Abstract
Chromic
materials
with
multi‐stimuli
responses
have
received
tremendous
attention
from
industry
and
academia
for
their
potential
applications
in
smart
windows,
data
storage,
military
camouflage,
molecular
switches,
modulators,
etc.
To
develop
multi‐stimuli‐responsive
color‐changing
high
sensitivity
stability,
a
polyoxometalate‐based
copper‐viologen
framework,
formulated
as
Cu
2
(H
O)
(L)
[PW
12
O
40
][OH
−
]·2H
(
HNU‐97,
H
L
2+
=
1,1′‐(1,4‐phenylenebis(methylene))bis(4‐carboxypyridinium)),
was
prepared
by
mild
one‐step
self‐assembly
strategy.
Structural
analysis
shows
that
HNU‐97
presents
supramolecular
structure
formed
one‐dimensional
framework
polyoxometalates
through
rich
hydrogen
bonds,
anion‐π
interactions,
Discoloration
studies
show
exhibits
reversible
rapid
response
characteristics
to
various
external
stimuli,
such
10
s
UV
radiation,
5
min
heating,
ammonium/amine
vapors.
This
mechanism
reveals
different
excitation
sources
lead
preferential
transfer
directions
of
electrons,
resulting
discoloration
phenomena.
construct
stimuli‐chromic
good
mechanical
properties,
we
successfully
introduced
into
the
poly(vinyl
alcohol)
(PVA)/glycerol
(Gly)
hydrogel
obtain
composite
HNU‐97@PVA/Gly
.
Remarkably,
combines
merits
each
component
can
achieve
significant
behavior
under
both
irradiation
ammonia
atmosphere.
work
will
provide
an
idea
construction
multiple
stimuli‐responsive
materials.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
Three
cases
of
aminobenzoic
acid
hybrid
polyoxotungstates,
Na3(H3O)2[(HPW6O21)
(O2CC6H4NH2)3]·7H2O
(1),
K2(H3O)4[(AsW6O21)(O2CC6H4NH2)3]·4H2O
(2),
and
[(H2N(CH3)2]3Na2(H3O)[(SbW6O21)
(3),
were
successfully
synthesized.
This
is
the
first
report
successful
assembly
hexanuclear
{XW6}
(X
=
HPIII,
AsIII,
or
SbIII)
clusters
organic
carboxylic
(para
acid)
ligands.
All
three
hybrids
feature
a
common
unit
composed
six-membered
{WO6}
octahedral
ring
capped
by
one
{XO3}
trigonal
pyramid.
Furthermore,
these
possess
an
extensive
three-dimensional
network
hydrogen
bonds,
which
not
only
provide
high
thermal
stability
but
also
contribute
to
excellent
proton
conductive
performances.
Simultaneously,
based
on
Hirshfeld
partition
analysis,
combined
with
interaction
between
POMs
water
molecules,
transport
mechanisms
highlighted.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(24), P. 11518 - 11523
Published: Jan. 1, 2024
Three
structurally
new
polyoxometalate-templated
silver
clusters
have
been
synthesized
using
a
facile
solvothermal
approach,
the
resulting
three
exhibit
distinct
temperature-dependent
photoluminescence
and
photothermal
conversion
properties.
Coordination Chemistry Reviews,
Journal Year:
2024,
Volume and Issue:
519, P. 216091 - 216091
Published: July 30, 2024
Wells-Dawson
polyoxometalates
(WD
POMs)
are
an
important
subgroup
within
the
diverse
family
of
POMs.
In
last
two
decades,
there
has
been
remarkable
progress
in
structure
modification
and
post-functionalization
WD
POMs,
which
unlocked
their
enormous
potential
across
various
domains,
including
energy
materials,
catalysis
(photocatalysis,
electrocatalysis),
functional
materials
(sensors,
optical
electrochromic
magnetic
materials)
or
biology/medicine
(anticancer
antibacterial
activities).
What
makes
these
systems
particularly
captivating
is
highly
adaptable
topological
structure,
combined
with
versatile
functionalization
methods
consequently
precise
design
control,
transfers
into
a
wide
range
applications.
our
comprehensive
review,
we
focus
on
exploration
intricate
structural
characteristics
play
pivotal
role
properties.
Moreover,
exciting
promising
applications
POMs
areas
science
disciplines
highlighted.
Our
aim
to
shed
light
current
state
art,
identify
emerging
trends,
provide
insights
future
directions
POM
research,
still
being
expanded,
especially
given
rapid
development
continuous
novel
subunit
functionalities.
By
doing
so,
hope
contribute
better
understanding
inspire
further
innovation
utilization.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(37), P. 17108 - 17115
Published: Sept. 3, 2024
The
heteroanion
(HA)
component
plays
an
important
role
in
the
templating
of
heteropolyoxometalate
(HPA)
structures,
but
polyoxometalates
(POMs)
formed
from
two
different
templates
are
rarely
reported.
Herein,
we
present
a
five-layer
POM
[H
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(2)
Published: Jan. 15, 2025
ABSTRACT
Designing
efficient
photocatalyst
has
attracted
extensive
attention
for
treating
polluted
wastewater
containing
Cr
(VI).
In
this
work,
two
viologen/polyoxometalate
(POM)‐based
compounds
were
synthesized,
[Ni
(mimb)
2
(H
O)
4
(β‐Mo
8
O
26
)]·4H
(
1
)
and
[Zn
(mimb
=
1‐((3,5‐dimethylisoxazol‐4‐yl)methyl)‐[4,4′‐bipyridin]‐1‐ium),
through
a
hydrothermal
method
investigated
their
ability
of
photocatalytic
reduction
The
structures
1–2
characterized
by
single‐crystal
X‐ray
diffraction,
revealing
that
both
possess
zero‐dimensional
(0D)
structure
can
form
one‐dimensional
(1D)
chain
hydrogen
bondings.
Photocatalytic
experiments
demonstrate
compound
superior
performance
compared
to
.
Under
optimal
conditions
(pH
2,
15
mg
catalysts,
10
L
−1
(VI)
concentration),
completely
reduce
within
20
min,
while
requires
30
min.
Compounds
also
show
good
stability
after
reaction,
maintain
high
activity
five
reaction
cycles.
Additionally,
the
mechanism
was
studied,
free
radical
scavenging
its
main
active
species
are
e
−
,
h
+
˙O
nitroblue
tetrazolium
(NBT)
further
confirm
crucial
role
in
process.
activity,
stability,
recyclability
viologen/POM‐based
suggest
potential
application
treatment
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 6, 2025
Three
distinct
polyoxovanadoborates
modified
by
transition
metals,
specifically
{V10B26Cd8(phen)12}
(1,
phen
=
1,10-phenanthroline),
{V10B32Zn6}
(2),
and
{V12B32Cu2}
(3),
have
been
synthesized
under
hydrothermal
conditions.
Compounds
1-3
feature
three
unique
sandwich-type
clusters,
namely,
{V10B24},
{V10B28},
{V12B32},
each
characterized
toroidal
(O═VO2)n
(n
10,
12)
rings.
In
the
structure
of
1,
two
pairs
{Cd(phen)}
{Cd(phen)2}
units
are
grafted
on
{B13}
rings
from
top
bottom
{V10B24}
cluster,
respectively.
Compound
2
is
a
1D
polymeric
chain
consisting
bridging
ligand
{ZnO6}
unit
linked
to
which
accommodates
{Zn4B4O8}
unit.
The
{V12B32}
cluster
in
3
interconnected
with
[Cu(en)2]2+
(en
ethylenediamine)
create
sql
layer,
further
stacked
an
ABAB
sequence
form
3D
supramolecular
framework.
Additionally,
sulfide
catalytic
oxidation
experiments
revealed
that
compound
efficient
stable
catalyst.
