Tunable Catalytic Performance of Pd-Doped Carbon Dots for Catalytic Polymerization of Phenylacetylenes via Modification of Surface Functional Groups
ACS Applied Nano Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Язык: Английский
Unusual Temperature-Dependent Photoluminescence Due to Competing Excited-State Energy Transfer in Rare Earth Double Perovskites
The Journal of Physical Chemistry Letters,
Год журнала:
2025,
Номер
16(2), С. 544 - 552
Опубликована: Янв. 6, 2025
Lead-free
halide
double
perovskites
(DPs)
have
become
a
research
hotspot
in
the
field
of
photoelectrons
due
to
their
unique
optical
properties
and
flexible
compositional
tuning.
However,
luminescence
DPs
exhibits
thermal
quenching
at
high
temperatures,
which
severely
affects
further
application.
Herein,
we
synthesized
rare
earth
Dy3+
transition
metal
Mn2+
codoped
Cs2NaYCl6
characterized
using
temperature-dependent
photoluminescence
spectra
time-resolved
decay
profiles
different
temperatures.
The
Mn2+-Dy3+:Cs2NaYCl6
exhibit
stronger
with
increasing
temperature,
attributed
antithermal
quenching.
successful
incorporation
Mn
dopants
lattice
results
suppression
nonradiative
recombination,
more
efficient
energy
transfer
(ET)
Dy3+,
reduced
distortion.
These
kinds
near-infrared
promising
prospects
applications
such
as
night
vision,
radiation
detection,
solid-state
lighting,
temperature
measurement.
Язык: Английский
One-Pot Preparation of 3D-Printed Co-Loaded Silica Ceramic Catalysts
Journal of the European Ceramic Society,
Год журнала:
2025,
Номер
unknown, С. 117225 - 117225
Опубликована: Янв. 1, 2025
Язык: Английский
Well‐Defined Nanostructures: Concept, Impact and Perspective
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
Well-defined
nanostructures
(WDNSs)
represent
a
transformative
frontier
in
nanotechnology,
enabling
precise
control
over
material
properties
through
nanoscale
engineering.
The
connectivity
of
building
blocks
is
increasingly
critical
defining
the
and
applications
WDNSs.
Traditional
dimensionality-based
classifications
provide
foundational
insights
but
overlook
delicate
influence
architectures
on
functionality.
This
perspective
introduces
supplementary
classification
framework
based
modes,
including
discrete
connections,
serial
2.5D
3D
interpenetrations.
Each
category
defines
specific
structural
configurations
that
decide
spatial
arrangement,
interaction
dynamics,
functional
integration
components.
establishes
unique
for
understanding
WDNSs,
linking
their
design
with
diverse
catalysis,
energy
storage,
biomedicine,
beyond.
By
regulating
strategies
emerging
demands,
WDNSs
offer
considerable
opportunities
designing
multifunctional
materials,
providing
foundation
advancing
nanotechnology
addressing
complex
scientific
societal
challenges.
Finally,
advanced
rational
design,
accurate
synthesis,
comprehensive
deployment,
sustainable
development
remain
to
bottlenecks
development.
Язык: Английский