Accounts of Materials Research,
Год журнала:
2022,
Номер
3(8), С. 879 - 893
Опубликована: Июль 17, 2022
ConspectusPorous
structures
are
ubiquitous,
discovered
in
nature
ranging
from
biological
channels
animals
and
plants
to
various
pores
sediments
minerals
playing
vital
roles
maintaining
activities
ecosystems.
Synthetic
have
been
known
for
over
100
years
currently
continue
be
a
central
subject
the
fields
of
chemistry,
physics,
materials
science,
technology.
A
fundamental
key
issue
is
how
develop
specific
functions
with
pores.
Pores
determined
by
three
parameters,
including
pore
shape,
size,
environment;
design
these
parameters
controlled
manner
subject.
Covalent
organic
frameworks
(COFs)
distinct
class
crystalline
porous
polymers
as
they
combine
covalent
noncovalent
chemistries
result
long-range-ordered
polygonal
skeletons
discrete
The
topological
diagram─the
principle
designing
COFs─enables
predesign
not
only
but
also
pores,
offering
powerful
molecular
platform
constructing
tailor-made
organic/polymeric
materials.
Over
past
decade,
progress
chemistry
has
greatly
enhanced
our
capability
synthesize
COFs
achieve
different
structures.
Especially,
constructed
lightweight
elements,
bonds,
components,
which
offer
numerous
combinations
shapes,
sizes,
interfaces.
These
control
interplay
guest
molecules
ions
determine
property
function
Among
synthetic
materials,
unique
that
topologically
designable
synthetically
controllable.
Two
complementary
strategies,
i.e.,
topology
diagram
surface
engineering,
developed
first
one
emphasizes
situ
approach
second
highlights
postsynthetic
way
tune
finely
yet
precisely.
two
individual
ways
explore
properties,
functional
systems.
Looking
at
features
COFs,
basic
common
structure
well-defined
interface,
constituted
aligned
atoms
side
units
proximate
distance
along
long-axial
direction
distributed
periodically
interfaces
predetermine
their
functions.
In
this
Account,
we
scrutinize
focusing
on
walls
properties
We
highlight
wall
perturbation
demonstrate
decisive
structural
formation
expression.
summarize
perspectives,
issues
addressed,
opportunities
aim
showing
promising
next-stage
designs.
ACS Nano,
Год журнала:
2023,
Номер
17(3), С. 1879 - 1905
Опубликована: Янв. 30, 2023
Covalent
organic
frameworks
(COFs)
are
a
type
of
crystalline
porous
material
with
specific
features
and
interesting
structures,
including
porosity,
large
surface
area,
biocompatibility.
These
enable
COFs
to
be
considered
as
excellent
candidates
for
applications
in
various
fields.
Recently,
have
been
widely
demonstrated
promising
materials
biomedical
because
their
physicochemical
properties
ultrathin
structures.
In
this
review,
we
cover
the
recent
progress
COF
photodynamic
therapy,
gene
delivery,
photothermal
drug
bioimaging,
biosensing,
combined
therapies.
Moreover,
critical
challenges
further
perspectives
regards
future
biology-facing
also
discussed.
Accounts of Chemical Research,
Год журнала:
2022,
Номер
55(7), С. 1047 - 1058
Опубликована: Март 16, 2022
Stimuli-responsive
smart
materials
that
can
undergo
reversible
chemical/physical
changes
under
external
stimuli
such
as
mechanical
stress,
heat,
light,
gas,
electricity,
and
pH,
are
currently
attracting
increasing
attention
in
the
fields
of
sensors,
actuators,
optoelectronic
devices,
information
storage,
medical
applications,
so
forth.
The
current
mostly
concentrate
on
polymers,
carbon
materials,
crystalline
liquids,
hydrogels,
which
have
no
or
low
structural
order
(i.e.,
responsive
groups/moieties
disorderly
structures),
inevitably
introducing
deficiencies
a
relatively
response
speeds,
energy
transformation
inefficiencies,
unclear
structure-property
relationships.
Consequently,
with
well-defined
regular
molecular
arrays
offer
new
opportunity
to
create
novel
improved
stimuli-responsive
performance.
Crystalline
include
framework
(e.g.,
metal-organic
frameworks,
MOFs;
covalent
organic
COFs)
crystals
molecules
cages),
obvious
advantages
compared
amorphous
materials.
For
example,
be
uniformly
installed
skeleton
crystal
form
ordered
arrays,
making
transfer
between
external-stimulus
signals
sites
much
faster
more
efficiently.
Besides
that,
structures
facilitate
situ
characterization
their
at
level
by
means
various
techniques
high-tech
equipment
spectra
single-crystal/powder
X-ray
diffraction,
thus
benefiting
investigation
understanding
mechanism
behind
behaviors
Nevertheless,
some
unsolved
challenges
remain
for
(CSMs),
hampering
fabrication
material
systems
practical
applications.
instance,
materials'
crystallinity
increases,
processability
properties
usually
decrease,
unavoidably
hindering
application.
Moreover,
exist
micro/nanosized
powders,
difficult
make
macroscale.
Thus,
developing
strategies
balance
establishing
macroscale
great
significance
applications.In
this
Account,
we
mainly
summarize
recent
research
progress
achieved
our
groups,
including
(i)
rational
design
an
in-depth
relationship
(ii)
creating
modification
improve
Overall,
Account
summarizes
state-of-the-art
points
out
existing
future
development
directions
field.
Advanced Materials,
Год журнала:
2022,
Номер
35(24)
Опубликована: Дек. 23, 2022
Abstract
Organic
photochemistry
is
intensely
developed
in
the
1980s,
which
nature
of
excited
electronic
states
and
energy
electron
transfer
processes
are
thoroughly
studied
finally
well‐understood.
This
knowledge
from
molecular
organic
can
be
transferred
to
design
covalent
frameworks
(COFs)
as
active
visible‐light
photocatalysts.
COFs
constitute
a
new
class
crystalline
porous
materials
with
substantial
application
potentials.
Featured
outstanding
structural
tunability,
large
porosity,
high
surface
area,
excellent
stability,
unique
photoelectronic
properties,
potential
candidates
various
research
areas
(e.g.,
photocatalysis).
review
aims
provide
state‐of‐the‐art
insights
into
COF
photocatalysts
(pristine,
functionalized,
hybrid
COFs)
for
transformations.
The
catalytic
reaction
mechanism
COF‐based
influence
dimensionality
crystallinity
on
heterogenous
photocatalysis
performance
also
discussed,
followed
by
perspectives
prospects
main
challenges
opportunities
future
Nanoscale,
Год журнала:
2022,
Номер
14(5), С. 1679 - 1699
Опубликована: Янв. 1, 2022
The
fossil-fuel
shortage
and
severe
environmental
issues
have
posed
ever-increasing
demands
on
clean
renewable
energy
sources,
for
which
the
exploration
of
electrocatalysts
has
been
a
big
challenge
toward
transfer
storage.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(28), С. 15465 - 15472
Опубликована: Июль 7, 2023
Developing
diverse
synthetic
routes
to
prepare
various
crystalline
covalent
organic
frameworks
(COFs)
and
enrich
the
family
of
COFs
is
very
important
highly
desirable.
In
this
research,
we
demonstrate
that
Kröhnke
oxidation
(originally
developed
carbonyl
compounds)
can
be
employed
as
an
efficient
method
construct
two
nitrone-linked
(CityU-1
CityU-2)
through
ingenious
design
polynitroso-containing
precursors
well
exquisite
control
polymerization
conditions.
The
formation
structure
nitrone-based
linkage
units
have
been
confirmed
a
mode
reaction.
as-obtained
characterized
by
Fourier
transform
infrared
X-ray
photoelectron
spectroscopy,
powder
diffraction
patterns,
scanning
electron
microscopy.
Notably,
CityU-1
exhibits
BET
specific
surface
area
497.9
m2g-1
with
I2
capture
capacity
3.0
g
g-1
at
75
°C.
Our
research
would
provide
more
chances
for
applications.
Advanced Functional Materials,
Год журнала:
2022,
Номер
33(1)
Опубликована: Ноя. 14, 2022
Abstract
Confronted
by
the
difficulties
of
von
Neumann
bottleneck
and
memory
wall,
traditional
computing
systems
are
gradually
inadequate
for
satisfying
demands
future
data‐intensive
applications.
Recently,
memristors
have
emerged
as
promising
candidates
advanced
in‐memory
neuromorphic
computing,
which
pave
one
way
breaking
through
dilemma
current
architecture.
Till
now,
varieties
functional
materials
been
developed
constructing
high‐performance
memristors.
Herein,
review
focuses
on
emerging
2D
MXene
materials‐based
First,
mainstream
synthetic
strategies
characterization
methods
MXenes
introduced.
Second,
different
types
MXene‐based
memristive
their
widely
adopted
switching
mechanisms
overviewed.
Third,
recent
progress
data
storage,
artificial
synapses,
logic
circuits
is
comprehensively
summarized.
Finally,
challenges,
development
trends,
perspectives
discussed,
aiming
to
provide
guidelines
preparation
novel
more
engaging
information
technology
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(13), С. 4173 - 4207
Опубликована: Янв. 1, 2023
This
review
summarises
the
advancements
of
stimuli-responsive
membranes,
focusing
on
chemistry,
controllable
membrane
properties,
preparation,
and
advanced
applications.
