Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(22), P. 7949 - 8004
Published: Jan. 1, 2023
Photocatalytic
organic
reactions,
harvesting
solar
energy
to
produce
high
value-added
chemicals,
have
attracted
increasing
attention
as
a
sustainable
approach
address
the
global
crisis
and
environmental
issues.
Reticular
framework
materials,
including
metal-organic
frameworks
(MOFs)
covalent
(COFs),
are
widely
considered
promising
candidates
for
photocatalysis
owing
their
crystallinity,
tailorable
pore
environment
extensive
structural
diversity.
Although
design
synthesis
of
MOFs
COFs
been
intensively
developed
in
last
20
years,
applications
photocatalytic
transformations
still
preliminary
stage,
making
systematic
summary
necessary.
Thus,
this
review
aims
provide
comprehensive
understanding
useful
guidelines
exploration
suitable
MOF
COF
photocatalysts
towards
appropriate
reactions.
The
commonly
used
reactions
categorized
facilitate
identification
reaction
types.
From
practical
viewpoint,
fundamentals
experimental
design,
active
species,
performance
evaluation
external
conditions,
discussed
detail
easy
experimentation.
Furthermore,
latest
advances
COFs,
composites,
comprehensively
summarized
according
actual
sites,
together
with
discussion
structure-property
relationship.
We
believe
that
study
will
be
helpful
researchers
novel
reticular
various
synthetic
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 10, 2024
Abstract
Covalent
organic
frameworks
(COFs)
attract
significant
attention
due
to
their
ordered,
crystalline,
porous,
metal‐free,
and
predictable
structures.
These
unique
characteristics
offer
great
opportunities
for
the
diffusion
transmission
of
photogenerated
charges
during
photocatalysis.
Currently,
a
considerable
number
COFs
are
used
as
metal‐free
semiconductor
photocatalysts.
This
review
aims
understand
relationships
between
structure
photocatalysis
performance
provides
in‐depth
insight
into
synthetic
strategy
improve
performance.
Subsequently,
focuses
on
structural
motif
in
sustainable
photocatalytic
hydrogen
evolution,
carbon
dioxide
reduction,
peroxide
generation,
compound
transformations.
Last,
conjunction
with
progress
achieved
challenges
yet
be
overcome,
candid
discussion
is
undertaken
regarding
field
COF
photocatalysis,
accompanied
by
presentation
potential
research
avenues
future
directions.
seeks
provide
readers
comprehensive
understanding
pivotal
role
robust
guidance
innovative
utilization
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(28), P. 15473 - 15481
Published: July 8, 2023
Three-dimensional
covalent
organic
frameworks
(3D
COFs),
with
interconnected
pores
and
exposed
functional
groups,
provide
new
opportunities
for
the
design
of
advanced
materials
through
postsynthetic
modification.
Herein,
we
demonstrate
successful
annulation
3D
COFs
to
construct
efficient
CO2
reduction
photocatalysts.
Two
COFs,
NJU-318
NJU-319Fe,
were
initially
constructed
by
connecting
hexaphenyl-triphenylene
units
pyrene-
or
Fe-porphyrin-based
linkers.
Subsequently,
moieties
within
postsynthetically
transformed
into
π-conjugated
hexabenzo-trinaphthylene
(pNJU-318
pNJU-319Fe)
enhance
visible
light
absorption
photoreduction
activity.
The
optimized
photocatalyst,
pNJU-319Fe,
shows
a
CO
yield
688
μmol
g-1,
representing
2.5-fold
increase
compared
that
unmodified
NJU-319Fe.
Notably,
direct
synthesis
hexabenzo-trinaphthylene-based
COF
catalysts
was
unsuccessful
due
low
solubility
conjugated
This
study
not
only
provides
an
effective
method
photocatalysts
but
also
highlights
unlimited
tunability
structural
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(37)
Published: June 2, 2023
Abstract
Covalent
organic
frameworks
(COFs)
are
crystalline
porous
materials
that
hold
a
wealth
of
potential
applications
across
various
fields.
The
development
COFs,
however,
is
significantly
impeded
by
the
dearth
efficient
synthetic
methods.
traditional
solvothermal
approach,
while
prevalent,
fraught
with
challenges
such
as
complicated
processes,
excessive
energy
consumption,
long
reaction
times,
and
limited
scalability,
rendering
it
unsuitable
for
practical
applications.
quest
simpler,
quicker,
more
energy‐efficient,
environmentally
benign
strategies
thus
paramount
bridging
gap
between
academic
COF
chemistry
industrial
application.
This
Review
provides
an
overview
recent
advances
in
alternative
methods,
particular
emphasis
on
input.
We
discuss
representative
examples
synthesis
facilitated
microwave,
ultrasound,
mechanic
force,
light,
plasma,
electric
field,
electron
beam.
Perspectives
advantages
limitations
these
methods
against
approach
highlighted.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(35)
Published: June 1, 2023
Owing
to
the
wide
and
growing
demand
for
primary
alcohols,
development
of
efficient
catalysts
with
high
regioselectivity
remains
a
worthwhile
pursuit.
However,
according
Markovnikov's
rule,
it
is
challenge
obtain
alcohols
yields
from
terminal
alkenes
or
alkynes.
Herein,
we
report
synthesis
photosensitizing
two-dimensional
(2D)
metal-organic
framework
(MOF)
cyclic
trinuclear
copper(I)
units
(Cu-CTUs)
boron
dipyrro-methene
(Bodipy)
ligand.
The
MOF
features
broadband
light
absorption,
excellent
photoinduced
charge
separation
efficiency,
photochemical
properties.
By
integrating
copper-catalyzed
hydroboration
photocatalyzed
aerobic
oxidation,
can
catalyze
alkynes
produce
via
one-pot
tandem
reaction
regioselectivity,
good
overall
in
two-step
reactions
(up
85
%),
broad
substrate
compatibility
(32
examples)
reusability
under
mild
conditions.
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.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 14, 2024
Abstract
Solar
energy
is
a
primary
form
of
renewable
energy,
and
photothermal
conversion
direct
process
with
tunable
efficiency.
Among
various
kinds
materials,
porous
organic
polymers
(POP)
are
widely
investigated
owing
to
their
controllable
molecular
design,
tailored
structures,
good
absorption
solar
light,
low
thermal
conductivity.
A
variety
POP,
such
as
conjugated
microporous
(CMP),
covalent
frameworks
(COF),
hyper‐crosslinked
(HCP),
intrinsic
microporosity
(PIM),
ionic
(PIP),
developed
applied
in
applications
seawater
desalination,
latent
storage,
biomedical
fields.
In
this
review,
comprehensive
overview
the
recent
advances
POP
for
provided.
The
micro
structure
characteristics
macro
morphology
designed
heat
phototherapy
photodynamic
therapy,
drug
delivery.
Besides,
probe
into
underlying
mechanism
structural
design
constructing
excellent
performance
methodicalized.
Finally,
remaining
challenges
prospective
opportunities
future
development
energy‐driven
elucidated.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(41), P. 22329 - 22334
Published: Oct. 4, 2023
The
limited
structural
diversity
of
three-dimensional
covalent
organic
frameworks
(3D
COFs)
greatly
restricts
their
application
exploration.
Therefore,
there
is
an
urgent
need
to
expand
library
molecular
building
blocks,
such
as
the
development
highly
connected
(>4
reaction
sites)
polyhedral
nodes.
Herein,
by
precisely
controlling
precursor
conformation,
we
rationally
designed
a
new
6-connected
triangular
prism
node
derived
from
triphenylbenzene
molecule
and
further
used
it
construct
novel
3D
COF
(3D-TMTAPB-COF)
via
imine
condensation
reaction.
Surprisingly,
without
addition
competing
reagents,
3D-TMTAPB-COF
crystallized
directly
into
single
crystals
∼15
μm
in
size
was
determined
adopt
rare
6-fold
interpenetrated
(Class
IIIa
interpenetration)
acs
topology.
In
addition,
showed
high
SF6
adsorption
capacity
(60.9
cm3
g-1)
good
SF6/N2
selectivity
(335)
at
298
K
1
bar,
superior
those
most
crystalline
porous
materials.
This
work
not
only
confirms
possibility
growing
large-size
single-crystal
COFs
formed
with
strong
bonds
solvothermal
method
absence
modulators,
but
also
reports
for
future
construction
interesting
applications.
