Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(52)
Published: Nov. 14, 2023
Hydrogen-bonded
organic
frameworks
(HOFs)
have
been
emerging
as
a
new
type
of
very
promising
microporous
materials
for
gas
separation
and
purification,
but
few
HOFs
structures
constructed
through
hydrogen-bonding
tetramers
explored
in
this
field.
Herein,
we
report
the
first
HOF
(termed
HOF-FJU-46)
afforded
by
with
4-fold
interpenetrated
diamond
networks,
which
shows
excellent
chemical
thermal
stability.
What's
more,
activated
HOF-FJU-46
exhibits
highest
xenon
(Xe)
uptake
2.51
mmol
g-1
xenon/krypton
(Kr)
selectivity
19.9
at
ambient
condition
among
reported
up
to
date.
Dynamic
breakthrough
tests
confirmed
Xe/Kr
HOF-FJU-46a,
showing
high
Kr
productivity
(110
mL
)
Xe
(1.29
),
well
good
recyclability.
The
single
crystal
X-ray
diffraction
molecular
simulations
revealed
that
abundant
accessible
aromatic
pyrazole
rings
pore
channels
HOF-FJU-46a
can
provide
multiple
strong
C-H⋅⋅⋅Xe
interactions
atoms.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(25), P. 13901 - 13911
Published: June 13, 2023
One-step
harvest
of
high-purity
light
hydrocarbons
without
the
desorption
process
represents
an
advanced
and
highly
efficient
strategy
for
purification
target
substances.
The
separation
acetylene
(C2H2)
from
carbon
dioxide
(CO2)
by
CO2-selective
adsorbents
are
urgently
demanded
yet
very
challenging
owing
to
their
similar
physicochemical
properties.
Here,
we
employ
pore
chemistry
adjust
environment
immobilizing
polar
groups
into
ultramicroporous
metal-organic
framework
(MOF),
achieving
one-step
manufacture
C2H2
CO2/C2H2
mixtures.
Embedding
methyl
prototype
stable
MOF
(Zn-ox-trz)
not
only
changes
but
also
improves
discrimination
guest
molecules.
methyl-functionalized
Zn-ox-mtz
thus
exhibits
benchmark
reverse
uptake
ratio
12.6
(123.32/9.79
cm3
cm-3)
exceptionally
high
equimolar
selectivity
1064.9
at
ambient
conditions.
Molecular
simulations
reveal
that
synergetic
effect
confinement
surfaces
decorated
with
provides
recognition
CO2
molecules
through
multiple
van
der
Waals
interactions.
column
breakthrough
experiments
suggest
dramatically
achieved
capacity
mixture
a
record
productivity
2091
mmol
kg-1,
surpassing
all
reported
so
far.
In
addition,
excellent
chemical
stability
under
different
pH
values
aqueous
solutions
(pH
=
1-12).
Moreover,
inverse
selective
performance
showcase
its
promising
application
as
splitter
industrial
manufacture.
This
work
paves
way
developing
reverse-selective
gas
process.
Eco-Environment & Health,
Journal Year:
2023,
Volume and Issue:
2(3), P. 117 - 130
Published: July 13, 2023
To
date,
significant
efforts
have
been
devoted
to
eliminating
hazardous
components
purify
wastewater
through
the
development
of
various
nanomaterials.
Covalent
organic
frameworks
(COFs),
an
important
branch
porous
crystalline
family,
possess
peculiarity
ultrahigh
surface
area,
adjustable
pore
size,
and
facile
functionality.
Exciting
studies
from
design
fabrication
potential
applications
in
water
treatment
by
COF-based
membranes
(COMs)
emerged.
This
review
summarizes
preparation
strategies
synthesis
mechanisms
for
COMs,
including
layer-by-layer
stacking,
situ
growth,
interfacial
polymerization,
electrochemical
synthesis,
briefly
describes
advanced
characterization
techniques
COMs.
Moreover,
application
COMs
heavy
metal
removal,
dye
separation,
purification
radionuclides,
pollutant
detection,
sea
desalination,
so
on,
is
described
discussed.
Finally,
perspectives
on
future
opportunities
designing
proposed.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(5), P. 2738 - 2760
Published: Jan. 1, 2024
This
review
provides
a
comprehensive
overview
of
the
fabrication
strategies
and
applications
hydrogen-bonded
organic
frameworks
in
membrane
separation.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(39)
Published: Aug. 11, 2023
The
separation
of
acetylene
(C2
H2
)
from
carbon
dioxide
(CO2
is
a
very
important
but
challenging
task
due
to
their
similar
molecular
dimensions
and
physical
properties.
In
terms
porous
adsorbents
for
this
separation,
the
CO2
-selective
materials
are
superior
C2
ones
because
cost-
energy-efficiency
have
been
rarely
achieved.
Herein
we
report
our
unexpected
discovery
first
hydrogen
bonded
organic
framework
(HOF)
constructed
simple
linker
2,4,6-tri(1H-pyrazol-4-yl)pyridine
(PYTPZ)
(termed
as
HOF-FJU-88)
highly
material.
HOF-FJU-88
two-dimensional
HOFs
with
pore
pocket
about
7.6
Å.
activated
takes
up
high
amount
(59.6
cm3
g-1
at
ambient
conditions
record
IAST
selectivity
1894.
Its
performance
/C2
has
further
confirmed
through
breakthrough
experiments,
in
situ
diffuse
reflectance
infrared
spectroscopy
simulations.
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.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(13), P. 6694 - 6734
Published: Jan. 1, 2024
Delayed
luminescence
(DF),
including
phosphorescence
and
thermally
activated
delayed
fluorescence
(TADF),
circularly
polarized
(CPL)
exhibit
common
broad
application
prospects
in
optoelectronic
displays,
biological
imaging,
encryption.
Thus,
the
combination
of
is
attracting
increasing
attention.
The
encapsulation
guest
emitters
various
host
matrices
to
form
host-guest
systems
has
been
demonstrated
be
an
appealing
strategy
further
enhance
and/or
modulate
their
luminescence.
Compared
with
conventional
liquid
crystals,
polymers,
supramolecular
matrices,
porous
crystalline
frameworks
(PCFs)
metal-organic
(MOFs),
covalent-organic
(COFs),
zeolites
hydrogen-bonded
organic
(HOFs)
can
not
only
overcome
shortcomings
such
as
flexibility
disorder
but
also
achieve
ordered
guests
long-term
stability
chiral
structures,
providing
new
promising
platforms
for
development
DF
CPL.
In
this
review,
we
provide
a
comprehensive
critical
summary
recent
progress
photochemistry
