Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
495, P. 153569 - 153569
Published: June 28, 2024
Conjugated
network
polymers
(CNPs)
have
gained
considerable
attention
as
heterogeneous
photocatalysts,
however,
their
limited
solubility
in
solvents
poses
a
significant
challenge
employing
CNPs
for
photoreactors.
Herein,
we
report
the
chemical
dissolution
of
aminic
to
enhance
solution
processability.
The
CNPs,
synthesized
via
Knoevenagel
polycondensation,
were
dissolved
into
corresponding
polymer
inks,
forming
thin
films
on
various
substrates
through
mild
heating.
Residual
functional
groups
CNP
surface
provided
latent
reactive
sites
liquid
amines,
facilitating
structural
disentanglement
and
without
hindering
π-conjugation.
resulting
FTO
electrodes
exhibited
broader
light
absorbance
>
2-fold
enhanced
photoresponse
compared
powder
films.
Photocatalytic
production
H2O2
using
large-area
film
(254.4
cm2)
demonstrated
sustained
activity
with
rate
0.21
mM
h−1
over
14
h
sacrificial
agents.
These
findings
lay
groundwork
applying
photocatalysts
chemical,
optical,
electronic
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: March 29, 2024
2D
conjugated
polymers
(2DCPs)
possess
extended
in-plane
π-conjugated
lattice
and
out-of-plane
π-π
stacking,
which
results
in
enhanced
electronic
performance
potentially
unique
band
structures.
These
properties,
along
with
predesignability,
well-defined
channels,
easy
postmodification,
order
structure
attract
extensive
attention
from
material
science
to
organic
electronics.
In
this
review,
the
recent
advance
interfacial
synthesis
conductivity
tuning
strategies
of
2DCP
thin
films,
as
well
their
application
electronics
is
summarized.
Furthermore,
it
shown
that,
by
combining
topology
design
targeted
adjustment,
researchers
have
fabricated
films
predesigned
active
groups,
highly
ordered
structures,
conductivity.
exhibit
great
potential
for
various
thin-film
electronics,
such
transistors,
memristors,
electrochromism,
chemiresistors,
photodetectors.
Finally,
future
research
directions
perspectives
2DCPs
are
discussed
terms
synthetic
engineering
fabrication
fully
functional
manipulation
applications
ACS Sensors,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Circular
RNAs
(circRNAs),
as
a
class
of
noncoding
RNA
molecules
with
circular
structure
exhibit
high
stability
and
spatiotemporal-specific
expression,
making
them
ideal
cancer
biomarkers
for
liquid
biopsy.
Herein,
new
photoelectrochemical
(PEC)
biosensor
highly
sensitive
circRNA
assay
in
the
whole
blood
lung
patients
was
designed
based
on
CRISPR/Cas13a-programmed
Cu
nanoclusters
(Cu
NCs)
Z-scheme
covalent
organic
framework/silver
sulfide
(T-COF/Ag2S)
composite.
This
T-COF/Ag2S
composite
accelerates
electron
transfer
produces
an
excellent
initial
photocurrent.
When
CRISPR/Cas13a
precisely
targets
circRNA,
it
nonspecifically
cleaves
triple-helix
molecular
to
release
DNA
fragments
(C'/C").
After
C'/C"
opens
hairpin
probe
(HP)
modified
electrode,
hybridization
chain
reactions
are
performed
produce
abundant
AT-rich
double-stranded
addition
H1
H2
probes.
Upon
incubation
Cu2+,
NCs
situ
formed
via
A-Cu2+-T
bonds
can
effectively
quench
photocurrent
due
energy
process.
developed
PEC
shows
low
limit
detection
0.5
fM,
reusability
DNA-modified
magnetic
beads
(MB-DNA)
reduces
cost.
Moreover,
accurately
quantify
level
distinguish
expression
from
healthy
controls
patients,
offering
strong
potential
clinical
diagnosis.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
Covalent
organic
frameworks
(COFs)
have
attracted
broad
interest
because
of
their
well-defined,
customizable,
highly
stable,
and
porous
structures.
COFs
shown
significant
potential
for
various
practical
applications,
such
as
gas
storage/purification,
drug
purification,
water
treatment,
catalysis,
battery
applications.
Scaling
up
is
desirable
to
meet
industrial
application
demands
but
hindered
by
the
limitations
synthesis
methods
high
cost
reactants.
Recently,
emerging
green
methods,
mechanochemical
flux
synthesis,
offered
promising
solutions
these
challenges
(e.g.,
ton-scale
production
has
been
achieved
companies
recently).
This
Perspective
provides
an
overview
state
art
with
respect
discusses
factors
influencing
large-scale
COFs.
Directions
opportunities
improving
performance
sustainability
toward
applications
are
also
emphasized.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
The
rapid
evolution
of
neuromorphic
devices
seeks
to
bridge
biological
neural
networks
and
artificial
systems,
enabling
energy-efficient
scalable
computing
for
next-generation
intelligence.
Herein,
we
introduce
methyl-engineered
one-dimensional
covalent
organic
framework
(1D
COF)-based
memristors
as
a
transformative
platform
reconfigurable
computing.
incorporation
methyl
groups
enhances
localized
polarization
effects
within
the
COF
framework,
effectively
mitigating
random
Ag+
migration/diffusion
stabilizing
conductive
filament
morphology.
This
strategic
modification
yields
with
exceptional
multilevel
storage
capabilities,
exhibiting
superior
stability,
linearity,
reproducibility.
Moreover,
highly
ordered
architecture
customizable
chemical
environment
methyl-functionalized
1D
allows
precise
control
over
resistive
switching
behaviors,
facilitating
emulation
synaptic
functions
development
network
architectures.
Demonstrating
performance
in
tasks
such
high-accuracy
image
recognition,
these
showcase
significant
promise
foundation
energy-efficient,
systems.