Bulletin of the Chemical Society of Japan,
Journal Year:
2023,
Volume and Issue:
97(1)
Published: Dec. 1, 2023
Abstract
Nanotechnology
has
revealed
the
science
of
nanoscale.
The
global
challenge
that
will
follow
is
to
build
functional
materials
with
knowledge
nanoscale
phenomena.
This
task
carried
out
by
nanoarchitectonics
as
a
postnanotechnology
concept.
goal
material
systems
architecting
atoms,
molecules,
and
nanomaterials
building
blocks.
Fundamentally,
all
are
made
atoms
molecules.
Therefore,
nanoarchitectonics,
which
architects
from
can
be
universal
way
create
materials.
It
may
said
method
for
everything
in
science.
From
basic
units,
living
cells,
complex
systems,
components
nanoarchitectonics.
paper
presents
recent
examples
research
at
various
size
levels,
atomic
cellular
level,
specifically,
(i)
atomistic
(ii)
molecular
(iii)
supramolecular
(iv)
inorganic
(v)
biomolecular
(vi)
cell-mimic
(vii)
cell-based
possibility
science,
an
integrative
then
explored.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(20), P. 13167 - 13180
Published: Sept. 28, 2023
Covalent–organic
frameworks
(COFs),
as
promising
metal-free
porous
catalysts,
have
become
a
hot
research
topic
in
the
field
of
(photo)catalysis.
Herein,
series
β-ketoenamine
COFs
are
synthesized
using
different
amino
and
aldehyde
monomers,
these
exhibit
diverse
characteristics
terms
crystallinity,
chemical
structure,
microscopic
morphology,
optoelectronic
properties.
TpBD-(CH3)2
from
2,4,6-triformylphloroglucinol
o-tolidine
exhibits
an
extended
π-conjugated
structure
higher
crystallinity
well
more
suitable
redox
potential,
which
greatly
enhances
photocatalytic
activity
benzylamine
oxidation.
Besides,
increased
number
hydroxyl
groups
on
trialdehyde-based
monomer
contributes
to
ketoamines
TpTAB
skeleton,
is
favorable
for
photocatalysis.
Meanwhile,
can
rapidly
increase
their
own
temperature
through
internal
structural
evolution
under
light
irradiation,
thus
boosting
oxidative
coupling
amines
with
high
efficiency.
This
work
could
provide
some
guidance
rational
design
functional
advanced
organic
transformations.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 19, 2024
The
recovery
of
precious
metals
(PMs)
from
secondary
resources
has
garnered
significant
attention
due
to
environmental
and
economic
considerations.
Covalent
organic
frameworks
(COFs)
have
emerged
as
promising
adsorbents
for
this
purpose,
owing
their
tunable
pore
size,
facile
functionalization,
exceptional
chemical
stability,
large
specific
surface
area.
This
review
provides
an
overview
the
latest
research
progress
in
utilizing
COFs
recover
PMs.
Firstly,
design
synthesis
strategies
chemically
stable
COF-based
materials,
including
pristine
COFs,
functionalized
composites,
are
delineated.
Furthermore,
application
gold,
silver,
platinum
group
elements
is
delved
into,
emphasizing
high
adsorption
capacity
selectivity
well
recycling
ability.
Additionally,
various
interaction
mechanisms
between
PM
ions
analyzed.
Finally,
current
challenges
faced
by
field
discussed,
potential
directions
future
development
proposed,
enhancing
recyclability
reusability
COF
materials
realizing
PMs
actual
acidic
wastewater.
With
targeted
can
be
realized
more
economically
efficiently
future.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Covalent
organic
frameworks
(COFs)
have
gained
considerable
attention
due
to
their
design
possibilities
as
the
molecular
building
blocks
that
can
stack
in
an
atomically
precise
spatial
arrangement.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(16), P. 2152 - 2167
Published: Jan. 1, 2024
In
nanoarchitectonics
approaches,
rational
physical
and
chemical
communications
will
lead
to
the
development
of
more
advanced
functional
materials.
Layer-by-layer
assembly
can
be
a
powerful
tool
for
this
purpose,
as
exemplified
in
feature
paper.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(49)
Published: Aug. 17, 2024
Abstract
Covalent
organic
frameworks
(COFs)
are
a
promising
class
of
polymers
with
the
merits
robust
framework,
ultrahigh
porosity,
and
molecularly
precise
backbones,
which
reveals
great
potential
for
solar‐to‐chemical
energy
conversion
in
context
mitigating
environmental
crises.
However,
photochemical
activities
individual
COFs
not
as
desired,
primarily
due
to
their
limited
light
absorption,
insufficient
dissociation
photogenerated
excitons
readily
recombined
carriers.
Recently,
COFs‐based
metal‐free
heterojunctions
synergistic
effects
provide
feasible
route
boost
photocatalytic
activity
more
environmentally
friendly
cost‐competitive
manners.
Herein,
it
is
first
systematically
overview
advances
from
heterojunction
types,
heterointerfaces
interactions,
primary
design
mechanisms.
Then,
typical
photocatalysts
(e.g.,
g‐C
3
N
4
‐COFs,
carbon
materials‐COFs,
polymer
semiconductor‐COFs,
COFs‐COFs
heterojunction)
summarized.
Finally,
challenges
long‐term
outlooks
future
offered
terms
efficiency,
yield,
stability,
cost
reaction
mechanisms,
well
standardized
evaluation
method
activities.
It
anticipated
that
this
review
can
deliver
new
insights
into
fundamental
engineering
conversion,
further
accelerate
development
area.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(20)
Published: March 21, 2024
Abstract
Memristors
are
essential
components
of
neuromorphic
systems
that
mimic
the
synaptic
plasticity
observed
in
biological
neurons.
In
this
study,
a
novel
approach
employing
one‐dimensional
covalent
organic
framework
(1D
COF)
films
was
explored
to
enhance
performance
memristors.
The
unique
structural
and
electronic
properties
two
1D
COF
(COF‐4,4′‐methylenedianiline
(MDA)
COF‐4,4′‐oxydianiline
(ODA))
offer
advantages
for
multilevel
resistive
switching,
which
is
key
feature
computing
applications.
By
further
introducing
TiO
2
layer
on
COF‐ODA
film,
built‐in
electric
field
between
COF‐TiO
interfaces
could
be
generated,
demonstrating
feasibility
utilizing
COFs
as
platform
constructing
memristors
with
tunable
states.
nanochannels
these
structures
contributed
efficient
modulation
electrical
conductance,
enabling
precise
control
over
weights
circuits.
This
study
also
investigated
potential
COF‐based
achieve
energy‐efficient
high‐density
memory
devices.
