Laser & Photonics Review,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 28, 2024
Abstract
Materials
capable
of
simultaneously
achieving
both
mechanoluminescence
(ML)
and
luminescent
mechanochromism
(L‐MC)
hold
great
promise
in
smart
stimuli‐responsive
applications.
However,
single‐phase
single‐doped
inorganic
ML
materials
with
pronounced
L‐MC
behavior
are
exceptionally
rare
because
their
single
center.
This
study
investigates
a
unique
phenomenon
series
novel
triboelectrification‐induced
materials,
Sr
5
(PO
4
)
3
X:Eu
3+
(X
=
F,
Cl,
Br).
These
exhibit
the
situ
ionic
valence
state
transition
excitation
behaviors
Eu
‐Eu
2+
ion
pair
by
utilizing
inherent
properties
triboelectrification
cause
significant
differences
emission
spectra
during
photoluminescence
process.
The
redox
reactions
ions
process
influenced
synergistic
action
shuttle
(suitable
potential),
(driving
force),
vacancies
(catalysts).
Hence,
this
presents
direct
experimental
evidence
for
underlying
mechanism
advances
development
applications
materials.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июнь 25, 2024
Abstract
The
quest
for
artificial
light
sources
mimicking
sunlight
has
been
a
long‐standing
endeavor,
particularly
applications
in
anticounterfeiting,
agriculture,
and
color
hue
detection.
Conventional
simulators
are
often
cost‐prohibitive
bulky.
Therefore,
the
development
of
series
single‐phase
phosphors
Ca
9
LiMg
1‐x
Al
2x/3
(PO
4
)
7
:0.1Eu
2+
(x
=
0‐0.75)
with
sunlight‐like
emission
represents
welcome
step
towards
compact
economical
source
alternatives.
obtained
by
an
original
heterovalent
substitution
method
emit
broad
spectrum
spanning
from
violet
to
deep
red.
Notably,
phosphor
x
0.5
exhibits
impressive
full
width
at
half‐maximum
330
nm.
A
synergistic
interplay
experimental
investigations
theory
unveils
mechanism
behind
due
local
structural
perturbations
introduced
3+
Mg
,
leading
varied
distribution
Eu
within
lattice.
Subsequent
characterization
organic
dyes
combining
absorption
spectroscopy
convolutional
neural
network
analysis
convincingly
demonstrates
potential
this
portable
photodetection
devices.
Broad‐spectrum
testing
empowers
model
precisely
differentiate
dye
patterns.
This
points
being
ideal
sunlight.
Beyond
demonstrated
application,
phosphor's
utility
is
envisioned
other
relevant
domains,
including
visible
communication
smart
agriculture.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(30), С. 11209 - 11241
Опубликована: Янв. 1, 2024
The
research
progress
of
Ce
3+
/Eu
2+
doped
phosphors
that
can
be
excited
by
violet
light,
including
the
structural
models,
composition
regulation,
and
spectral
tuning,
is
summarized.
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
exploitation
and
utilization
of
resources
in
marine
environments
have
ignited
a
demand
for
advanced
illumination
optical
communication
technologies.
Light-emitting
diodes
(LEDs),
heralded
as
"green
lighting
sources",
offer
compelling
solution
to
the
technical
challenges
exploration
due
their
inherent
advantages.
Among
myriad
LED
technologies,
phosphor-converted
light-emitting
(pc-LEDs)
emerged
frontrunners
applications.
At
heart
pc-LEDs
lie
phosphor
materials,
colour-converters
that
orchestrate
emission
light.
In
environment,
blue-green
light
with
wavelength
440-570
nm
exhibits
deepest
penetration
depth,
while
other
wavelengths
are
rapidly
attenuated
shallow
layer.
Additionally,
specific
crucial
particular
However,
moist
environment
well
continuous
stable
pose
formidable
challenge
environmental
stability
phosphors.
Therefore,
developing
phosphors
exceptional
colour
purity
high
thermal
moisture
is
paramount
Herein,
this
review
delves
into
application
pc-LED
technology
underwater
fishery,
exploring
development
strategies
tailored
environment.
insights
presented
serve
valuable
reference
further
research
on
devices.
Journal of the American Ceramic Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 22, 2025
Abstract
Violet
light,
a
component
of
sunlight,
is
critical
for
human
health,
but
it
usually
ignored
in
classic
white
light‐emitting
diodes
(LEDs)
that
are
fabricated
by
pumping
green,
yellow,
or
red
phosphors
blue
LEDs.
To
realized
full‐spectrum
LEDs
healthy
lighting,
required
to
replace
near‐ultraviolet
(n‐UV)
violet
pump
multi‐color
phosphors.
Herein,
we
reported
and/or
blue–violet
Na
3
KMg
7
P
6
O
24
:Eu
2+
(NKMPO:Eu
)
and
K
1–
y
Sr
Mg
7–
Li
(NKSMLPO:Eu
can
be
efficiently
excited
n‐UV
The
NKSMLPO:Eu
phosphor
(
=
0.1),
showing
small
thermal
quenching,
had
photoluminescence
quantum
yield
64.9%
41.2%
under
365
405
nm
excitation,
respectively.
Full‐spectrum
were
obtained
combining
with
the
blue/blue–violet‐emitting
other
commercial
phosphors,
which
show
correlated
color
temperature
4285–4705
maximal
rendering
index
98.4.
It
confirms
adopted
as
light
filler
producing
sunlight‐like
Dalton Transactions,
Год журнала:
2024,
Номер
53(37), С. 15403 - 15411
Опубликована: Янв. 1, 2024
The
development
of
novel
narrow-band
emitting
phosphors
with
high
efficiency
and
stability
is
great
significance
for
WLED
backlights.
In
recent
years,
the
research
on
Bi
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Abstract
Full‐visible‐spectrum
emission
phosphors
are
promising
candidates
for
next‐generation
white
light‐emitting
diodes
(WLEDs),
overcoming
the
complex
and
high
costs
of
traditional
mixed
phosphors.
However,
their
practical
application
is
hindered
by
low
luminescence
efficiency.
In
this
regard,
a
generalization
strategy
developed
that
involves
creating
heterostructure
interfaces
to
prevent
detrimental
energy
transfer
processes,
thereby
boosting
The
SrLiPO
4
/Sr
9
MgLi(PO
)
7
:Eu
2+
single‐grain
prepared
in
work
have
achieved
remarkable
full‐visible‐spectrum
efficiency,
with
record
internal
external
quantum
efficiencies
76.1%
56.2%,
respectively.
WLEDs
encapsulated
phosphor
feature
color
rendering
index
(≈93.9),
correlated
temperature
(≈3100
K),
stable
performance,
indicating
as‐synthesized
excellent
healthy
lighting.
This
innovation
expected
accelerate
development
technology
inspires
creation
more
efficient
versatile
luminescent
materials
future.
