Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 25, 2024
Abstract
Two
dumbbell‐shaped
building
blocks
(TMB
and
TMBT),
featuring
methyl
benzoate
groups
as
hydrogen
bond
units,
are
selected
to
construct
heterostructures
of
HOFs,
aiming
achieve
multiple
functions
including
white
luminescence,
stimulus‐response
behavior,
well
application
in
information
encryption.
TMB
molecules
self‐assembled
form
a
flexible
HOF
(X‐HOF‐8)
p‐xylene,
containing
solvent
channels
blue
fluorescence.
Upon
removal
guests,
it
can
transform
into
nonporous
crystal
with
gray
In
contrast,
TMBT
forms
guest‐free
(X‐HOF‐9)
displaying
orange
They
could
bulk
heterojunction
(BHJ)
HOFs
energy
transfer
from
TMBT,
exhibiting
composition‐dependent
fluorescent
color.
Notably,
emission
be
achieved
BHJ
converted
fluorescence
upon
guest
removal;
subsequently,
is
restored
re‐capturing
guests.
Furthermore,
rod‐like
triblock
(THJ)
also
constructed,
which
exhibit
regulatory
behavior
response
gaining
or
losing
The
unique
luminescent
characteristics
stimulus
responsiveness
these
make
them
an
excellent
platform
for
applications
anticounterfeit.
This
represents
the
pioneering
achievement
light
HOF,
groundbreaking
realization
THJ
remarkable
exciting
characteristics.
Chemical Science,
Год журнала:
2024,
Номер
15(26), С. 9874 - 9892
Опубликована: Янв. 1, 2024
In
this
perspective,
we
have
discussed
the
recent
progress
of
flexible
HOFs,
with
particular
focus
on
various
dynamic
behaviors
and
their
applications
in
different
fields.
Finally,
current
challenges
opportunities
field
are
discussed.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(26)
Опубликована: Апрель 19, 2024
Abstract
Hydrogen‐bonded
organic
frameworks
(HOFs),
a
novel
subclass
of
porous
crystalline
materials
self‐assembled
from
linkers
through
hydrogen
bonding
and
other
intermolecular
interactions,
have
emerged
as
an
exciting
platform
for
developing
multifunctional
materials.
Recently,
luminescent
HOF
sensors
drawn
considerable
attention
due
to
their
unique
advantages,
such
hydrogen‐bonding
flexibility,
inherent
centers
in
linkers,
ease
functionalization,
low
density
toxicity,
good
stability.
However,
comprehensive
study
on
the
design
strategies,
functionalities,
applications
HOFs
sensing
is
lacking.
In
this
review,
uniqueness
development
are
outlined.
The
principles
strategies
enable
performance
summarized,
including
pre‐design
post‐modification
with
additional
species.
state‐of‐the‐art
advances
diverse
overviewed,
detection
chemical
pollutants,
biomolecules,
gases,
physical
factors
like
temperature
mechanical
forces.
Moreover,
current
challenges
corresponding
potential
avenues
discussed.
This
review
aims
inspire
more
innovative
research
fabrication
advanced
functions.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Diamagnetic
metal
sulfonates
have
been
widely
reported,
while
paramagnetic
species
are
very
rare,
especially
those
that
exhibit
interesting
magnetic
and/or
proton
conduction
properties.
Herein,
we
report
the
synthesis,
structure,
magnetic,
and
proton-conducting
properties
of
a
hydrogen-bonded
cobalt(II)
organosulfonate
complex.
The
coordination
self-assembly
CoII
salts
8-quinolinesulfonic
acid
ligands
affords
mononuclear
sulfonate
featuring
both
coordinated
noncoordinated
sulfonic
O
atoms
axial
water
molecules.
Notably,
units
further
connected
by
short
S–O···H–O
hydrogen-bonding
interactions
between
SO3–
H2O,
leading
to
three-dimensional
(3D)
network.
This
exhibits
superior
thermal
stability,
as
proved
variable-temperature
single-crystal
powder
X-ray
diffraction
thermogravimetric
analysis
(TGA)
analysis.
Variable-temperature
variable
humidity
ac
impedance
spectroscopy
indicated
this
cobalt
is
good
superionic
conductor
with
highest
measured
conductivity
1.5
×
10–3
S
cm–1
at
90
°C
under
97%
relative
humility,
originating
from
1D
zigzag
chains.
In
addition,
field-induced
slow
relaxation
was
observed
via
dynamic
susceptibility
measurements.
These
results
show
not
only
first
Co(II)
single-ion
magnet
but
also
″magnetic
anisotropic
ion-organosulfonate-coordinated
water″
approach
for
design
preparation
bifunctional
metalo-hydrogen-bonded
organic
framework
(MHOF)
materials.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
Overcoming
the
trade-off
effects
between
adsorption
capacity,
selectivity,
and
enthalpy
of
an
adsorbent
is
very
important
but
remains
a
huge
challenge.
Here,
we
report
flexible
metal-organic
framework
(FJI-H36);
it
can
selectively
adsorb
Xe
from
Xe/Kr
mixtures
with
high
capacity
low
enthalpy.
Structural
analyses
show
that
such
excellent
performances
come
adaptive
contraction
framework;
pore
shrinkage
enhance
interactions
adsorbed
offset
some
heats.
For
SF6/N2
mixtures,
FJI-H36
also
performance
SF6
through
contraction,
resulting
in
both
selectivity
This
not
only
provides
new
for
purification
Xe/Kr/SF6
offers
potential
solution
to
overcome
trade-offs
among
specific
adsorbent.