A Cr3+-triggered near-infrared tungstate phosphor for organic compound non-destructive detection
Ceramics International,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 1, 2024
Язык: Английский
Broadband short-wave near-infrared-emitting phosphor MgNb2O6:Cr3+ for pc-LED applications
Dalton Transactions,
Год журнала:
2024,
Номер
53(8), С. 3702 - 3712
Опубликована: Янв. 1, 2024
Novel
MgNb
2
O
6
:Cr
3+
phosphors
(
D
q
/
B
∼
1.65)
yield
broadband
short-wave
NIR
emission
peaking
at
970
nm
(FWHM
=
155
nm,
IQE
∼85.5%,
EQE
∼25.2%).
A
self-built
pc
-LED
works
well
for
bioimaging,
nondestructive
detection,
intelligent
identification,
etc
.
Язык: Английский
Cr3+ and Yb3+ co-doped perovskite-like phosphor with improved thermal stability by efficient energy transfer
AIP Advances,
Год журнала:
2024,
Номер
14(5)
Опубликована: Май 1, 2024
With
the
development
of
white
light-emitting
diode
(LED)
technology,
near-infrared
(NIR)
phosphor-converted
(pc)
LED
is
becoming
a
new
emerging
light
source.
However,
due
to
lack
long
wavelength
components
phosphors,
application
NIR
pc-LED
restricted.
In
this
work,
continuous
ultra-broadband
emission
without
gap
in
850–950
nm
region
has
been
realized
Mg4Nb2O9
(MNO):Cr3+,
Yb3+
phosphor.
Meanwhile,
when
compared
MNO:Cr3+,
an
improved
internal
quantum
efficiency
(from
55.4%
72.6%)
and
thermal
stability
39%
63%
at
100
°C)
have
obtained
for
Yb3+,
which
attributed
combined
effect
efficient
energy
transfer
from
Cr3+
its
nearest
unique
levels
Yb3+.
The
performances
fabricated
devices
by
combining
with
460
chips
were
also
given,
results
demonstrate
that
phosphor
may
potential
practical
pc-LED.
Язык: Английский
Structural and photoluminescence properties of SrNb2O6: RE3+ (RE = Sm, Tb) phosphors for solid state lighting
Ceramics International,
Год журнала:
2024,
Номер
50(20), С. 39175 - 39185
Опубликована: Июль 20, 2024
Язык: Английский
Enhanced NIR optical properties of a single-site-occupied ultra-broadband InNbTiO6:Cr3+ phosphor at 965 nm through Ga3+ doping
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(26), С. 9795 - 9803
Опубликована: Янв. 1, 2024
Replacing
In
3+
with
Ga
enhances
the
optical
characteristics
of
an
ultra-broadband
1−
x
NbTiO
6
:
Cr
NIR
phosphor
rendering
it
applicable
in
spectral
analysis
applications.
Язык: Английский
Hydrothermal synthesis of ZnGa2O4 nanophosphors with high internal quantum efficiency for near-infrared pc-LEDs
Chengping Fang,
Shuaida Wang,
Shuai Wei
и другие.
Dalton Transactions,
Год журнала:
2024,
Номер
53(14), С. 6377 - 6385
Опубликована: Янв. 1, 2024
ZnGa
2
O
4
:
x
Cr
3+
,
y
Ni
2+
nanophosphors
exhibiting
excellent
luminescence
performance
in
the
second
near-infrared
region
via
an
energy
transfer
process
and
phosphor-conversion
LED
(NIR
pc-LED)
application
for
infrared
imaging.
Язык: Английский