Inorganic Chemistry,
Год журнала:
2024,
Номер
64(1), С. 716 - 722
Опубликована: Дек. 24, 2024
Ligand-stabilized
metal
nanoclusters
with
atomic
precision
are
considered
to
be
promising
materials
in
the
field
of
light-emitting
and
harvesting.
Among
these,
thermally
activated
delayed
fluorescence
(TADF)
properties
highly
sought
after.
While
several
gold
silver
TADF
have
been
reported
recent
years,
research
on
copper
counterparts
has
significantly
lagged
behind.
In
this
study,
we
present
synthesis,
total
structure
determination,
photoluminescent
a
cluster
properties.
The
cluster,
molecular
formula
(PPh4)[Cu12(NO3)6(AdmS)6]
(PPh4
is
tetraphenylphosphine
tetraphenylboron,
AdmSH
adamantanethiol),
was
obtained
single
reaction
presence
air
fully
characterized
using
electrospray
ionization
mass
spectroscopy
(ESI-MS),
X-ray
photoelectron
spectroscopy,
nuclear
magnetic
resonance,
ultraviolet–visible
(UV–vis).
as
determined
by
crystallographic
analysis,
reveals
stabilization
Cu12
core
(layer-by-layer
growth
mode
Cu3@Cu6@Cu3)
6
NO3–
AdmS–
ligands
acting
stabilizing
ligands.
Interestingly,
exhibits
photoluminescence
both
crystalline
solution
states
displays
typical
characteristics
within
temperature
range
163–243
K.
This
study
not
only
presents
pioneering
example
but
also
highlights
future
clusters
material
science.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
MXenes,
a
novel
member
of
the
2D
material
family,
shows
promising
potential
in
stabilizing
isolated
atoms
and
maximizing
atom
utilization
efficiency
for
catalytic
applications.
This
review
focuses
on
role
MXenes
as
support
single-atom
catalysts
(SACs)
various
electrochemical
reactions,
namely
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
reduction
(ORR),
carbon
dioxide
(CO2RR),
nitrogen
(NRR).
First,
state-of-the-art
characterization
synthesis
methods
MXene-supported
SACs
are
discussed,
highlighting
how
unique
structure
tunable
functional
groups
enhance
performance
pristine
contribute
to
SAs.
Then,
recent
studies
different
electrocatalytic
areas
examined,
including
experimental
theoretical
studies.
Finally,
this
discusses
challenges
outlook
field
electrocatalysis.
Nanoscale,
Год журнала:
2024,
Номер
16(26), С. 12329 - 12344
Опубликована: Янв. 1, 2024
Achieving
atomic
precision
in
nanostructured
materials
is
essential
for
comprehending
formation
mechanisms
and
elucidating
structure-property
relationships.
Within
the
realm
of
nanoscience
technology,
atomically
precise
ligand-protected
noble
metal
nanoclusters
(NCs)
have
emerged
as
a
rapidly
expanding
area
interest.
These
clusters
manifest
quantum
confinement-induced
optoelectronic,
photophysical,
chemical
properties,
along
with
remarkable
catalytic
capabilities.
Among
coinage
metals,
silver
distinguishes
itself
fabrication
stable
nanoclusters,
primarily
due
to
its
cost-effectiveness
compared
gold.
This
minireview
provides
an
overview
recent
advancements
since
2020
synthetic
methodologies
ligand
selections
toward
attaining
NCs
boasting
minimum
two
free
valence
electrons.
Additionally,
it
explores
strategies
fine-tuning
optical
properties.
The
discussion
extends
surface
reactivity,
how
exposure
ligands,
heat,
light
induces
transformations
size
structure.
Of
paramount
significance
are
applications
reactions
energy
conversion,
supplemented
by
in-depth
mechanistic
insights.
Furthermore,
review
delineates
challenges
outlines
future
directions
NC
field,
eye
design
new
functional
prospective
diverse
technologies,
including
optoelectronics,
fine
synthesis.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 3, 2024
Abstract
Coinage
metal
nanoclusters
(NCs),
comprising
a
few
to
several
hundred
atoms,
are
prized
for
their
size‐dependent
properties
crucial
in
catalysis,
sensing,
and
biomedicine.
However,
practical
application
is
often
hindered
by
stability
reactivity
challenges.
Thiacalixarene,
macrocyclic
ligand,
shows
promise
stabilizing
silver,
copper,
bimetallic
NCs,
enhancing
structural
integrity
chemical
stability.
This
investigation
delves
into
the
unique
of
thiacalix[4]arene
role
bolstering
NC
stability,
catalytic
efficiency,
sensing
capabilities.
The
current
challenges
future
prospects
critically
evaluated,
underscoring
transformative
impact
nanoscience.
review
aims
broaden
utilization
atomically
precise
coinage
unlocking
new
avenues
across
scientific
industrial
applications.
Frontiers in Analytical Science,
Год журнала:
2025,
Номер
5
Опубликована: Янв. 22, 2025
Metal
nanoclusters
(MNCs)
possess
unique
optical
properties,
discrete
energy
levels,
biocompatibility
and
photostability,
making
them
pivotal
photoluminescent
probes
in
chemical
sensing.
While
substantial
work
has
addressed
the
synthesis,
theoretical
studies
applications
of
gold-,
copper-,
silver-based
MNCs,
this
review
introduces
fresh
perspectives
on
how
nature
concentration
templates—particularly
protein
molecules—affect
stability
sensing
capabilities
MNCs.
We
delve
into
merits
using
templates
for
creating
highly
stable
MNCs
with
tunable
photoluminescence
(PL),
providing
a
detailed
comparison
non-protein
based
systems.
This
also
unveils
recent
advancements
photophysical
characteristics
protein-templated
setting
it
apart
from
previous
reviews
by
focusing
cutting-edge
innovations
template
influence.
Challenges
future
prospects
are
highlighted,
marking
critical
pathways
upcoming
research.
not
only
integrates
current
knowledge
but
identifies
gaps
opportunities
covered
extensively
earlier
reviews,
such
as
nuanced
effects
variation
MNCs’
functional
properties.
Analytical Chemistry,
Год журнала:
2024,
Номер
96(47), С. 18873 - 18879
Опубликована: Ноя. 15, 2024
The
simultaneous
detection
of
multiple
bioanalytes
with
similar
structures
has
been
a
long-standing
challenge
for
biological
research
and
disease
diagnosis.
Bioreceptor-inspired
sensor
arrays
provide
an
attractive
competitive
solution
addressing
this
challenge,
but
applying
technique
to
biosensing
in
practical
application
scenarios
is
complicated
by
many
factors
such
as
the
lack
robust
probes,
interference
from
matrix,
difficulty
on-site
analysis.
In
work,
taking
advantage
intrinsic
fluorescence
enzyme-mimic
properties
gold
nanoclusters
(AuNCs),
we
report
design
innovative
ratiometric
array
toward
enhanced
fluorescent
visual
biosensing.
With
biologically
important
phosphates
example,
show
that
present
clusterzyme-based
could
effectively
discriminate
detect
eight
types
phosphates.
particular,
AuNCs
three
different
emission
colors
(blue,
green,
red)
good
peroxidase-mimic
were
employed
sensing
units,
presence
affected
both
enzymatic
activity
these
AuNCs,
yielding
distinct
optical
responses
manner.
Moreover,
portable
was
established
further
integrating
clusterzymes
into
hydrogel
which
visually
identify
based
on
their
color
changes.
Consequently,
point-of-care
diagnosis
urinary
tract
infections
at
levels
achieved
analyzing
microbial
ATP
via
strategy.
This
study
illustrates
great
potential
promising
platform