Remarkable role of B site regulation on a highly heat-resistant double-perovskite phosphor with versatile NIR utilizations
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161635 - 161635
Опубликована: Март 1, 2025
Язык: Английский
Ca2YScAl2Si2O12:Cr3+ phosphor-in-glass film for laser-driven high-power near-infrared lighting
Journal of Materials Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
new
Ca
2
YScAl
Si
O
12
:Cr
3+
PiGF
was
synthesized
using
rapid
infrared
firing,
highlighting
luminous
output
of
2626
mW
under
blue
laser
excitation,
for
near-infrared
lighting
applications
in
nondestructive
detection,
night
vision
and
bioimaging.
Язык: Английский
Broadband and high internal quantum efficiency near-infrared phosphors obtained utilizing a chemical unit co-substitution strategy for plant lighting
Mengqi Lyu,
Jueran Cao,
Baoling Tang
и другие.
Journal of Materials Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Near-infrared
phosphor-converted
light-emitting
diodes
(NIR
pc-LEDs)
have
been
widely
used
in
plant
cultivation.
Язык: Английский
Mn2+-doped (Mg,Zn)xGeOy submicron particles with tunable, excitation-energy-dependent multi-color persistent luminescence
Materials Today Chemistry,
Год журнала:
2025,
Номер
45, С. 102653 - 102653
Опубликована: Март 18, 2025
Язык: Английский
Near-Infrared Phosphor Zn2InGaO5:Cr3+ with a Wide Bandgap Applicable for Light Sources at Low Temperature
Yanguang Guo,
Shuanghong Wei,
Fanghai Liu
и другие.
ACS Applied Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 26, 2025
Differing
from
traditional
near-infrared
(NIR)
light
sources
that
are
made
thermal
radiation
of
a
blackbody
or
filtered
gas
discharge,
the
technique
by
converting
blue
emission
light-emitting
diode
(LED)
chips
into
NIR
provides
solution.
For
this
purpose,
phosphor
should
be
developed
at
first.
In
work,
we
report
Zn2InGaO5:Cr3+,
synthesized
1450
°C
for
5
h
in
air
ambient,
applicable
LED
application
low
temperature
no
higher
than
200
K.
The
Zn2In0.98Cr0.02GaO5
and
Zn2InGaO5
host
have
direct
band
gap
about
3.00
3.03
eV,
respectively,
belong
to
class
bandgap
semiconductors.
Excited
471
nm
room
temperature,
gives
ultrabroadband
emission,
peaked
826
with
full
width
half-maximum
(FWHM)
192
nm,
region
700–1100
nm.
luminescence
intensity
increases
as
10
K,
maximizes
then
decreases
further,
showing
an
anomalous
temperature-quenching
effect.
Meanwhile,
peak
blue-shifts
continuously
779
output
power
pc-LED
device
packaged
using
Zn2InGaO5:Cr3+
driven
under
current
100
mA
is
5.14
mW,
which
photoelectric
conversion
efficiency
1.9%.
Язык: Английский
High Quantum Efficiency and Zero‐Thermal‐Quenching Blue‐Light‐Excited Near‐Infrared‐Emitting Y3Ga5O12:Cr3+/Ni2+ Phosphors
Advanced Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 19, 2025
Abstract
Near‐infrared
(NIR)
phosphors
that
exhibit
high
quantum
efficiency
and
excellent
thermostability
are
of
critical
importance
for
the
development
NIR
light‐emitting
diodes
(LEDs)
with
substantial
output
power.
In
this
work,
Cr
3+
‐Ni
2+
codoping
Y
3
Ga
5
O
12
(YGAO)
a
internal
(IQE),
external
(EQE),
notable
thermal
stability
prepared
via
solid‐state
reactions.
When
excited
by
blue
light
at
437
nm,
YGAO:Cr
/Ni
demonstrate
broad
intense
emission
spanning
600–1100
nm
1200–1650
nm.
YGAO:3%Cr
/0.01%Ni
an
IQE
96.9%
EQE
37.5%,
whereas
YGAO:6%Cr
have
76.2%
36.3%.
The
luminescence
intensities
ions
423
K
show
zero
quenching
in
compared
to
those
303
K,
which
is
attributed
enhancement
effect
caused
electron
population
between
energy
levels
trap‐supplemented
luminescence.
LED
based
on
has
maximum
power
197.79
mW
under
1000
mA
operating
current.
Furthermore,
also
promising
potential
detection
functional
groups,
night
vision,
penetration.
Язык: Английский
Blue-light excitable near-infrared LaMgGa11O19:Cr3+,Yb3+ phosphors with broadband emission and high thermal stability
Journal of Rare Earths,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
Язык: Английский
Achieving Thermally Stable YAl3–xGax(BO3)4:Cr3+ Near-Infrared Emitting Phosphors via Chemical Substitution for Plant Growth LEDs
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
Indoor
plant
cultivation
has
been
receiving
increased
attention
due
to
concerns
about
sustainable
agricultural
production.
Phosphor-converted
light-emitting
diodes
(pc-LEDs)
offer
substantial
promise
as
lighting
solutions
for
regulating
growth.
However,
the
quest
high-performance
phosphors
with
precise
responsiveness
far-red
phytochromes
poses
a
challenge.
Our
study
proposes
chemical
substitution
strategy
develop
near-infrared
(NIR)
phosphors,
YAl
Язык: Английский