New Transparent Rare‐Earth‐Based Hybrid Glasses: Synthesis, Luminescence, and X‐Ray Imaging Application
Aggregate,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
ABSTRACT
Metal–organic
hybrid
glasses
have
recently
emerged
as
the
fourth
member
in
glass
family
due
to
its
versatile
hosting
ability
various
functional
ions.
However,
no
luminescent
ions
been
successfully
introduced
into
date.
Here,
we
reported
a
benign
desolvation
method,
whereby
rare‐earth‐based
(RE(NO
3
)
(C
5
H
2
N
4
glasses)
were
rapidly
formed
within
1
h
at
low
temperature
down
140°C.
Such
facile
synthesis
was
applicable
full
rare‐earth
family,
including
Y,
Sc,
and
lanthanide
series.
The
exhibited
not
only
high
transparency
of
over
88%
but
also
quantum
yield
up
70%,
which
demonstrated
spatial
resolution
X‐ray
imaging
screen.
Hydrogen
bond
played
key
role
maintaining
structural
integrity
organic‐metal
framework,
turn
promoted
radiative
recombination
excited
states
both
singlet
triplet
organic
moiety
(4,5‐dicyanoiazole,
or
DCI).
An
efficient
energy
transfer
from
DCI
ions,
known
antenna
effect,
probed
by
steady‐state
time‐resolved
spectroscopy.
Apart
glasses,
incorporation
inert
such
La,
Lu
generated
transparent
enhanced
room‐temperature
phosphorescence.
This
work
improved
toolbox
metal–organic
provided
an
ideal
matrix
for
energy‐transfer
investigation
between
linker
Язык: Английский
Heteroatom number-dependent cluster frameworks in structurally comparable Pd–Au nanoclusters
Nanoscale,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
work
achieved
the
manipulation
of
Pd
dopant
numbers
in
cluster
framework
based
on
two
structurally
comparable
x
Au
12
(
=
1,
2)
nanoclusters.
Язык: Английский
Pincer-Ligand-Stabilized Group 10 Metal Nanoclusters: Chirality and Boat–Chair Structural Transformation
The Journal of Physical Chemistry Letters,
Год журнала:
2025,
Номер
unknown, С. 2942 - 2949
Опубликована: Март 13, 2025
Atomically
precise
metal
nanoclusters
bridge
the
gap
between
atoms
and
nanoparticles,
providing
an
ideal
platform
for
correlating
macroscopic
properties
of
nanoparticles
to
their
microstructures.
In
comparison
rapid
development
coin
nanoclusters,
knowledge
on
group
10
is
relatively
limited
because
active
nature,
resulting
in
synthetic
challenge.
this
work,
we
successfully
synthesize
three
that
is,
Ni3(SNS)3,
Ni3(SNOS)3,
Pd3(SNS)3,
by
using
SNS
pincer
ligands,
which
well-stabilize
nickel
palladium
kernels.
Intrinsic
chirality
originated
from
asymmetric
arrangement
surface
ligands
discovered.
Oxidation-induced
irreversible
transformation
boat-like
Ni3(SNS)3
chair-like
Ni3(SNOS)3
observed,
boat/chair
structure-dependent
reactivity
revealed.
The
structural
features
intriguing
Ni3
Pd3
stabilized
ligand
will
inspire
further
research
nanoclusters.
Язык: Английский