Clean Energy Science and Technology,
Год журнала:
2024,
Номер
2(1), С. 111 - 111
Опубликована: Фев. 28, 2024
Adsorption-based
water
management
and
evaporative
cooling
personal
thermal
(PTM)
technologies
offer
great
potential
to
achieve
adaptive
temperature
regulation,
wide
applicability,
low
energy
consumption.
However,
designing
high-performance
durable
hygroscopic
composites
that
combine
efficient
heat
dissipation
with
wear
comfort
is
a
challenge.
More
recently,
Xu
et
al.
used
two
polymers
crosslinking
strategies
develop
moisture-absorbent
fabrics
excellent
hygroscopicity,
durability,
ductility,
air
permeability,
washable
resistance,
antibacterial
properties.
This
work
paved
an
intriguing
PTM
application
prospect
of
all-polymer
composite
energy-efficient
moisture
sorption
cooling.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Фев. 10, 2024
Abstract
The
combination
of
macrocyclic
chemistry
with
co-crystal
engineering
has
promoted
the
development
materials
vapochromic
behaviors
in
supramolecular
science.
Herein,
we
develop
a
macrocycle
based
on
hybrid[4]arene
and
1,2,4,5-tetracyanobenzene
that
is
able
to
construct
materials.
After
capture
benzene
toluene
vapors,
activated
hybrid[4]arene-based
forms
new
structures,
accompanied
by
color
changes
from
brown
yellow.
However,
when
captures
cyclohexane
pyridine,
neither
structures
nor
colors
change.
Interestingly,
can
separate
benzene/cyclohexane
equal-volume
mixture
allow
be
removed
toluene/
pyridine
purities
reaching
100%.
In
addition,
process
adsorptive
separation
visually
monitored.
selectivity
attributed
different
charge-transfer
interaction
between
vapors.
Moreover,
reused
without
losing
performance.
This
work
constructs
material
for
hydrocarbon
separation.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(9), С. 6225 - 6230
Опубликована: Фев. 22, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
accumulate
in
water
resources
pose
serious
environmental
health
threats
due
to
their
nonbiodegradable
nature
long
persistence
times.
Strategies
for
the
efficient
removal
of
PFAS
from
contaminated
are
needed
address
this
concern.
Here,
we
report
a
fluorinated
nonporous
adaptive
crystalline
cage
(F-Cage
2)
that
exploits
electrostatic
interaction,
hydrogen
bonding,
F–F
interactions
achieve
perfluorooctanoic
acid
(PFOA)
aqueous
source
phases.
F-Cage
2
exhibits
high
second-order
kobs
value
approximately
441,000
g
mg–1
h–1
PFOA
maximum
adsorption
capacity
45
mg
g–1.
can
decrease
concentrations
1500
6
ng
L–1
through
three
rounds
flow-through
purification,
conducted
at
flow
rate
40
mL
h–1.
Elimination
PFOA-loaded
is
readily
achieved
by
rinsing
with
mixture
MeOH
saturated
NaCl.
Heating
80
°C
under
vacuum
then
makes
ready
reuse,
as
demonstrated
across
five
successive
uptake
release
cycles.
This
work
thus
highlights
potential
utility
suitably
designed
crystals
platforms
remediation.
Chemistry of Materials,
Год журнала:
2024,
Номер
36(3), С. 1631 - 1638
Опубликована: Янв. 18, 2024
Ortho-chlorotoluene
serves
as
a
vital
raw
material
in
the
petrochemical
industries.
However,
due
to
alkylation
and
chlorination,
ortho-chlorotoluene
is
often
mixed
with
meta-chlorotoluene
para-chlorotoluene.
The
selective
separation
of
from
chlorotoluene
isomers
crucial
step
industrial
production.
owing
close
boiling
points
isomers,
traditional
methods
demand
large
amount
energy.
Therefore,
there
an
urgent
need
develop
new
achieve
efficient
isomers.
Herein,
we
developed
adsorptive
strategy
using
nonporous
adaptive
crystals
hybrid[3]arene
H
(Hα).
Hα
was
proved
be
highly
effective
binary
or
ternary
mixture
Single-crystal
structure
analysis
electrostatic
potential
maps
indicated
that
selectivity
derived
stable
host–guest
between
H.
Besides,
exhibited
high
recyclability
reversible
transformation
guest-free
guest-contained
structures.
Materials Chemistry Frontiers,
Год журнала:
2024,
Номер
8(10), С. 2273 - 2281
Опубликована: Янв. 1, 2024
An
efficient
strategy
for
separation
of
xylene
isomers
in
both
vapor
and
liquid
phases
based
on
nonporous
adaptive
crystals
hybrid[3]arene
is
developed,
showing
good
performance
high
recyclability
o
-xylene,
providing
a
new
method
isomers.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(4), С. 4863 - 4872
Опубликована: Янв. 18, 2024
A
butterfly-shaped
phenothiazine
derivative,
PTTCN,
was
synthesized
to
obtain
pure
organic
porous
crystals
for
the
highly
efficient
absorptive
separation
of
toluene
(Tol)
and
methylcyclohexane
(Mcy).
Due
presence
three
polar
cyano
groups
nonplanar
conformation,
these
molecules
self-assembled
into
a
hydrogen-bonded
framework
(X-HOF-5)
with
distinct
cavities
capable
accommodating
Tol
through
multiple
hydrogen-bonding
interactions.
Upon
solvent
removal
via
heating,
activated
X-HOF-5
retained
its
cavity
structure
albeit
altered
stacking
arrangements,
accompanied
by
remarkable
fluorescent
color
change
from
cyan
green.
X-HOF-5a
can
undergo
phase
transformation
upon
reabsorption
Tol,
while
exhibiting
no
accommodation
Mcy
due
weak
intermolecular
interaction
between
PTTCN
Mcy.
This
suggests
that
HOF
material
prefers
over
Moreover,
may
selectively
accommodate
in
Tol/Mcy
equimolar
mixture,
purity
reach
97%
after
release
framework.
Additionally,
it
is
noteworthy
exhibits
recyclability
without
any
discernible
loss
performance.
Science,
Год журнала:
2024,
Номер
386(6725), С. 1037 - 1042
Опубликована: Ноя. 28, 2024
Aromatic
-
aliphatic
hydrocarbon
separation
is
a
challenging
but
important
industrial
process.
Pervaporation
membrane
technology
has
the
potential
for
separating
these
mixtures.
We
developed
an
oriented
monolayer
polyhedral
(OMP)
that
consists
of
ordered
particles
and
anchored
by
hyperbranched
polymers.
It
contains
high
density
straight,
selective
nanochannels,
enabling
preferential
transport
aromatic
molecules.
Compared
with
traditional
mixed-matrix
membranes
random
orientations,
OMP
improves
pervaporation
index
aromatic-aliphatic
mixtures
C
6
7
compounds,
surpassing
performance
existing
3
to
10
times.
This
demonstrates
molecular
their
application
in
value-added
naphtha
feedstocks.
RSC Advances,
Год журнала:
2025,
Номер
15(8), С. 6184 - 6190
Опубликована: Янв. 1, 2025
A
fully
fluorinated
β-diketonate
Cu(
ii
)
complex
enhances
CO
2
and
benzene
adsorption
via
quadrupole
interactions.
Despite
structural
similarity,
it
exceeds
the
partially
counterpart,
emphasizing
charge
distribution's
role
in
selectivity.
Journal of Nanobiotechnology,
Год журнала:
2024,
Номер
22(1)
Опубликована: Май 21, 2024
Transdermal
delivery
of
sparingly
soluble
drugs
is
challenging
due
to
their
low
solubility
and
poor
permeability.
Deep
eutectic
solvent
(DES)/or
ionic
liquid
(IL)-mediated
nanocarriers
are
attracting
increasing
attention.
However,
most
them
require
the
addition
auxiliary
materials
(such
as
surfactants
or
organic
solvents)
maintain
stability
formulations,
which
may
cause
skin
irritation
potential
toxicity.
