have
been
investigated.
These
COFs
exhibit
unique
structural
features
properties,
making
them
promising
candidates
for
photocatalytic
applications
in
CO
2
reduction
artemisinin
synthesis.
serves
as
an
anchor
metal
ions,
allowing
precise
control
over
structures
functions
the
frameworks.
Furthermore,
coordination
within
framework
imparts
desirable
catalytic
enabling
their
potential
use
reactions.
Overall,
these
metal‐controlled
offer
exciting
opportunities
development
advanced
materials
tailored
functionalities.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(29), P. 19680 - 19685
Published: July 9, 2024
The
pore
shapes
of
two-dimensional
covalent
organic
frameworks
(2D
COFs)
significantly
limit
their
practical
applications
in
separation
and
catalysis.
Although
various
2D
COFs
with
polygonal
pores
have
been
well
developed,
constructing
pentagonal
remains
an
enormous
challenge.
In
this
work,
we
developed
one
kind
the
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Furthering
the
field
of
synthetic
organic
chemistry
from
discrete
molecules
regime
to
extended
structure
regime,
covalent
frameworks
(COFs)
represent
a
new
genre
crystalline
porous
materials
featuring
designability
with
molecular-level
precision,
well-defined
porosity,
and
exceptional
stability
imparted
by
robust
linkages
reticulating
molecules.
The
topology
COFs
is
principal
feature
that
regulates
their
functionality
usability
for
emerging
technologies.
Profound
comprehension
network
topologies
maneuvering
them
toward
targeted
applications
are
crucial
advancing
realm
COF
research
developing
novel
functional
exciting
breakthroughs.
In
this
Perspective,
we
discuss
recent
pursuits
contributing
discovery
highly
connected
nets
having
topologies,
assess
key
challenges
achieving
such
offer
insights
into
current
scenario
future
directions.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(37), P. 25832 - 25840
Published: Sept. 4, 2024
The
connectivity
(valency)
of
building
blocks
for
constructing
3D
covalent
organic
frameworks
(COFs)
has
long
been
limited
to
4,
6,
8,
and
12.
Developing
a
higher
remains
great
challenge
in
the
field
COF
structural
design.
Herein,
this
work
reports
hierarchical
expansion
strategy
making
16-connected
construct
COFs
with
sqc
topology.
[16
+
2]
construction
achieved
by
condensation
between
carbazolyl
dicyanobenzene-based
block
(CzTPN)
linear
diamino
linkers
(BD
or
Bpy)
affords
two
(named
CzBD
CzBpy
COF).
Furthermore,
attributed
well-organized
donor-acceptor
(D-A)
heterojunction,
Ni
chelated
(Ni@CzBpy
COF)
exhibits
excellent
performance
photoredox/Ni
dual
catalytic
C(sp
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 25, 2024
Solid-state
batteries
(SSBs)
have
garnered
significant
attention
in
the
critical
field
of
sustainable
energy
storage
due
to
their
potential
benefits
safety,
density,
and
cycle
life.
The
large-scale,
cost-effective
production
SSBs
necessitates
development
high-performance
solid-state
electrolytes.
However,
manufacturing
relies
heavily
on
advancement
suitable
Composite
polymer
electrolytes
(CPEs),
which
combine
advantages
ordered
microporous
materials
(OMMs)
electrolytes,
meet
requirements
for
high
ionic
conductivity/transference
number,
stability
with
respect
electrodes,
compatibility
established
processes,
cost-effectiveness,
making
them
particularly
well-suited
mass
SSBs.
This
review
delineates
how
structural
ordering
dictates
fundamental
physicochemical
properties
OMMs,
including
ion
transport,
thermal
transfer,
mechanical
stability.
applications
prominent
OMMs
are
critically
examined,
such
as
metal-organic
frameworks,
covalent
organic
zeolites,
CPEs,
highlighting
facilitates
fulfillment
property
requirements.
Finally,
an
outlook
is
provided,
exploring
CPEs
can
be
enhanced
through
dimensional
design
importance
uncovering
underlying
"feature-function"
mechanisms
various
CPE
types
underscored.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(47), P. 32161 - 32205
Published: Nov. 18, 2024
Covalent
organic
frameworks
(COFs)
are
created
by
the
condensation
of
molecular
building
blocks
and
nodes
to
form
two-dimensional
(2D)
or
three-dimensional
(3D)
crystalline
frameworks.
The
diversity
with
different
properties
functionalities
large
number
possible
framework
topologies
open
a
vast
space
well-defined
porous
architectures.
Besides
more
classical
applications
materials
such
as
absorption,
separation,
catalytic
conversions,
interest
in
optoelectronic
COFs
has
recently
increased
considerably.
electronic
both
their
linkage
chemistry
can
be
controlled
tune
photon
absorption
emission,
create
excitons
charge
carriers,
use
these
carriers
photocatalysis,
luminescence,
chemical
sensing,
photovoltaics.
In
this
Perspective,
we
will
discuss
relationship
between
structural
features
properties,
starting
connectivity,
layer
stacking
2D
COFs,
control
over
defects
morphology
including
thin
film
synthesis,
exploring
theoretical
modeling
structural,
electronic,
dynamic
discussing
recent
intriguing
focus
on
photocatalysis
photoelectrochemistry.
We
conclude
some
remarks
about
present
challenges
future
prospects
powerful
architectural
paradigm.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 3063 - 3070
Published: June 18, 2024
Here,
we
report
the
discovery
of
first
(8,8)-connected
three-dimensional
(3D)
covalent
organic
framework
(COF),
TUS-88,
having
bcu
topology
by
linking
an
8-connected
D4h-symmetric
quadrangular
prism
node
to
D2h-symmetric
tetragonal
node.
Derived
from
π-aromatic
conjugated
system
pyrene
and
abundant
aromatic
phenyl
rings
composing
COF
scaffold,
which
promotes
stronger
π···π
interactions
with
benzene
(Bz)
molecules,
a
superlative
Bz
uptake
464
cm3
g–1
was
achieved
for
coupled
exemplary
cyclohexane
(Cy)
224
ideal
Bz/Cy
selectivity
2.07
are
current
benchmark.
Breakthrough
experiments
accomplished
using
(1:1,
v/v)
mixture
corroborated
preferential
adsorption
generate
high-purity
Cy
significant
time
interval
75.4
min
record-setting
breakthrough
2.46.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 8, 2025
The
diversity
of
covalent
organic
frameworks
(COFs)
is
continuously
expanding,
providing
various
materials
with
tailor-made
structures
and
properties.
However,
the
development
crystalline
three-dimensional
(3D)
COFs
new
topologies
an
essential
but
arduous
challenge.
In
this
study,
we
first
developed
one
kind
3D
lil
topological
structure,
which
were
assembled
by
D4h-
C2h-symmetric
building
blocks.
determined
in
a
space
group
Imma,
each
D4h-symmetric
unit
connected
four
units,
forming
noninterpenetrated
network.
densely
packed
copper
phthalocyanine
stable
polyimide
linkage
render
these
as
polymeric
material
high
dielectric
constant
low
loss
at
frequencies
(>1
kHz).
Significantly,
was
63,
constitutes
record
value
among
phthalocyanine-based
polymers.
Therefore,
study
not
only
provides
important
guidance
for
design
lil-net
also
supplies
promising
application
high-energy-density
pulsed
capacitors.
