ACS Central Science,
Journal Year:
2019,
Volume and Issue:
5(3), P. 409 - 418
Published: March 4, 2019
Porous
aromatic
frameworks
(PAFs),
which
are
well-known
for
their
large
surface
areas,
associated
porosity,
diverse
structures,
and
superb
stability,
have
recently
attracted
broad
interest.
Taking
advantage
of
widely
available
building
blocks
various
coupling
strategies,
customized
porous
architectures
can
be
prepared
exclusively
through
covalent
bonding
to
satisfy
necessary
requirements.
In
addition,
PAFs
composed
phenyl-ring-derived
fragments
that
easily
modified
with
desired
functional
groups
the
help
established
synthetic
chemistry
techniques.
On
basis
material
design
preparative
chemistry,
this
review
mainly
focuses
on
recent
advances
in
structural
chemical
characteristics
potential
utilizations,
including
molecule
storage,
gas
separation,
catalysis,
ion
extraction.
Additionally,
a
concise
outlook
rational
construction
is
discussed
terms
developing
next-generation
materials
broader
applications.
Chemical Reviews,
Journal Year:
2020,
Volume and Issue:
120(16), P. 8814 - 8933
Published: Jan. 22, 2020
Covalent
organic
frameworks
(COFs)
are
a
class
of
crystalline
porous
polymers
with
permanent
porosity
and
highly
ordered
structures.
Unlike
other
polymers,
significant
feature
COFs
is
that
they
structurally
predesignable,
synthetically
controllable,
functionally
manageable.
In
principle,
the
topological
design
diagram
offers
geometric
guidance
for
structural
tiling
extended
polygons,
polycondensation
reactions
provide
synthetic
ways
to
construct
predesigned
primary
high-order
Progress
over
past
decade
in
chemistry
these
two
aspects
undoubtedly
established
base
COF
field.
By
virtue
availability
units
diversity
topologies
linkages,
have
emerged
as
new
field
materials
offer
powerful
molecular
platform
complex
tailor-made
functional
development.
Here
we
target
comprehensive
review
field,
historic
overview
survey
advances
topology
reactions,
illustrate
features
diversities,
scrutinize
development
potential
various
functions
through
elucidating
structure–function
correlations
based
on
interactions
photons,
electrons,
holes,
spins,
ions,
molecules,
discuss
key
fundamental
challenging
issues
need
be
addressed,
predict
future
directions
from
chemistry,
physics,
perspectives.
Chemical Society Reviews,
Journal Year:
2020,
Volume and Issue:
49(12), P. 4135 - 4165
Published: Jan. 1, 2020
In
the
light
of
increasing
energy
demand
and
environmental
pollution,
it
is
urgently
required
to
find
a
clean
renewable
source.
these
years,
photocatalysis
that
uses
solar
for
either
fuel
production,
such
as
hydrogen
evolution
hydrocarbon
or
pollutant
degradation,
has
shown
great
potential
achieve
this
goal.
Among
various
photocatalysts,
covalent
organic
frameworks
(COFs)
are
very
attractive
due
their
excellent
structural
regularity,
robust
framework,
inherent
porosity
good
activity.
Thus,
many
studies
have
been
carried
out
investigate
photocatalytic
performance
COFs
COF-based
photocatalysts.
critical
review,
recent
progress
advances
COF
photocatalysts
thoroughly
presented.
Furthermore,
diverse
linkers
between
building
blocks
boron-containing
connections
nitrogen-containing
summarised
compared.
The
morphologies
several
commonly
used
strategies
pertaining
activity
also
discussed.
Following
this,
applications
detailed
including
evolution,
CO2
conversion
degradation
contaminants.
Finally,
summary
perspective
on
opportunities
challenges
future
development
given.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(12), P. 6871 - 6913
Published: Jan. 1, 2021
This
review
article
summarizes
the
design
principles
and
strategies
for
synthesis
of
functional
COFs,
with
a
special
focus
on
their
potential
electrochemical
applications.
Angewandte Chemie International Edition,
Journal Year:
2019,
Volume and Issue:
58(19), P. 6430 - 6434
Published: March 19, 2019
The
construction
of
stable
covalent
organic
frameworks
(COFs)
for
various
applications
is
highly
desirable.
Herein,
we
report
the
synthesis
a
novel
two-dimensional
(2D)
porphyrin-based
sp2
carbon-conjugated
COF
(Por-sp2
c-COF),
which
adopts
an
eclipsed
AA
stacking
structure
with
Brunauer-Emmett-Teller
surface
area
689
m2
g-1
.
Owing
to
C=C
linkages,
Por-sp2
c-COF
shows
high
chemical
stability
under
conditions,
even
harsh
conditions
such
as
9
m
HCl
and
NaOH
solutions.
Interestingly,
can
be
used
metal-free
heterogeneous
photocatalyst
visible-light-induced
aerobic
oxidation
amines
imines.
More
importantly,
in
comparison
imine-linked
Por-COF,
inherent
equips
it
several
advantages
photocatalyst,
including
reusability
photocatalytic
performance.
This
clearly
demonstrates
that
carbon-linked
2D
COFs
provide
interesting
platform
photocatalysis.
Chemical Society Reviews,
Journal Year:
2020,
Volume and Issue:
49(23), P. 8469 - 8500
Published: Jan. 1, 2020
Covalent
organic
frameworks
(COFs)
have
entered
the
stage
as
a
new
generation
of
porous
polymers
which
stand
out
by
virtue
their
crystallinity,
diverse
framework
topologies
and
accessible
pore
systems.
An
important
-
but
still
underdeveloped
feature
COFs
is
potentially
superior
stability
in
comparison
to
other
materials.
Achieving
are
simultaneously
crystalline,
stable,
functional
challenging
reversible
bond
formation
one
prime
prerequisites
for
crystallization
COFs.
However,
COF
field
matures
strategies
surfaced
that
bypass
this
crystallinity
dichotomy.
Three
major
approaches
obtaining
both
stable
crystalline
taken
form
recent
years:
Tweaking
reaction
conditions
linkages,
separating
order
inducing
step
step,
controlling
structural
degrees
freedom
during
assembly
final
COF.
This
review
discusses
rational
engineering
COFs,
apt
at
overcoming
current
challenges
design
open
up
avenues
real-world
applications
Advanced Science,
Journal Year:
2018,
Volume and Issue:
6(2)
Published: Nov. 12, 2018
Abstract
Covalent
organic
frameworks
(COFs)
are
an
emerging
class
of
functional
nanostructures
with
intriguing
properties,
due
to
their
unprecedented
combination
high
crystallinity,
tunable
pore
size,
large
surface
area,
and
unique
molecular
architecture.
The
range
properties
characterized
in
COFs
has
rapidly
expanded
include
those
interest
for
numerous
applications
ranging
from
energy
environment.
Here,
a
background
overview
is
provided,
consisting
brief
introduction
porous
materials
the
design
feature
COFs.
Then,
recent
advancements
as
designer
platform
plethora
emphasized
together
discussions
about
strategies
principles
involved.
Finally,
challenges
remaining
this
type
material
real
outlined.
Materials Horizons,
Journal Year:
2019,
Volume and Issue:
7(2), P. 411 - 454
Published: Sept. 16, 2019
The
review
focuses
on
recent
developments
in
the
synthetic
methodologies
of
COFs
and
their
applications
field
organocatalysis,
electrocatalysis
photocatalysis.
Future
scope
are
also
described.
