Nanoscale,
Journal Year:
2024,
Volume and Issue:
17(4), P. 1980 - 1989
Published: Dec. 9, 2024
Nanosized
chiral
octahedral
M32
coordination
cages
were
prepared
via
self-assembly
of
sulfonylcalix[4]arene
tetranuclear
M(II)
clusters
(M
=
Co
or
Ni)
with
enantiomerically
enriched
linkers
based
on
tris(dipyrrinato)cobalt(III)
complexes,
appended
peripheral
carboxylic
groups.
Two
pairs
enantiomers
obtained
and
unambiguously
characterized
from
a
structural
point
view,
using
single
crystal
X-ray
diffraction.
Chiral-HPLC
was
used
to
evidence
the
enantiomers.
In
solid
state,
compounds
present
intrinsic
extrinsic
porosity:
porosity
is
linked
size
cages,
which
an
inner
diameter
ca.
19
Å.
The
solid-state
supramolecular
architectures
demonstrated
good
performances
as
adsorbents
for
water
2-butanol
guest
molecules.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(31), P. 41659 - 41668
Published: July 24, 2024
Recently,
metal–oxo
clusters
(MOCs)
have
attracted
significant
interest
in
fabricating
nanoscale
patterns
semiconductors
via
lithography.
However,
many
MOCs
are
highly
crystalline,
making
it
difficult
for
them
to
form
films
and
hindering
subsequent
nanopatterning
processes.
In
this
study,
we
developed
a
novel
simple
method
enhance
the
film-forming
ability
of
aromatic
tetranuclear
Sn–oxo
by
adding
additives.
Theoretical
calculations
Fourier-transform
infrared
(FTIR)
analysis
revealed
formation
intermolecular
hydrogen
bonds
between
additives,
which
induced
crystal–gel
phase
transition
at
−20
°C,
thereby
inhibiting
easy
crystallization
clusters.
High-quality
uniform
thin
with
surface
roughness
below
0.3
nm
were
prepared
spin
coating.
The
obtained
exhibited
good
lithographic
performance
under
deep
ultraviolet
(DUV),
electron
beam,
extreme-ultraviolet
irradiation
without
photo
acid
generator/photoinitiator,
13-
21
nm-wide
line
on
electron-beam
lithographies.
This
study
will
pave
way
further
investigation
advanced
lithography
other
thin-film
applications.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(41), P. 28541 - 28547
Published: Jan. 1, 2024
A
novel
3D
MOF,
SDU-CP-8,
features
an
ellipsoid-shaped
cage
and
a
3-nodal,
(4,6,8)-connected
network.
It
demonstrates
excellent
adsorption
separation
capabilities
for
C
3
H
8
/C
2
6
/CH
4
/CO
gas
mixtures.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Abstract
Metal‐organic
cages
(MOCs)
are
a
class
of
compounds
formed
through
the
coordination
metal
ions
with
organic
ligands
to
create
well‐defined
and
cage‐like
structure.
These
unique
structures
offer
versatile
environments
for
catalyzing
wide
range
chemical
reactions.
The
catalytic
capabilities
MOCs
significantly
influenced
by
nature
ions,
functional
ligands,
cage
Notably,
confined
spaces
within
can
lead
enhanced
reaction
efficiencies,
particularly
in
processes
such
as
light‐induced
hydrogen
generation
photocatalytic
reduction
CO₂.
Furthermore,
show
great
potential
photo‐organic
synthesis
due
structure,
which
provides
environment
allows
encapsulating
molecules,
making
them
useful
improving
selectivity
efficiency
process.
This
review
reports
development
photocatalysis,
focusing
on
structural
design
regulation
strategy
build
production,
CO
2
reduction,
transformation.
Insights
into
photocatalysis
discussed
including
challenges
further
research
direction
MOC‐based
photocatalysis.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 1, 2024
Nanoscale
molecular
materials
have
emerged
as
a
new
class
of
compounds
at
the
nanometer
scale
with
well-defined
chemical
structures,
remarkable
uniformity
and
high
reproducibility.
Among
these
materials,
zirconium-based
metal-organic
cages
(MOCs)
attracted
significant
attention
due
to
their
exceptional
stability
applications
in
catalysis,
recognition
separation
so
on.
However,
poor
water
solubility
impedes
biomedical
applications.
In
this
study,
decorating
ligand
Ru(II)
complexes
can
not
only
improve
but
also
endow
bright
red
fluorescence
large
Stokes
shift
(180
nm).
Notably,
butyl-modification
cyclopentadiene
rings
significantly
enhance
cell
uptake
(100
folds)
nanocages
via
actin-
dynamin-mediated
endocytosis.
The
unique
advantages
easy
modifiability
make
them
highly
promising
candidates
for
diverse
biological