Molecular Frontiers Journal,
Год журнала:
2023,
Номер
07(01n02), С. 20 - 39
Опубликована: Март 7, 2023
The
synthetic
scalability
of
water
harvesting
metal–organic
frameworks
(MOFs)
is
crucial
for
making
these
promising
materials
accessible
and
widely
available
use
in
household
devices.
Herein,
we
present
a
facile,
sustainable,
high-yield
synthesis
method
to
produce
series
water-harvesting
MOFs,
including
MOF-303,
CAU-23,
MIL-160,
MOF-313,
CAU-10,
Al-fumarate.
Using
readily
reactants
as
the
only
solvent,
were
able
synthesize
at
kilogram
scale
200
L
batch
reactor
with
yields
84–96%
space-time
238–305
kg/day/m
3
under
optimized
reaction
conditions.
We
also
show
that
our
procedure
preserves
framework
crystallinity,
porosity,
performance
MOFs
synthesized
scale.
ACS Nano,
Год журнала:
2024,
Номер
18(22), С. 14650 - 14660
Опубликована: Май 18, 2024
Atmospheric
water
harvesting
is
a
practical
strategy
that
achieved
by
removing
materials
from
air
moisture
to
relieve
global
scarcity.
Here
we
design
water-harvester
(i.e.,
MOF-303/thiolated
polymer
composite
(MTC))
using
metal–organic
framework
(MOF-303)
and
thiolated
chitosan
(TC)
skeleton.
Intermolecular
hydrogen
bonding
between
TC
MOF-303
facilitates
porous
structures
with
enlarged
air–polymer
interfaces
for
long
cycling
life
high
capacity
at
low
relative
humidity.
Benefiting
synergetic
effects
on
porosity
anchorage
accelerating
the
uptake-release
of
moisture,
MTC
exhibits
rapid
uptake
0.135
g/g
in
60
min
under
12.5
RH%
ultrafast
desorption
kinetics
0.003
g/g/min
8.5
RH%,
which
superior
as-reported
based
adsorbents.
At
heat
(∼40
°C),
collection
rate,
respectively,
are
0.0195
0.0168
within
210
min,
showing
ultrahigh
efficiency.
These
results
highlight
enormous
potential
as
promising
solving
world's
scarcity
crisis.
This
study
offers
an
insight
into
AWH
materials,
can
be
extended
applications
some
realms,
e.g.,
freshwater
development
industry
arid
areas,
engineering-related
devices
systems,
etc.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(46), С. 25233 - 25241
Опубликована: Ноя. 13, 2023
Materials
capable
of
selectively
adsorbing
or
releasing
water
can
enable
valuable
applications
ranging
from
efficient
humidity
and
temperature
control
to
the
direct
atmospheric
capture
potable
water.
Despite
recent
progress
in
employing
metal-organic
frameworks
(MOFs)
as
privileged
sorbents,
developing
a
readily
accessible,
water-stable
MOF
platform
that
be
systematically
modified
for
high
uptake
at
low
relative
remains
significant
challenge.
We
herein
report
development
tunable
efficiently
captures
(up
0.78
g
water/g
MOF)
across
range
(27-45%)
accessible
Zn
bibenzotriazolate
MOF,
CFA-1
([Zn5(OAc)4(bibta)3],
H2bibta
=
1H,1H'-5,5'-bibenzo[d][1,2,3]triazole),
base
subsequent
diversification.
Controlling
metal
identity
(zinc,
nickel)
coordinating
nonstructural
anion
(acetate,
chloride)
via
postsynthetic
exchange
modulates
uptake,
facilitating
use
single
scaffold
diverse
potential
sorption
applications.
further
present
fundamental
theory
dictating
how
continuous
variation
pore
environment
affects
uptake.
Exchange
substituents
preserves
capacity
sorption,
increases
hydrolytic
stability
(with
5.7%
loss
working
over
450
adsorption-desorption
cycles
nickel-chloride-rich
framework),
enables
modulation
condensation.
This
combination
tunability
within
synthetically
framework
renders
Ni-incorporated
M5X4bibta3
promising
materials
practical
Molecular Frontiers Journal,
Год журнала:
2023,
Номер
07(01n02), С. 20 - 39
Опубликована: Март 7, 2023
The
synthetic
scalability
of
water
harvesting
metal–organic
frameworks
(MOFs)
is
crucial
for
making
these
promising
materials
accessible
and
widely
available
use
in
household
devices.
Herein,
we
present
a
facile,
sustainable,
high-yield
synthesis
method
to
produce
series
water-harvesting
MOFs,
including
MOF-303,
CAU-23,
MIL-160,
MOF-313,
CAU-10,
Al-fumarate.
Using
readily
reactants
as
the
only
solvent,
were
able
synthesize
at
kilogram
scale
200
L
batch
reactor
with
yields
84–96%
space-time
238–305
kg/day/m
3
under
optimized
reaction
conditions.
We
also
show
that
our
procedure
preserves
framework
crystallinity,
porosity,
performance
MOFs
synthesized
scale.
