Abstract
The
liquefied
natural
gas
and
adsorbed
(LNG‐ANG)
coupling
systems
are
emerging
as
an
attractive
solution
to
solve
boil‐off
gases
generated
by
LNG
tanks.
Metal‐organic
frameworks
(MOFs)
promising
candidates
for
methane
storage
delivery
owing
their
high
porosity,
large
specific
surface
area,
tunable
pore
structures.
However,
systematically
tuning
LNG‐ANG‐related
adsorption
performance
of
MOFs
has
yet
be
explored.
In
this
context,
interpenetrated
zirconium‐based
(3,8)‐connected
the
‐MOF,
Zr‐TTB‐1,
with
limited
porosity
is
synthesized.
further
delicate
modulation
reaction
conditions
allows
assembly
a
non‐interpenetrated
counterpart,
Zr‐TTB‐2,
significantly
improved
porosity.
Such
molecular‐level
catenation
control
results
in
substantial
increase
low‐temperature
related
LNG‐ANG.
volumetric
working
capacity
Zr‐TTB‐2
up
255
cm
3
(standard
temperature
pressure,
STP)
−3
under
LNG‐ANG
condition
(159
K,
6
bar,
298
5
bar),
outperforms
more
than
twice
that
counterpart—Zr‐TTB‐1
(115
(STP)
).
To
end,
investigation
provides
efficacious
example
regulating
through
structural
designed
porous
frameworks.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Cyclohexane
(Cy),
commonly
produced
by
the
catalytic
hydrogenation
of
benzene
(Bz),
is
used
in
large
quantities
as
a
solvent
or
feedstock
for
nylon
polymers.
Removing
trace
unreacted
Bz
from
Cy
product
technically
difficult
due
to
their
similar
molecular
structures
and
physical
properties.
Herein,
we
report
that
metal-organic
framework
(MOF)
adsorbent
shows
sieving
effect
with
record-high
Bz/Cy
adsorption
selectivities
(216,
723,
1027)
liquid
mixtures
(v/v
=
1:1,
1:10,
1:20),
traps
molecules
effectively
even
at
low
partial
pressure
vapor
phase
(e.g.,
2.49
mmol/g
8.2
Pa)
content
liquid-phase
128
mg/g
20
ppm).
Over
99%
removal
(1000
ppm)
could
be
achieved
one
simple
stripping
step
room
temperature
using
this
sorbent,
producing
>99.999%
purity.
Single-crystal
structure
analyses
guest-free
Bz-loaded
phases
MOF
disclosed
narrow
slit-like
pore
aperture
strong
uniting
multiple
weak
host-guest
guest-guest
interactions
are
co-origin
its
distinct
property
Cy.
Traditional
adsorbents
using
silver
nanoparticles
demonstrated
exceptional
adsorption
capacities
for
Br–.
However,
the
majority
of
sites
in
are
situated
on
their
surfaces,
limiting
interaction
internal
atoms
with
Therefore,
we
synthesized
Ag/UiO-bpy
MOF
by
utilizing
two
pyridine
nitrogen
ligand
to
anchor
silver.
So
each
atom
was
effectively
exposed.
Besides,
owing
coordinatively
unsaturated
state
atoms,
they
exhibited
a
stronger
affinity
As
result,
an
Br–
capacity
362.6
mg/g.
Notably,
respect
2083.9
mg/gAg,
which
surpasses
all
previously
reported
values
literature.
Furthermore,
rapid
kinetics
and
selectivity
experiments.
This
work
not
only
fabricated
adsorbent
high
but
also
proposed
new
innovative
strategy
subsequent
preparation
adsorbents.
Proceedings of the National Academy of Sciences,
Год журнала:
2025,
Номер
122(15)
Опубликована: Апрель 7, 2025
In
order
to
reduce
the
risk
of
high-threat
pathogens,
a
photocatalytic
antibacterial
method
with
reputation
for
high
efficiency
and
sustainability
has
attracted
widespread
attention.
Recently,
metal-organic
frameworks
(MOFs)
have
emerged
as
desirable
platforms
applications
by
virtue
their
structural
diversity
functional
adjustability.
Herein,
we
report
that
synthesized
stable
photosensitive
zirconium-based
MOF
(Zr-MOF)
photoactive
tetrathienylethene-based
organic
linker,
Zr-TSS-1.
Compared
all-carbocyclic
Zr-MOF
counterparts,
Zr-TSS-1
shows
substantial
improvement
in
visible-light
harvesting
free-carrier
generation,
enabling
it
be
promising
candidate
applications.
validate
advantages
this
framework
an
protective
material,
composite
was
fabricated
incorporating
robust
onto
sustainably
accessible
bacterial
cellulose
(BC)
using
situ
growth
method.
This
exhibits
near-complete
lethality
toward
typical
Gram-negative
Escherichia
coli
Gram-positive
Staphylococcus
aureus
within
1
h
under
mild
irradiation
preserves
outstanding
capability
after
five
cycles
reutilization.
addition,
biocompatibility
is
confirmed
low
cytotoxicity
human
skin
fibroblast,
suggesting
its
potential
biomedical
healthcare
research
demonstrates
efficacious
integration
purposely
designed
porous
sustainable
substrate
synergistic
functionality,
paving
practical
way
development
next-generation
high-efficiency
antimicrobial
technology.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 16, 2025
Abstract
Ensuring
drinking
water
safety
remains
a
critical
challenge,
particularly
when
treating
complex
sources,
due
to
secondary
pollution
caused
by
active
chemical
additives.
Herein,
novel
CO
2
‐responsive
smart
wood
scaffold
that
leverages
non‐toxic
activation
is
developed
achieve
highly
efficient
removal
of
carcinogenic
natural
organic
matter
(NOM)
and
broad‐spectrum
microbial
disinfection
without
requiring
additional
agents.
Unlike
conventional
purification
techniques
face
safety‐efficacy
trade‐off,
the
multi‐stage
offers
exceptional
tunability
in
NOM
abatement
across
diverse
environmental
conditions,
including
variable
chemistry,
composition,
high
salinity,
real‐world
sources.
The
purified
meets
stringent
standards
(e.g.,
UV
254
reduction,
dissolved
carbon
removal,
bacterial
elimination).
It
found
adsorption
mainly
originates
from
strong
stable
‐triggered
cation−π
interaction
between
surface
aromatic
groups,
as
revealed
via
high‐resolution
mass
spectrometry
direct
intermolecular
force
measurements.
This
ecofriendly
contamination‐free
strategy
provides
transformative
approach
overcoming
challenges
purification,
offering
scalable
sustainable
platform
for
applications
beyond.
