Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
Controlled
manipulation
of
photons/electrons
at
micro/nanoscale
holds
the
key
to
development
versatile
optoelectronics
devices.
However,
current
photonics
devices
are
primarily
constructed
from
simple
low‐dimensional
structures,
which
suffer
limited
structural
design
freedom
due
planar
processing
scheme,
impeding
further
performance
improvement
and
functionality
upgrades.
Herein,
first
3D
hydrogen‐bonded
organic
framework
(HOF)
branched
homostructure
with
spatial
positioned
multi‐input/output
optical
channels
for
photon
is
reported.
The
free‐standing
HOF
homostructures
prepared
by
a
steric
engineering
strategy,
involves
multinucleation‐assisted
growth
mechanism.
hierarchical
Y‐type
X‐type
exhibit
asymmetrical
transport
behaviors,
showing
applications
in
logic
gates
single
or
dual
ON/OFF
functionality,
respectively.
Moreover,
multiple
spatially
distributed
input/output
displays
asymmetric
transport,
functions
as
photonic
signal
logics.
These
results
offer
novel
strategy
HOF‐based
manipulation.
Photostimulus-responsive
fluorescent
materials
are
promising
for
anticounterfeiting
and
UV
printing
due
to
rapid
response
simple
preparation.
In
this
paper,
we
propose
a
novel
strategy
prepare
photostimulus-responsive
SP@HOF-olefin
by
integrating
the
photochromic
molecule
spiropyran
(SP)
with
postsynthetic
modified
hydrogen-bonded
organic
frameworks
(HOF-olefin).
Compared
SP@HOF,
composites
exhibit
enhanced
properties,
such
as
fast
speed,
pronounced
color
contrast,
exceptional
fatigue
resistance.
The
improvements
can
be
attributed
reduction
of
residual
carboxyl
groups
in
framework,
which
subsequently
decreases
polarity
framework.
Besides,
SP
loading
content
was
significantly
enhanced.
Furthermore,
HOF-olefin
transformed
into
HOF
films
via
photopolymerization.
These
demonstrated
excellent
flexibility,
folded
twisted
at
any
angle
ranging
from
0
180°.
By
utilizing
photomask
method,
letters
"Z",
"T",
"S",
"U",
along
other
patterns
were
successfully
imprinted
on
film.
investigated
utilization
these
advanced
applications.
This
work
serves
representative
case
demonstrating
how
functionalized
HOFs
improved
properties
SP,
showcasing
potential
applications
information
encryption.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: March 6, 2024
Abstract
The
combination
of
multisensory
stimuli
in
the
somatosensory
system
enables
humans
to
understand
object
comprehensive
characteristics
and
make
precise
judgments.
However,
development
auditory–olfactory
bimodal
flexible
biomimetic
sensors
(FBSs)
mimic
function
biological
perception
external
still
presents
complex
challenges.
Herein,
an
FBS
(
1
2
)
is
fabricated
based
on
hydrogen‐bonded
organic
framework
(Eu@HOF‐BPTC)
integrated
with
melamine
sponge.
During
auditory
sensing
process,
can
monitor
sound
a
maximum
response
frequency
400
Hz.
performs
ultrahigh
sensitivity
(41335.995
cps
Pa
−1
cm
−2
),
precision
(relative
standard
deviation
<
0.20%),
ultrafast
time
(20
ms),
ultralow
detection
limit
(1.1039
Hz
0.1083
dB),
great
recyclability
(148
cycles),
which
also
real‐time
infrasound
waves
within
4–20
Based
artificial
intelligence,
as
olfactory
demonstrates
excellent
ppm‐level
desirable
selectivity
toward
four
odor
molecules
realizes
wearable
on‐site
detection.
completes
signals
integration
interoperability
by
means
human–machine
interaction.
highly
promising
for
implementing
interaction,
simulating
neural
system,
promoting
environmental
monitoring,
disaster
warning
health
care.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 27, 2024
Abstract
Birefringent
crystals
as
an
important
optical
anisotropic
material
play
a
crucial
role
in
modulating
the
polarization
state
of
light.
To
date,
most
birefringent
are
purely
inorganic
compounds
with
small
birefringence.
Developing
large
remains
great
challenge
primarily
because
absence
tunable
structural
units
for
materials.
Herein,
hydrogen‐bonding
self‐assembly
strategy
is
reported
to
construct
robust
hydrogen‐bonded
organic
framework
(HOF,
namely
m‐H
3
L)
crystal,
which
consists
π
‐conjugated
benzene
rings
and
tetrahedral
phosphonate
groups
interconnected
via
multiple
H‐bonding
interactions.
Interestingly,
birefringence
∆
n
=
0.17@550
nm
catches
up
those
commercial
crystals.
A
combination
theoretical
calculation
single‐crystal
analyses
reveals
that
interactions
control
dihedral
angle
smaller
angle,
greater
This
discovery
opens
door
HOFs
be
used
promising
new
class
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 29, 2024
Fluorescent
porous
materials
based
on
aggregation-induced
emission
(AIE)
are
growing
into
a
sparkling
frontier
in
biomedical
applications.
Exploring
those
represents
win-win
integration
and
has
recently
progressed
at
rapid
pace,
mainly
benefiting
from
intrinsic
advantages
including
tunable
pore
size
structure,
strong
guest
molecule
encapsulation
ability,
superior
biocompatibility,
photophysical
outcomes.
With
the
great
significance
progress
this
area,
review
provides
an
integrated
picture
AIE
luminogen-based
materials.
It
encompasses
inorganic,
organic,
inorganic-organic
materials,
exploring
fundamental
concepts
relationship
between
performance
material
design
highlighting
significant
breakthroughs
latest
trends
In
addition,
some
critical
challenges
future
perspectives
development
of
also
discussed.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
Abstract
Current
humidity
sensors
often
underperform
due
to
the
limited
availability
of
moisture‐sensitive
active
sites
within
their
material
substrates,
as
well
ineffective
ion
transport
properties.
Here,
a
new
approach
is
presented
using
richly
ionized
2D
hydrogen‐bonded
organic
frameworks
(HOFs)
membranes,
which
feature
high
density
pores
and
wide
network
continuous
binding
for
water
molecules.
To
significantly
enhance
sensing
performance,
cationic
nanoconfined
strategy
employed.
This
involves
nanoscale
doping,
modifies
interlayer
spacing
HOFs,
thereby
revealing
more
hydrophilic
providing
additional
ions
improve
conductivity.
Based
on
these
advancements,
highly
adjustable
flexible
sensor
equipped
with
asymmetrical
MXene
electrodes
developed.
demonstrates
rapid
response/recovery
times
0.42/0.62
s,
an
ultra‐high
on/off
ratio
3.5
×
10
4
,
remarkable
stability
over
than
200
cycles.
The
electrical
performance
system
driven
by
potential
difference
between
electrodes,
rather
electrode
materials
themselves,
allowing
increased
versatility
scalability.
development
offers
pathway
featuring
enhanced
ionic
conductivity
improved
non‐contact
capabilities.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(32), P. 21301 - 21309
Published: Jan. 1, 2024
It
has
been
found
that
the
separation
selectivity
of
hydrogen-bonded
organic
frameworks
for
haloalkanes
is
closely
associated
with
extent
micro-structural
changes
during
guest
adsorption,
where
a
smaller
alteration
favors
higher
selectivity.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(33), P. 10169 - 10176
Published: Aug. 7, 2024
Organic
solvent
nanofiltration
(OSN)
membranes
with
high
separation
performance
and
excellent
stability
in
aggressive
organic
solvents
are
urgently
desired
for
chemical
separation.
Herein,
we
utilized
a
polyfunctional
arylamine
tetra-(4-aminophenyl)
ethylene
(TAPE)
to
prepare
highly
cross-linked
polyamide
membrane
low
molecular
weight
cut-off
(MWCO)
of
312
Da.
Owing
its
propeller-like
conformation,
TAPE
formed
micropores
within
the
provided
fast
transport
channels.
Importantly,
rigid
conjugated
skeleton
connectivity
between
effectively
prevented
expansion
matrix
solvents.
The
maintained
even
immersed
