Angewandte Chemie International Edition,
Год журнала:
2021,
Номер
60(36), С. 19797 - 19803
Опубликована: Май 27, 2021
Abstract
Covalent
organic
frameworks
(COFs)
have
emerged
as
an
important
class
of
semiconductors
and
photocatalysts
for
the
hydrogen
evolution
reaction
(HER)from
water.
To
optimize
their
photocatalytic
activity,
typically
moieties
constituting
are
considered
most
suitable
combinations
them
searched
for.
However,
effect
covalent
linkage
between
these
on
performance
has
rarely
been
studied.
Herein,
we
demonstrate
that
donor‐acceptor
(D‐A)
type
imine‐linked
COFs
can
produce
with
a
rate
high
20.7
mmol
g
−1
h
under
visible
light
irradiation,
upon
protonation
imine
linkages.
A
significant
red‐shift
in
absorbance,
largely
improved
charge
separation
efficiency,
increase
hydrophilicity
triggered
by
Schiff‐base
COFs,
responsible
performance.
Chemical Reviews,
Год журнала:
2020,
Номер
120(16), С. 8814 - 8933
Опубликована: Янв. 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,
Год журнала:
2020,
Номер
49(11), С. 3565 - 3604
Опубликована: Янв. 1, 2020
The
current
advances,
structure-property
relationship
and
future
perspectives
in
covalent
organic
frameworks
(COFs)
their
nanosheets
for
electrochemical
energy
storage
(EES)
conversion
(EEC)
are
summarized.
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(12), С. 6871 - 6913
Опубликована: Янв. 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.
Journal of Materials Chemistry A,
Год журнала:
2019,
Номер
7(10), С. 5153 - 5172
Опубликована: Янв. 1, 2019
Covalent
triazine
frameworks
(CTFs)
represent
an
exciting
new
type
of
porous
organic
material
(POP),
which
have
some
unique
characteristics,
i.e.,
aromatic
CN
linkage
(triazine
unit)
and
the
absence
any
weak
bonds.
Advanced Energy Materials,
Год журнала:
2020,
Номер
10(19)
Опубликована: Апрель 2, 2020
Abstract
Covalent–organic
frameworks
(COFs),
featuring
structural
diversity,
framework
tunability
and
functional
versatility,
have
emerged
as
promising
organic
electrode
materials
for
rechargeable
batteries
garnered
tremendous
attention
in
recent
years.
The
adjustable
pore
configuration,
coupled
with
the
functionalization
of
through
pre‐
post‐synthesis
strategies,
enables
a
precise
customization
COFs,
which
provides
novel
perspective
to
deepen
understanding
fundamental
problems
materials.
In
this
review,
summary
research
into
COFs
including
lithium‐ion
batteries,
sodium‐ion
potassium‐ion
aqueous
zinc
is
provided.
addition,
review
will
also
cover
working
principles,
advantages
challenges,
strategies
improve
electrochemical
performance,
applications
batteries.
Angewandte Chemie International Edition,
Год журнала:
2019,
Номер
59(13), С. 5050 - 5091
Опубликована: Май 30, 2019
Abstract
A
new
approach
has
been
developed
to
design
organic
polymers
using
topology
diagrams.
This
strategy
enables
covalent
integration
of
units
into
ordered
topologies
and
creates
a
polymer
form,
that
is,
frameworks.
is
breakthrough
in
chemistry
because
it
sets
molecular
platform
for
synthesizing
with
predesignable
primary
high‐order
structures,
which
central
aim
over
century
but
unattainable
traditional
principles.
field
its
own
features
are
distinct
from
conventional
polymers.
Review
summarizes
the
fundamentals
as
well
major
progress
by
focusing
on
used
including
principles,
synthetic
strategies,
control
methods.
We
scrutinize
built‐in
functions
specific
structures
revealing
various
interplays
mechanisms
involved
expression
function.
propose
fundamental
issues
be
addressed
future
directions
physics,
materials,
application
perspectives.
