Chemistry of Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 3, 2024
The
smart
design
of
a
conjugated
organic
framework
with
tunable
redox
functionalities
could
lead
to
multistate
color
switching
under
minimal
operating
voltage,
which
is
desirable
for
low-energy-consuming
optoelectronics.
Herein,
we
have
developed
two-dimensional
electrochromic
covalent
(EC-COF)
film
exhibiting
broad
absorption
across
the
ultraviolet–visible–near-infrared
(NIR)
range
applied
potentials.
EC-COF
films
grown
on
an
indium
tin
oxide-coated
glass
substrate
show
three-state
anodic
electrochromism
high
contrast
∼60%
in
NIR
region.
shows
reversible
changes
coloration
efficiency
and
fast
response
(coloration
time:
4.9
s;
bleaching
10.6
s
at
1100
nm).
highly
porous
nature
facilitates
ion
movement
through
1D
pore
channels.
Demonstrating
real-time
application
electrochemical
attributes,
developed,
first
time,
prototype
device
employing
as
safety
indicator
electronic
circuits.
device,
coupled
customized
cellphone
application,
has
been
demonstrated
monitoring
sensor
systems
subtle
variation
potentials
close-to-perfect
accuracy
∼98%.
current
study
provides
new
avenue
function-led
development
multicolored
materials
advanced
energy-efficient
display
devices.
Materials Advances,
Год журнала:
2024,
Номер
5(10), С. 4055 - 4077
Опубликована: Янв. 1, 2024
We
thoroughly
discussed
the
practical
applications
of
vPOPs
in
environmental
remediation,
encompassing
various
tasks
such
as
removing
organic/inorganic
pollutants,
adsorbing
iodine/toxic
gases,
storing
and
converting
energy
etc
.
ACS Nano,
Год журнала:
2024,
Номер
18(15), С. 10485 - 10494
Опубликована: Апрель 2, 2024
Producing
high-quality
two-dimensional
(2D)
covalent
organic
frameworks
(COFs)
is
crucial
for
industrial
applications.
However,
this
remains
significantly
challenging
with
current
synthetic
techniques.
A
deep
understanding
of
the
intermolecular
interactions,
reaction
temperature,
and
oligomers
essential
to
facilitate
growth
highly
crystalline
COF
films.
Herein,
molecular
dynamics
simulations
were
employed
explore
2D
COFs
from
monomer
assemblies
on
graphene.
Our
results
showed
that
chain
reactions
dominated
surface
van
der
Waals
(vdW)
interactions
important
in
enhancing
crystallinity
through
preorganization.
Moreover,
appropriately
tuning
temperature
improved
minimized
effects
amorphous
oligomers.
Additionally,
strength
interface
between
graphene
substrate
indicated
adhesion
force
was
proportional
COF.
This
work
reveals
mechanisms
nucleation
surfaces
provides
theoretical
guidance
fabricating
polymer-based
nanomaterials.
Chemistry of Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 3, 2024
The
smart
design
of
a
conjugated
organic
framework
with
tunable
redox
functionalities
could
lead
to
multistate
color
switching
under
minimal
operating
voltage,
which
is
desirable
for
low-energy-consuming
optoelectronics.
Herein,
we
have
developed
two-dimensional
electrochromic
covalent
(EC-COF)
film
exhibiting
broad
absorption
across
the
ultraviolet–visible–near-infrared
(NIR)
range
applied
potentials.
EC-COF
films
grown
on
an
indium
tin
oxide-coated
glass
substrate
show
three-state
anodic
electrochromism
high
contrast
∼60%
in
NIR
region.
shows
reversible
changes
coloration
efficiency
and
fast
response
(coloration
time:
4.9
s;
bleaching
10.6
s
at
1100
nm).
highly
porous
nature
facilitates
ion
movement
through
1D
pore
channels.
Demonstrating
real-time
application
electrochemical
attributes,
developed,
first
time,
prototype
device
employing
as
safety
indicator
electronic
circuits.
device,
coupled
customized
cellphone
application,
has
been
demonstrated
monitoring
sensor
systems
subtle
variation
potentials
close-to-perfect
accuracy
∼98%.
current
study
provides
new
avenue
function-led
development
multicolored
materials
advanced
energy-efficient
display
devices.
