Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 30, 2024
Abstract
Developing
supramolecular
porous
crystalline
frameworks
with
tailor-made
architectures
from
advanced
secondary
building
units
(SBUs)
remains
a
pivotal
challenge
in
reticular
chemistry.
Particularly
for
hydrogen-bonded
organic
(HOFs),
construction
of
geometrical
cavities
through
has
been
rarely
achieved.
Herein,
body-centered
cubic
HOF
(TCA_NH
4
)
octahedral
cages
was
constructed
by
C
3
-symmetric
block
and
NH
+
node-assembled
cluster
(NH
(COOH)
8
(H
2
O)
that
served
as
(SSBUs),
akin
to
the
polynuclear
SBUs
Specifically,
could
encapsulate
four
homogenous
haloforms
including
CHCl
,
CHBr
CHI
truncated
octahedron
configuration.
Crystallographic
evidence
revealed
spatially-confined
nanoreactors,
enabling
fast,
broadband
photochromic
effect
associated
reversible
photo/thermal
transformation
between
encapsulated
I
.
Overall,
this
work
provides
strategy
shaping
SSBUs
expand
framework
topology
HOFs
prototype
nanoreactors
accommodate
reactions.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(16)
Published: Jan. 4, 2024
Abstract
Memristors
have
recently
become
powerful
competitors
toward
artificial
synapses
and
neuromorphic
computation,
arising
from
their
structural
electrical
similarity
to
biological
neurons.
From
the
diversity
of
materials,
numerous
organic
inorganic
materials
proven
exhibit
great
potential
in
application
memristors.
Herein,
this
work
focuses
on
a
class
memristors
based
frameworks
(OFs)
pay
attention
most
advanced
experimental
demonstrations.
First,
typical
device
structures
memristive
switching
mechanisms
are
introduced.
Second,
latest
progress
OFs‐based
is
comprehensively
summarized,
including
metal‐organic
(MOFs),
covalent
(COFs),
hydrogen‐bonded
(HOFs),
as
well
applications
data
storage,
synapses,
devices.
Finally,
future
challenges
prospects
deeply
discussed.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(12)
Published: Feb. 1, 2024
Abstract
Hydrogen‐bonded
organic
frameworks
(HOFs)
have
shown
promise
in
various
fields;
however,
the
construction
of
HOF/polymer
hybrid
membranes
that
can
maintain
both
structural
and
functional
integrity
remains
challenging.
In
this
study,
we
here
fabricated
a
new
HOF
(
HOF‐50
)
with
reserved
polymerizable
allyl
group
via
charge‐assisted
H‐bonds
between
carboxylate
anion
amidinium,
subsequently
copolymerized
monomers
to
construct
covalently
bonded
(polyHOF)
membrane.
The
resulting
polyHOF
membrane
not
only
exhibits
customizable
mechanical
properties
extreme
stability,
but
also
shows
an
exceptional
ratiometric
luminescent
temperature‐sensing
function
very
high
sensitivity
visibility
even
when
lanthanide
content
is
two
orders
magnitude
lower
than
reported
mixed‐lanthanide
metal–organic
(MOFs)
lanthanide‐doped
covalent
(COFs).
This
orthogonal
postsynthesis
copolymerization
strategy
may
provide
general
approach
for
preparing
connected
diverse
applications.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 5, 2024
Abstract
The
inherent
structural
flexibility
and
reversibility
of
non-covalent
organic
frameworks
have
enabled
them
to
exhibit
switchable
multistate
structures
under
external
stimuli,
providing
great
potential
in
the
field
resistive
switching
(RS),
but
not
well
explored
yet.
Herein,
we
report
0D+1D
hydrogen-bonded
polycatenation
framework
(HOF-FJU-52),
exhibiting
diverse
reversible
RS
behaviors
with
high
performance.
Triggered
by
stimulus
electrical
E
at
room
temperature,
HOF-FJU-52
has
excellent
random-access
memory
(RRAM)
behaviors,
comparable
state-of-the-art
materials.
When
cooling
down
below
200
K,
it
was
transferred
write-once-read-many-times
(WORM)
behaviors.
two
on
a
single
crystal
device
through
temperature
changes.
mechanism
this
been
deciphered
atomic
level
detailed
single-crystal
X-ray
diffraction
analyses,
demonstrating
that
dual-flexibility
both
asymmetric
hydrogen
bonded
dimers
within
0D
loops
infinite
π–π
stacking
column
between
chains
contribute
structure
transformations
multi-states
thus
its
dual
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: July 6, 2024
Metal-organic
frameworks
(MOFs),
characterized
by
tunable
porosity,
high
surface
area,
and
diverse
chemical
compositions,
offer
unique
prospects
for
applications
in
optoelectronic
devices.
However,
the
prevailing
research
on
thin-film
devices
utilizing
MOFs
has
predominantly
focused
aspects
such
as
information
storage
photosensitivity,
often
neglecting
integration
of
advantages
inherent
both
photonics
electronics
to
enhance
optical
memory.
This
work
demonstrates
a
light-mediated
resistive
memory
device
based
highly
oriented
porphyrin-based
film,
which
resistance
state
memristor
is
modulated
light,
realizing
perception
information.
The
shows
excellent
performance
with
wide
light
range
405-785
nm
persistent
photoconductivity
phenomenon
up
8.3
×
10
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
The
integration
of
hydrogen‐bonded
organic
frameworks
(HOFs)
with
flexible
electronic
technologies
offers
a
promising
strategy
for
monitoring
detailed
health
information,
owing
to
their
inherent
porosity,
excellent
biocompatibility,
and
tunable
catalytic
capabilities.
However,
application
in
wearable
real‐time
remains
largely
unexplored,
primarily
due
the
mechanical
mismatch
between
traditionally
fragile
HOFs
particles
softness
human
skin.
Herein,
this
study
demonstrates
an
epidermal
biosensor
that
maintains
reliable
sensing
capability
even
under
extreme
deformation
complex
environmental
conditions
by
integrating
films
wavy
bioelectrodes.
This
ultrasensitive
detection
capabilities,
limit
49.64
nM,
accurately
measures
nutritional
content
sweat
while
conforming
curved
skin
surfaces.
sensor's
performance
is
comparable
those
obtained
using
high‐performance
liquid
chromatography
(HPLC).
More
strikingly,
scratched
can
be
regenerated
through
simple
solvent
rinsing
process,
enabling
reuse
fabrication
new
biosensors
offering
significant
advantage
over
conventional
materials.
work
has
potential
inspire
development
more
devices,
leveraging
structural
adaptability
diversity
personalized
healthcare
applications
monitoring.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(12)
Published: Feb. 1, 2024
Abstract
Hydrogen‐bonded
organic
frameworks
(HOFs)
have
shown
promise
in
various
fields;
however,
the
construction
of
HOF/polymer
hybrid
membranes
that
can
maintain
both
structural
and
functional
integrity
remains
challenging.
In
this
study,
we
here
fabricated
a
new
HOF
(
HOF‐50
)
with
reserved
polymerizable
allyl
group
via
charge‐assisted
H‐bonds
between
carboxylate
anion
amidinium,
subsequently
copolymerized
monomers
to
construct
covalently
bonded
(polyHOF)
membrane.
The
resulting
polyHOF
membrane
not
only
exhibits
customizable
mechanical
properties
extreme
stability,
but
also
shows
an
exceptional
ratiometric
luminescent
temperature‐sensing
function
very
high
sensitivity
visibility
even
when
lanthanide
content
is
two
orders
magnitude
lower
than
reported
mixed‐lanthanide
metal–organic
(MOFs)
lanthanide‐doped
covalent
(COFs).
This
orthogonal
postsynthesis
copolymerization
strategy
may
provide
general
approach
for
preparing
connected
diverse
applications.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
unknown, P. 3351 - 3357
Published: June 28, 2024
Developing
proton-conducting
materials
with
superior
proton
conductivity
and
excellent
stability
plays
an
indispensable
role
in
the
advancement
of
direct
methanol
fuel
cells
(DMFCs).
In
this
work,
we
successfully
synthesized
ionic
hydrogen-bonded
organic
framework
(iHOF-13)
3D
hydrogen-bonding
network
structures.
The
inherent
abundance
hydrogen
bonding
networks
HOFs
enables
them
to
exhibit
superprotonic
conductivity.
Specifically,
iHOF-13
demonstrates
a
1.3
×
10–1
S
cm–1
at
98%
relative
humidity
100
°C.
iHOF
is
enriched
transport
sites,
its
doping
into
Nafion
matrix
exhibits
extremely
high
(10–1
cm–1)
low
permeability.
maximum
power
density
7.5%-iHOF-13/Nafion
composite
membrane
can
reach
104.7
mW
cm–2
DMFCs,
which
2.1
times
higher
than
that
recast
Nafion.
incorporation
high-performance
facilitates
enhancement
pathway
while
effectively
inhibiting
crossover,
thus
expanding
potential
application
cells.
Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(3)
Published: July 8, 2024
Recently,
an
emerging
class
of
hydrogen-bonded
organic
frameworks
(HOFs)
has
become
appealing
member
material
family,
attributed
to
their
layered
self-assembly
structures,
high-crystalline,
and
environmentally
friendly
characteristics,
which
have
rapidly
propelled
development
in
the
field
electronic
devices.
In
this
context,
we
focus
on
latest
category
topological
HOFs,
with
particular
attention
given
cutting-edge
experimental
demonstrations,
exceptional
electrical
performances,
promising
applications.
First,
a
concise
concept
fundamental
mechanism
HOFs
are
provided,
elucidating
potential
correlation
between
structural
designs
properties.
Subsequently,
comprehensive
summary
is
presented
preparation
synthesis
methods,
such
as
hydrothermal
techniques,
epitaxial
growth,
electro-deposition,
among
others.
Notably,
advancements
HOFs-based
electronics
thoroughly
introduced
discussed,
along
applications
sensors,
memristors,
artificial
synapses,
neuromorphic
computing,
human
perception
systems.
Finally,
future
challenges
prospects
elaborated
upon
aim
providing
valuable
guidance
for
high-performance
HOF-based
electronics.