Controllable thermo-stimulated luminescence in niobate persistent phosphor by constructing the photovoltaic/electrolytic cell for remote intelligent anti-counterfeiting
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161181 - 161181
Опубликована: Март 1, 2025
Язык: Английский
Simultaneous adjustment of afterglow wavelength and intensity in indium-substituted Ga1.99−xInxO3:0.01Cr3+
Journal of Materials Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Replacing
gallium
with
indium
in
the
crystal
structure
of
Ga
2
O
3
:Cr
3+
redshifts
emission
wavelength
to
830
nm
and
induces
persistent
luminescence.
Язык: Английский
Defect‐Assisted Dual‐Channel Optical Storage Material with Photochromism and Concealed Persistent Luminescence
Laser & Photonics Review,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Abstract
Optical
information
storage
technology
offers
several
advantages,
including
cost‐effectiveness,
multidimensional
storage,
and
rewritable
capability.
Consequently,
it
has
become
increasingly
popular
for
optical
media.
Herein,
a
novel
material
Na
2
CaGe
O
6
:Bi
3+
(NCGO:Bi
)
is
developed
using
non‐equivalent
substitution
strategy,
which
exhibits
photochromic
(PC)
ultraviolet
persistent
luminescence
(UV
PersL)
properties.
NCGO:Bi
demonstrates
excellent
white‐to‐brown
PC
performance
under
254
nm
light
irradiation.
The
brown
phosphor
can
be
effectively
bleached
425
or
thermal
stimulation,
demonstrating
reversibility
over
multiple
cycles.
Additionally,
the
displays
UV
PersL
characteristics.
representative
sample
NCGO:0.001Bi
with
duration
time
exceeding
10
h
after
excitation,
peaking
at
358
nm.
Simultaneously,
due
to
electrons
captured
by
deep
traps
released
via
low‐energy
also
photostimulated
Specifically,
oxygen
vacancies
(V
are
identified
primarily
responsible
observed
phenomena
X‐ray
photoelectron
spectroscopy
(XPS)
electron
paramagnetic
resonance
(EPR)
analyses.
Overall,
this
work
indicates
that
combination
of
light‐induced
in
single
potential
designing
advanced
luminescent
materials
application
storage.
Язык: Английский
Multicolor Persistent Luminescence for High-Sensitivity Optical Temperature Sensing, Human Motion Detection, and Multimodal Anticounterfeiting Materials
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Multimodal
luminescent
materials
are
widely
used
in
noncontact
temperature
sensors
and
fluorescent
dynamic
anticounterfeiting
due
to
their
visible
persistent
luminescence
fast
optical
signal
response.
To
this
end,
CaY0.99GaO4:
0.01
Bi3+;
CaY0.92GaO4:
Bi3+,
0.07Eu3+;
CaY0.96GaO4:
0.03Er3+
phosphors
were
prepared
using
the
high-temperature
solid-state
method.
The
down-conversion
luminescence,
up-conversion
long
mechanical
of
studied,
achieving
multicolor
luminescence.
It
was
found
that
0.07Eu3+
phosphor
achieves
maximum
relative
sensitivity
1.49%
K-1.
These
show
great
potential
for
applications
detection.
Through
density
functional
theory
electron
localization
function
analysis,
multimodal
CaYGaO4:
Eu3+/Er3+
studied.
ion
doping
leads
a
decrease
band
gap
induces
Jahn-Teller
effect,
creating
lower
energy
channels
accelerate
carrier
release
enhance
performance.
This
is
fundamental
reason
realization
human
motion
Subsequently,
novel
sensing
device
detection
developed
high
performance
phosphor.
properties
demonstrated
static-dynamic
applications.
Finally,
it
stability
wide
defect
states
provide
new
approach
sensors,
detection,
information
storage,
anticounterfeiting.
Язык: Английский
Li+-induced Dual Emission LiGa5O8 for High Sensitivity Optical Thermometer and Multi-mode Dynamic Anti-counterfeiting
Ceramics International,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
Язык: Английский
Microneedle-aided nanotherapeutics delivery and nanosensor intervention in advanced tissue regeneration
Churong Xu,
Fei Wu,
Zhouyi Duan
и другие.
Journal of Nanobiotechnology,
Год журнала:
2025,
Номер
23(1)
Опубликована: Май 3, 2025
Язык: Английский
Structural Rigidity Control via Non-Primary Lattice Substitution toward Thermally Stable Cr3+-Doped Near-Infrared Phosphors for pc-LED Applications
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
The
performance
of
near-infrared
phosphor-converted
light-emitting
diodes
(NIR
pc-LEDs)
is
dependent
on
the
phosphor
applied
to
LED
surface;
however,
challenges
low
external
quantum
efficiency
(EQE)
and
insufficient
thermal
stability
NIR
phosphors
remain.
Herein,
we
propose
a
novel
nonprimary
lattice
substitution
strategy
(Y3+
→
Gd3+)
enhance
structural
rigidity
Gd1-yAl3-x(BO3)4:xCr3+,yY3+
phosphor.
Unlike
conventional
host-site
substitutions,
this
approach
induces
compressive
strain
[Al/CrO6]
octahedron
via
Gd3+/Y3+
size
mismatch,
thereby
increasing
bond
energy
suppressing
electron-phonon
coupling.
optimized
emits
light
in
range
650-1000
nm
under
430
excitation,
with
(@423
K)
improving
from
73.8%
92.5%,
EQE
effectively
improved.
A
prototype
pc-LEDs
fabricated
450
chip
delivers
40.4
mW
output
power
at
100
mA
14.7%
photoelectric
efficiency,
demonstrating
ultralow
quenching
rate
(<6%
intensity
loss
after
30
days
operation).
was
used
butter
lettuce
cultivation
experiments,
results
showed
that
growth
pattern
changed
significantly
biomass
increased
(28.9%).
In
addition,
potential
for
application
organic
detection
demonstrated.
This
work
provides
engineering
route
design
stable
multifunctional
photovoltaic
applications.
Язык: Английский