Efficient and Thermally Stable Cr3+-activated Germanate Phosphor for Thermometry, Plant Cultivation, and Near-Infrared Light-Emitting Diode Applications
Journal of Alloys and Compounds,
Journal Year:
2025,
Volume and Issue:
unknown, P. 179931 - 179931
Published: March 1, 2025
Language: Английский
Dual-mode optical thermometry and multilevel anti-counterfeiting based on Er3+/Eu3+ doped Ba5Gd8Zn4O21 phosphors
Xiaoying Liang,
No information about this author
Falin Zhang,
No information about this author
Hailin Gong
No information about this author
et al.
Journal of Luminescence,
Journal Year:
2024,
Volume and Issue:
269, P. 120483 - 120483
Published: Jan. 29, 2024
Language: Английский
Stimuli-responsive luminescence of electronic capture phosphor for multimode anti-counterfeiting
Materials Research Bulletin,
Journal Year:
2024,
Volume and Issue:
176, P. 112821 - 112821
Published: April 4, 2024
Language: Английский
Controllable persistent luminescence in bismuth activated memory phosphors by trap management for artificial intelligence anti-counterfeiting
Dangli Gao,
No information about this author
Chengxue Du,
No information about this author
Yuqiang Wang
No information about this author
et al.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
We
successfully
developed
a
series
of
LLGO
Bi
3+
:Ln
phosphors
with
multicolour
and
multimode
luminescence
for
information
storage
anti-counterfeiting
by
deliberately
manipulating
the
trap
state
carrier
transport
process.
Language: Английский
Trap engineering in bismuth activated NaLu(Gd)GeO4 persistent phosphors by doping Ln3+
Xiaochun Hou,
No information about this author
Teng Wan,
No information about this author
Dangli Gao
No information about this author
et al.
Materials Today Chemistry,
Journal Year:
2024,
Volume and Issue:
39, P. 102170 - 102170
Published: June 24, 2024
Language: Английский
Tunable Multi-color Luminescence of Single-Component BaAl4Sb2O12:Bi3+ Phosphors for Anti-Counterfeiting and Information Encryption
Yucheng Yan,
No information about this author
Yuhang Zhang,
No information about this author
Xin Chen
No information about this author
et al.
Ceramics International,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Language: Английский
Multicolor Persistent Luminescence for High-Sensitivity Optical Temperature Sensing, Human Motion Detection, and Multimodal Anticounterfeiting Materials
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 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.
Language: Английский
Cooling Condition Effect on Spectral Properties and Smartphone-Based Anticounterfeiting Application of Zn3Ga2Ge2O10/Cr3+ Phosphors
Yanqiu Zhang,
No information about this author
Zhouhua Peng,
No information about this author
Xin Chen
No information about this author
et al.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(30), P. 14152 - 14161
Published: July 12, 2024
The
influence
of
cooling
history
for
the
Zn3Ga2Ge2O10/Cr3+
phosphors
prepared
by
solid
state
reaction
on
spectral
properties
was
discovered,
and
an
anticounterfeiting
scheme
based
identification
with
smartphone
proposed
experimentally
demonstrated
using
studied
phosphors.
A
combination
color-tunable
visible
fluorescence
emission
near-infrared
(NIR)
afterglow
in
Zn3Ga2Ge2O10/x
mol
%
Cr3+(x
=
0,
0.05,
1,
2,
3,
4)
to
achieve
multimode
reported.
It
is
found
that
increasing
Cr3+
concentrations,
can
be
tuned
from
green,
light
pink,
red
deep
under
254
nm
ultraviolet
(UV)
excitation.
This
phenomenon
related
formation
oxygen
vacancies
host
during
process
natural
characteristic
Cr3+.
In
addition,
persistent
time
centered
at
700
also
various
concentrations.
possible
mechanism
deduced
explain
phenomenon.
Lastly,
a
flower
pattern
applied
fabricated
(x
present
tunable
color
NIR
signals
different
excitation
modes,
camera
chosen
as
detection
tool
take
images.
results
obtained
above
suggest
condition
have
great
potential
affording
advanced
optical
anticounterfeiting.
Language: Английский
Novel Multi-Mode Anti-Counterfeiting Encryption Material of Caal12o19:Eu, Er with Multi-Color Down-Conversion Luminescence, Up-Conversion Luminescence, Dynamic Luminescence, and Photochromism
Published: Jan. 1, 2024
Language: Английский
Novel multi-mode anti-counterfeiting encryption material of CaAl12O19:Eu, Er with multi-color down-conversion luminescence, up-conversion luminescence, dynamic luminescence, and photochromism
Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
678, P. 872 - 885
Published: Aug. 26, 2024
Language: Английский