Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 14, 2024
Abstract
Mechanoluminescence
(ML)
refers
to
the
luminescence
phenomenon
that
occurs
when
a
material
is
under
external
mechanical
stimuli.
However,
relying
solely
on
stress
information
obtain
ML
signals
prone
test
errors
in
complex
conditions.
In
this
work,
Tb
3+
/Eu
‐doped
Lu
3
Al
2
Ga
O
12
multicolor
reported,
which
color
can
be
adjusted
from
white
red
(CIE
coordinates:
(x
=
0.313,
y
0.3293)
0.6183,
0.379))
by
changing
Eu
concentration.
addition,
LAGO:
0.25%
and
1.5%
are
physically
mixed
at
different
mass
ratios,
varied
stimuli‐responsed
emission
characteristics
of
ions
used
develop
temperature
dual
sensing
device.
Stress
further
reflected
simultaneously
through
blue/red
ratio
I
R
(I
/I
).
As
increases,
changes
0.3259,
0.306)
0.4707,
0.3625)),
relative
sensitivity
(Sr)
as
high
1.209%
K
−1
298
K.
This
device
provides
new
idea
for
potential
structural
safety
monitoring,
multi‐modal
anti‐counterfeiting
technology,
etc.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
12(17)
Published: March 2, 2024
Abstract
The
near‐infrared
(NIR)
persistent
luminescence
(PersL)
materials
have
attracted
widespread
attention
owing
to
the
unique
self‐sustained
light
with
good
penetrability.
Currently,
most
of
reported
NIR
PersL
are
activated
by
Cr
3+
.
Considering
potential
toxicity
chromium
ions,
there
is
an
urgent
requirement
explore
‐free
phosphors.
Herein,
a
novel
phosphor
Sr
2
LuSbO
6
:Fe
(SLSO:Fe
)
prepared
and
its
properties
systematically
studied.
Fe
‐activated
exhibits
long‐wavelength
emission
band
centered
at
890
nm
110
full‐width
half
maximum
(FWHM),
can
last
over
18
h.
shows
excellent
stability
even
after
being
dispersed
in
solutions
different
environments
for
7
days.
Furthermore,
emitted
penetrate
cm
thickness
beef,
evidencing
penetration
property.
This
work
provides
based
on
technological
applications
also
contributes
accelerate
development
new‐generation
‐doped
toward
versatile
applications.
Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: March 7, 2024
Abstract
Mechanoluminescence
(ML)
materials
are
featured
with
the
characteristic
of
“force
to
light”
in
response
external
stimuli,
which
have
made
great
progress
artificial
intelligence
and
optical
sensing.
However,
how
effectively
enable
ML
material
is
a
daunting
challenge.
Here,
Lu
3
Al
2
Ga
O
12
:Cr
3+
(LAGO:
Cr
)
near
infrared
(NIR)
peaked
at
706
nm
reported,
successfully
realizes
key
unlock
by
lattice‐engineering
strategy
substitution
for
“grow”
oxygen
vacancy
(O
v
defects.
Combined
thermoluminescence
measurements,
observed
due
formation
defect
levels
intensity
proportional
it.
It
confirmed
X‐ray
photoelectron
spectroscopy
electron
paramagnetic
resonance
that
such
process
dominated
,
plays
crucial
role
turning
on
this
compound.
In
addition,
potential
emissions
from
4
T
E
level
transitions
discussed
both
experimental
theoretical
aspects.
This
study
reveals
mechanism
change
behavior
after
cation
substitution,
it
may
important
implications
practical
application
defect‐regulated
turn‐on
ML.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(50)
Published: Nov. 6, 2024
Mechanoluminescence
(ML)
materials,
known
for
their
ability
to
convert
mechanical
energy
into
light,
are
increasingly
recognized
potential
applications,
such
as
in
intelligent
stress
sensing,
vivo
bioimaging,
and
non-destructive
monitoring.
However,
the
low
signal-to-noise
ratio
(SNR)
narrow-band
emission
of
single-defect-induced
ML
materials
usually
limit
biological-related
practical
applications.
Here,
these
limitations
will
be
addressed
by
modulating
microstructure
evolution
Y
Advanced Optical Materials,
Journal Year:
2023,
Volume and Issue:
11(23)
Published: July 26, 2023
Abstract
Applications
in
near‐infrared
(NIR)
have
been
explored
significantly
many
fields,
including
bioimaging,
night
vision,
plant
growth,
and
chemical
analysis.
Different
emission
profiles
are
required
within
the
same
industry.
Developing
luminescent
materials
with
different
tuning
methods
is
reliable
for
controlling
NIR
regions
(NIR‐I,
700–1000
nm;
NIR‐II,
1000–1700
nm).
Spinel
phosphors
promising
candidates
due
to
their
ability
modulate
crystal
field.
Understanding
parameters
that
influence
degree
of
inversion
spinel
compounds
crucial
harness
variability
structure.
Cr
3+
Ni
2+
ideal
activators
NIR‐I
NIR‐II
emissions,
respectively.
However,
there
a
need
emit
region
when
excited
by
visible
light.
Although
energy
transfer
method
combining
two
considered,
this
review
focuses
on
types
structures,
discussing
common
strategies
tune
host
The
goal
achieve
desired
shift
broadness
entire
spectrum,
highlighting
importance
spectrum
practical
applications.
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(9), P. 3476 - 3487
Published: Jan. 1, 2023
A
deep-red
to
NIR
ML
phosphor
of
MgGeO
3
:
Mn
2+
is
reported,
and
defect
believed
influence
the
properties
by
comparing
phosphor’s
luminescent
before
after
4+
–Mn
self-reduction.
Advanced Powder Materials,
Journal Year:
2023,
Volume and Issue:
3(2), P. 100165 - 100165
Published: Nov. 8, 2023
Mechanoluminescent
(ML)
materials,
which
have
the
ability
to
convert
mechanical
energy
optical
energy,
found
huge
promising
applications
such
as
in
stress
imaging
and
anti-counterfeiting.
However,
main
reported
ML
phosphors
are
based
on
trap-related
ones,
thus
hindering
practical
due
requirement
of
complex
light
pre-irradiation
process.
Here,
a
self-recoverable
near
infrared
(NIR)
material
LaAl1-xO3:
xCr3+
(x
=
0.2
%,
0.4
0.6
0.8
1.0
%
1.2
%)
has
been
developed.
Based
preheating
method
corresponding
performance
analysis,
influences
residual
carriers
eliminated
detailed
dynamic
luminescence
process
analysis
is
realized.
Systematic
experiments
conducted
reveal
origin
emissions,
demonstrating
that
dictated
more
by
non-centrosymmetric
piezoelectric
crystal
characteristic.
In
general,
this
work
provided
significant
references
for
exploring
efficient
NIR
may
provide
potential
anti-counterfeiting
bio-stress
sensing.
Advanced Optical Materials,
Journal Year:
2023,
Volume and Issue:
11(22)
Published: July 14, 2023
Abstract
Mechanical
luminescence
(ML)
is
the
conversion
of
mechanical
energy
into
light
when
a
material
subjected
to
force.
It
challenging
develop
ML
materials
with
tunable
luminescent
properties
by
single
ion
doping,
which
have
broad
application
prospects
in
fields
stress
sensing
and
dynamic
signature
anticounterfeiting.
In
this
study,
Pr
3+
doped
Sr
2
Ga
GeO
7
reported.
Due
traps
resulting
from
unequal
substitution
–Sr
2+
[SrO
6
]
heptahedra,
deep/shallow
redistribution
occurs
towards
multicolor
red
green.
addition,
even
after
continuous
friction
sliding
force
(15
N),
intensities
can
be
recovered
ultraviolet
pre‐irradiation,
indicating
that
:
has
excellent
emission
stability.
Based
on
thermoluminescence
analysis,
potential
PersL
mechanisms
are
further
elaborated
lattice
engineering
(trap
regulation)
strategy.
all,
development
single‐ion
may
crucial
research
value
show
variety
applications
anticounterfeiting
information
encryption.