Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 24, 2024
Superatomic
alloy
Ag14Pd
clusters
exhibit
strong
near-infrared
luminescence
in
both
solid
and
solution
states,
for
the
first
time,
superatomic
have
been
used
as
inks
3D
printing
various
macroscopic
models.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 25, 2024
Abstract
Despite
recent
advances
in
cluster‐based
catalysis
for
organic
synthesis,
the
substrate
scope
of
reactions
catalyzed
by
metal
nanoclusters
is
typically
not
superior
to
previously
established
catalytic
systems.
Herein,
we
develop
new
atomically
precise
copper
protosilylation,
with
expanding
alkenes
and
simple
enynes
that
were
suitable
prior
synthetic
methodologies
traditional
complexes.
The
involvement
a
second
center
kernel
during
migratory
insertion
step
thought
be
responsible
expanded
scope.
In
addition,
reaction
highly
compatible
water
can
carried
out
open
air
rather
than
under
inert
gas
protection.
Mechanistic
studies
suggest
cluster‐catalyzed
protosilylation
proceeds
absence
silyl
radicals.
current
findings
demonstrate
potential
using
practical
sustainable
chemical
synthesis.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Март 7, 2025
Abstract
The
modulation
of
traps
has
found
attractive
attention
to
optimize
the
performance
luminescent
materials,
while
understanding
trap-involved
photoluminescence
management
metal
nanoclusters
greatly
lags
behind,
thus
extensively
impeding
their
increasing
acceptance
as
promising
chromophores.
Here,
we
report
an
efficient
passivation
structural
oxygen
vacancies
in
AuAg
by
leveraging
H
2
O
molecules,
achieving
a
sensitive
color
tuning
from
536
480
nm
and
remarkably
boosting
quantum
yield
5.3%
(trap-state
emission)
91.6%
(native-state
emission).
In
detail,
favored
electron
transfer
relevant
contributes
weak
trap-state
emission,
which
is
capable
being
restrained
molecules
taking
Au-O
Ag-O
bonds.
This
scenario
allows
dominated
native-state
emission
with
faster
radiative
rate.
parallel,
can
rigidify
landscape
on
hydrogen
bonding,
enabling
suppression
electron-optical
phonon
coupling
decelerated
non-radiative
presented
study
deepens
tailoring
properties
manipulating
surface
trap
chemistry
relaxation
dynamics,
would
shed
new
light
customizable
performance.
RSC Advances,
Год журнала:
2025,
Номер
15(12), С. 8889 - 8900
Опубликована: Янв. 1, 2025
Herein,
an
ultrasmall
copper–glutathione
nanocluster
was
prepared
via
one-pot
synthesis
and
acid
etching
at
pH
=
2.
The
formed
clusters
show
superior
catalytic
efficiency
for
p
-nitrophenol
reduction
HRP-like
activities.
Nanoscale,
Год журнала:
2024,
Номер
16(38), С. 17852 - 17867
Опубликована: Янв. 1, 2024
In
this
paper
we
present
the
investigation
of
reactivity
[Rh7(CO)16]3-
with
InCl3,
aim
expanding
more
general
study
that
allowed
us
to
obtain,
among
other
species,
icosahedral
[Rh12E(CO)27]n-
(n
=
4
when
E
Ge
or
Sn;
n
3
Sb
Bi)
family
clusters.
Indeed,
resulted
in
isolation
and
characterization
analogous
In-centred
[Rh12In(CO)28]3-
nanocluster
(1),
which
is
isoelectronic
isostructural
congeners.
During
course
reaction
two
new
namely
octahedral
[Rh6(CO)15InCl3]2-
(2)
dimeric
[{Rh6(CO)15InCl2}2]2-
(3)
have
also
been
identified.
The
between
InCl3
proved
be
poorly
selective;
nevertheless,
by
fine
tuning
some
parameters
it
was
possible
drive
towards
one
product
other.
Alternatively,
can
selectively
prepared
reacting
either
[Rh5(CO)15]-
or,
less
efficiently,
[Rh6(CO)15]2-
InCl3.
As
for
only
isolated
carrying
out
under
inert
atmosphere,
as
opposed
CO.
All
clusters
were
characterized
IR
spectroscopy
ESI-MS,
their
molecular
structures
fully
established
single-crystal
X-ray
diffraction
studies.
species
analysed
EDS
via
SEM,
further
investigated
through
situ
infrared
spectroelectrochemistry
CV
experiments
check
its
multivalence
nature.
reversibly
undergo
monoelectronic
oxidation
bi-electronic
reduction
processes,
behaving
like
an
electron
sponge
and,
thus,
giving
rise
[Rh12In(CO)28]n-
derivatives
1,
2
5).
These
results
parallel
findings
series.
geometry
variations
metal
framework
associated
changes
cluster
negative
charge
means
DFT
calculations.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(42), С. 28618 - 28623
Опубликована: Окт. 14, 2024
Coinage-metal
clusters
with
excellent
luminescence
properties
have
attracted
considerable
interest
due
to
their
intriguing
structures
and
potential
applications.
However,
achieving
strong
near-infrared
(NIR)
in
these
is
highly
challenging.
Here,
we
successfully
synthesized
the
first
Ln
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Cluster-assembled
nanowires
provide
a
unique
strategy
for
the
preparation
of
high-performance
nanostructures.
However,
existing
preparations
are
limited
by
complex
processes
and
harsh
reaction
conditions.
Here,
Ag
Chemical Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Controllable
transformation
is
a
prerequisite
to
the
in-depth
understanding
of
structure
evolution
mechanisms
and
structure-property
correlations
at
atomic
level.
Most
cases
direct
directional
nanocluster
sizes,