Angewandte Chemie,
Год журнала:
2024,
Номер
137(1)
Опубликована: Окт. 24, 2024
Abstract
Heterometallic
cluster‐based
materials
offer
the
potential
to
incorporate
multiple
functionalities,
leveraging
aggregation
effects
of
clusters
and
translating
this
heterogeneity
complexity
into
unexpected
properties
that
are
more
than
just
sum
their
components.
However,
rational
construction
heterometallic
remains
challenging
due
metal
cation
coordination
structural
unpredictability.
This
minireview
provides
insights
a
general
synthetic
strategy
based
on
Hard
Soft
Acids
Bases
(HSAB)
theory,
summarizing
its
advantages
in
designed
synthesis
discrete
(intracluster
assembly)
infinite
(intercluster
assembly).
Furthermore,
it
emphasizes
exploit
intrinsic
mixed
components
achieve
breakthroughs
across
broad
range
applications.
The
from
review
expected
drive
progress
controllable
predictable
manner.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(46), С. 22288 - 22296
Опубликована: Ноя. 7, 2024
Porous
metal–organic
frameworks
(MOFs)
have
shown
great
potential
as
adsorbents
for
capturing
radioiodine,
a
major
fission
product
generated
during
the
reprocessing
of
nuclear
fuel.
However,
studies
exploring
correlation
between
structure
MOFs
and
iodine
uptake
capacity
remain
notably
rare.
In
this
study,
we
introduce
new
strategy
enhancing
adsorption
efficiency
by
strategically
varying
position
functional
groups
on
organic
linkers.
Employing
ligand-functionalized
UiO-67
MOFs,
our
findings
reveal
that
ortho-amino
substitution
UiO-67-o-NH2,
proximal
to
node
dicarboxylate
linker,
markedly
accelerates
kinetics
vapor
in
comparison
meta-amino
UiO-67-m-NH2,
where
amino
are
oriented
away
from
node.
contrast,
UiO-67-m-NH2
exhibits
higher
2.19
g/g,
compared
1.91
g/g
attributable
its
porosity.
Furthermore,
competitive
I2/H2O
study
demonstrated
UiO-67-o-NH2
faster
selectivity
presence
water
UiO-67-m-NH2.
Additionally,
crucial
influence
positional
isomerism
has
been
corroborated
through
Raman
spectroscopy,
X-ray
photoelectron
density
theory
calculations.
These
analyses
nitrogen
atom
positioned
at
ortho
site
demonstrates
stronger
affinity
molecules
meta
site,
thereby
improving
kinetics.
Angewandte Chemie,
Год журнала:
2024,
Номер
137(1)
Опубликована: Окт. 24, 2024
Abstract
Heterometallic
cluster‐based
materials
offer
the
potential
to
incorporate
multiple
functionalities,
leveraging
aggregation
effects
of
clusters
and
translating
this
heterogeneity
complexity
into
unexpected
properties
that
are
more
than
just
sum
their
components.
However,
rational
construction
heterometallic
remains
challenging
due
metal
cation
coordination
structural
unpredictability.
This
minireview
provides
insights
a
general
synthetic
strategy
based
on
Hard
Soft
Acids
Bases
(HSAB)
theory,
summarizing
its
advantages
in
designed
synthesis
discrete
(intracluster
assembly)
infinite
(intercluster
assembly).
Furthermore,
it
emphasizes
exploit
intrinsic
mixed
components
achieve
breakthroughs
across
broad
range
applications.
The
from
review
expected
drive
progress
controllable
predictable
manner.
