Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(38), P. 26198 - 26206
Published: Sept. 10, 2024
Covalent
organic
frameworks
(COFs)
have
potential
applications
in
a
wide
range
of
fields.
However,
it
remains
critical
challenge
to
constrain
their
covalent
expansions
the
one-dimensional
(1D)
direction.
Here,
we
developed
general
approach
fabricate
15
different
highly
crystalline
COFs
with
zigzag-packed
1D
porous
chains
through
condensation
V-shaped
ditopic
linkers
and
X-shaped
tetratopic
knots.
Appropriate
geometrical
combinations
scope
knots
distinct
aromatic
cores,
linkages,
functionalities
offer
series
quasi-1D
dominant
pore
sizes
7-13
Å
surface
areas
116-784
m
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(11), P. 4493 - 4500
Published: May 10, 2024
Two
new
crystalline
metal–organic
frameworks
(MOFs)
ZnPHTIA
and
ZnBPTIA
were
synthesized
using
Zn(II)
metal
salt
5-triazole
isophthalic
acid
(TIA)
in
the
presence
of
coligands
1,10-phenanthroline
(PH)
4,4′-bipyridine
(BP),
respectively.
Single-crystal
structures
revealed
different
types
Zn–N
coordination
environments
degrees
dimensionality
structures.
High
numbers
extended
these
MOFs
acted
as
efficient
photocatalysts
for
degradation
methylene
blue
dye.
High-resolution
mass
spectra,
fluorescence,
ESR
spectra
measurements
catalyst
that
OH·
radicals
are
responsible
photodegradation.
Photocatalytic
efficiency
was
also
compared
with
noncoligand-based
ZnTIA-1
framework.
Among
all,
(98.2%)
shows
excellent
catalytic
ZnTIA-1.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 3, 2024
Abstract
The
rational
design
of
bifunctional
photocatalysts
with
high
adsorption
and
enrichment
characteristics
excellent
photocatalytic
redox
activity
is
an
effective
way
to
address
environmental
pollution
energy
shortage
crisis.
In
this
study,
cyclophosphazene‐derived
porous
organic
polymer
(PCPD)
microspheres
P─N
linkage
are
coated
graphene
oxide
(GO)
loaded
Ag
0
nanoparticles
(NPs)
prepare
covalently
bonded
xAg‐rGO/PCPD
composites.
catalyst
the
highest
specific
surface
area
(denoted
as
2.5Ag‐rGO/PCPD)
shows
capacity
for
fluoroquinolone
antibiotics,
removing
96.2%
ciprofloxacin
(CIP)
through
adsorption.
By
applying
best
5Ag‐rGO/PCPD),
82.97%
refractory
sulfonamide
antibiotics
removed
adsorption‐degradation,
635.3
µmol
g
−1
CO
162.3
CH
4
generated
products
2
photoreduction
alone.
Among
co‐catalytic
systems,
yield
9.16
obtained
by
coupling
reduction
levofloxacin
(LVX)
degradation
harness
electron‐donating
power
pollutant
molecule.
This
study
expected
provide
useful
guidance
photocatalysts.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(38), P. 26198 - 26206
Published: Sept. 10, 2024
Covalent
organic
frameworks
(COFs)
have
potential
applications
in
a
wide
range
of
fields.
However,
it
remains
critical
challenge
to
constrain
their
covalent
expansions
the
one-dimensional
(1D)
direction.
Here,
we
developed
general
approach
fabricate
15
different
highly
crystalline
COFs
with
zigzag-packed
1D
porous
chains
through
condensation
V-shaped
ditopic
linkers
and
X-shaped
tetratopic
knots.
Appropriate
geometrical
combinations
scope
knots
distinct
aromatic
cores,
linkages,
functionalities
offer
series
quasi-1D
dominant
pore
sizes
7-13
Å
surface
areas
116-784
m
