Optics Letters,
Год журнала:
2024,
Номер
49(18), С. 5224 - 5224
Опубликована: Авг. 29, 2024
It
is
crucial
to
explore
the
intrinsic
mechanisms
that
influence
thermometric
sensitivity.
This
study
investigates
optical
performance
of
materials
with
same
crystal
structure
but
different
phonon
energies.
Ln
2
O
S:Er
3+
/Yb
(Ln
=
La/Gd/Y)
phosphors
similar
morphology
and
particle
sizes
were
prepared
systematically
energy
matrices
on
properties.
The
mechanism
was
elucidated
through
matching
degree
between
gap
energy,
Judd–Ofelt
(J–O)
theory,
quantum
dielectric
theory.
ultimately
concluded
combination
high
a
large
Ω
small
6
beneficial
for
enhancing
sensitivity
temperature
sensing
materials.
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(34)
Опубликована: Авг. 9, 2024
Abstract
Phosphors
with
multifunctional
applications
have
attracted
extensive
research,
especially
in
thermometer
and
anti‐counterfeiting
fields.
Herein,
a
series
of
Pr
3+
‐doped
YNbO
4
(YNO)
phosphors
adjustable
photoluminescence
red
persistent
luminescence
(PersL)
performances
are
developed.
YNO
host
exhibits
the
blue
self‐activated
luminescence,
different
emission
peaks
possess
various
thermal
stability
properties
due
to
quenching
channel
generated
by
intervalence
charge
transfer
state
between
Nb
5+
ions.
Two
kinds
fluorescence
intensity
ratio
models
high
absolute
relative
sensitivities
realized
measure
temperature
under
dual‐wavelength
excitation.
Moreover,
YNO:Pr
PersL
duration
about
120
s
upon
ceasing
UV
excitation
light
source.
The
fabricated
‐polydimethylsiloxane
films
display
patterns
passage
time
after
turning
off
light,
which
can
cleverly
achieve
dynamic
conversion.
These
results
demonstrate
that
phosphor
has
potential
excited
thermometry
Dalton Transactions,
Год журнала:
2024,
Номер
53(10), С. 4607 - 4616
Опубликована: Янв. 1, 2024
ZrScW
2
PO
12
:Tm
3+
/
x
Yb
upconverting
microparticles
with
good
NTE
properties
are
promising
luminescent
candidates
for
optical
thermometry,
in
which
their
maximum
S
a
and
r
values
0.09
1.45%
K
−1
,
respectively.
Dalton Transactions,
Год журнала:
2023,
Номер
52(47), С. 18069 - 18081
Опубликована: Янв. 1, 2023
Owing
to
some
special
superior
features,
luminescence
ratiometric
thermometry
has
acquired
popularity,
particularly
dual
excitation
single
emission
(SBR)
and
(FIR).
Nonetheless,
it
remains
difficult
create
that
can
operate
in
multiple
modes.
The
integration
of
FIR
SBR
techniques
paves
the
way
for
advancements
various
fields,
including
industrial
processes,
environmental
monitoring,
biomedical
applications,
where
accurate
temperature
measurements
are
crucial
optimal
performance
safety.
In
this
work,
we
describe
a
measure
based
on
light-induced
fluorescence
Pr3+
NaSrGd(MoO4)3
(NSGM).
optical
properties
were
investigated
by
UV-visible
absorption,
PL,
PLE
spectroscopy.
On
one
hand,
exhibits
varying
temperature-dependent
behavior
upon
450
nm
excitation.
Thus,
thermometer
between
levels
been
generated,
with
highest
sensitivity
approximately
0.83%
K-1
over
wide
range
290-440
K.
Furthermore,
luminescent
was
evaluated
same
range.
effect
concentration
red-emitting
thermometers
detail.
Sa
Sr
values
gradually
increase,
content
reaching
maximum
value
2.4%
at
413
K
NSGM:10%
phosphor.
These
results
show
ions
have
potential
be
optically
active
centers
applications
using
techniques.
It
is
anticipated
present
work
will
inspire
other
researchers
employ
multi-mode
more
widely.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(9), С. 2784 - 2797
Опубликована: Янв. 1, 2024
By
adjusting
the
phonon
energy
of
host
crystal
(Ca
2+
/Sr
/Ba
)
LaLiTeO
6
:Yb
3+
,
Tm
phosphor,
combined
with
cross-relaxation
phenomenon,
a
high-sensitivity
thermometer
for
dual-mode
temperature
measurement
was
constructed.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
An
effective
full-spectrum
thermometer
covering
from
the
visible
to
NIR-II
band
was
designed
based
on
garnet
Lu
2
CaMg
Ge
3
O
12
:Yb
3+
,Er
/Nd
phosphors;
meanwhile,
Er
(
4
I
13/2
)
split
into
four
Stark
sublevels
due
high
crystal
field
strength.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(30), С. 14142 - 14151
Опубликована: Июль 12, 2024
Double
perovskites,
a
class
of
ceramic
oxides
with
unique
crystal
structures
and
diverse
physical
properties,
show
promise
for
various
technological
applications
including
solar
cells,
photodetectors,
light-emitting
diodes
(LEDs).
Despite
limited
research
on
rare
earth-doped
double
leveraging
their
ultrahigh
luminous
efficiency
to
achieve
bright
yellow
LED
emission
addressing
energy
transfer
challenges
between
Yb
Abstract
The
advanced
design
of
rare‐earth‐doped
(RE‐doped)
fluoride
nanoparticles
has
expanded
their
applications
ranging
from
anticounterfeiting
luminescence
and
contactless
temperature
measurement
to
photodynamic
therapy.
Several
recent
studies
have
focused
on
developing
rare
morphologies
RE‐doped
nanoparticles.
Distinct
physical
materials
set
them
apart
contemporary
Every
unusual
structure
holds
the
potential
dramatically
improve
performance
nanoparticles,
resulting
in
a
remarkable
revolution
wide
range
applications.
This
comprehensive
review
serves
as
guide
offering
insights
into
various
uniquely
structured
including
hollow,
dumbbell‐shaped,
peasecod‐like
forms.
It
aims
cater
both
novices
experts
interested
exploring
morphological
transformations
Discovering
new
energy
transfer
pathways
enhancing
optical
application
been
long‐term
challenges
for
which
solutions
can
be
found
old
papers.
In
future,
nanoparticle
morphology
is
expected
involve
more
refined
microphysical
methods
chemically‐induced
syntheses.
Targeted
modification
aggregation
shapes
provide
advantages
different
structures
enhance
universality
