Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(27), P. 12564 - 12571
Published: June 26, 2024
The
design
and
intentional
construction
of
crystalline
materials
containing
two
clusters
with
redox
properties
in
one
framework
still
remains
challenging.
Linking
oxidative
polyoxometalate
(POM)
a
reductive
cyclic
trinuclear
copper
complex
(Cu-CTC)
to
prepare
stable
catalysts
is
rarely
reported.
Herein,
we
successfully
obtained
new
polyoxometalate-based
metal-organic
compounds
(POMOCs)
[Cu
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Polyoxovanadate-alkoxides
are
a
growing
family
of
earth-abundant
first-row
transition
metal
polynuclear
species
highly
promising
for
their
tunable
redox
properties.
The
speciation
and
nucleation
chemical
space
these
is
divided
into
two
groups:
1)
fully
oxidized
V(V)
monomeric
precursors
that
aggregate
Lindqvist-type
clusters
2)
reduced
V(IV)
forming
cyclic
structures.
polyoxovanadate-alkoxides
with
varying
alkyl
chain
lengths,
the
impact
presence
templating
anions,
subsequent
evolution
to
congener
were
studied
by
using
density
functional
theory.
oxygen-vacant
cluster
structures
was
found
be
endergonic,
in
agreement
previous
experimental
work.
Moreover,
reactivity
traces
water
alcohol
solvents
confirmed
main
thermodynamic
driving
force
toward
formation
mixed-valent
polyoxovanadate
species.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Iron-based
catalysts
are
very
appealing
in
terms
of
applications
due
to
the
low
cost
Fe
and
its
abundance
Earth's
crust.
In
field
water
oxidation,
unfortunately,
iron
oxides
cannot
match
activity
Co
or
Ni
oxides,
much
less
than
noble
metal
(IrO2).
The
transition
metals
promote
oxygen
evolution
reaction
(OER)
can
be
tuned
enhanced
by
their
incorporation
into
polyoxometalate
frameworks
(POMs).
comparison
with
POMs
offer
a
controlled,
discrete
structure
tailor-made
environment.
Fe-POMs
still
show
OER
neutral
basic
media
when
compared
Co-POMs.
When
moving
highly
acidic
media,
we
have
found
an
unexpected
electrochemical
response
carbon
paste
electrodes
containing
salts
[Fe4III(H2O)2(PW9O34)2]6–
(Fe4)
polyanion.
oxidative
conditions,
these
showed
lower
onset
potentials
higher
current
densities
Co-based
analogues,
contrary
computational
expectations.
Careful
analyses
shown
excellent
stability
Fe4
pH
<
1
but
poor
selectivity.
CO2
is
dominant
product,
addition
O2.
capability
oxidize
amorphous
under
conditions
appears
unique
since
it
not
simple
salts.
Thus,
Fe-POMs,
modest
catalysts,
exhibit
performance
electrochemically
oxidizing
carbon.
Dalton Transactions,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Recent
advances
in
polyoxometalate
(POM)-based
materials
with
biomedical
applications
indicate
significant
potential
the
therapeutic
field.
The
scientific
community
aims
to
advance
these
enhance
bioorthogonal
chemistry
of
POMs.
Chemical Synthesis,
Journal Year:
2025,
Volume and Issue:
5(3)
Published: April 10, 2025
Nano-photocatalysts
exhibit
significant
potential
for
diverse
applications,
including
the
degradation
of
organic
pollutants,
hydrogen
generation
through
water
splitting,
synthesis,
and
photoelectrochemical
conversion.
Recently,
there
has
been
growing
interest
in
efficient
utilization
wastewater
liquid
waste
as
resources
synthesis
production.
This
approach
offers
a
promising
solution
to
both
energy
environmental
challenges
by
enabling
from
using
nanophotocatalysts.
Dual-functional
nanophotocatalysts
demonstrated
catalysis
processes.
review
provides
comprehensive
analysis
various
nano-photocatalysts,
their
processes,
underlying
photocatalytic
mechanisms
that
drive
synergistic
effects,
leading
enhanced
efficiency.
Furthermore,
resulting
products
implications
are
discussed
detail.
Key
associated
with
this
emerging
technology
identified,
along
future
research
directions
advance
its
development.
By
highlighting
recent
advancements
use
nano-photocatalysts
compound
waste,
serves
valuable
resource
guide
ongoing
efforts
field.
