Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 22, 2025
Rare
earth
ion
luminescent
materials
have
attracted
extensive
attention
due
to
their
wide
applications
in
biochemical
sensing
and
bioimaging.
However,
the
low
quantum
yield
weak
luminescence
intensity
restricted
further
development.
Realizing
modulation
of
rare-earth
ions'
emission
behavior
has
become
a
hot
topic
interdisciplinary
fields
chemometrics.
Herein,
regulation
electron
decay
process
photon
signals
rare
(Eu3+)
been
achieved
well-defined
plasmonic
nanocavity.
This
nanocavity
consists
Ag
shell-isolated
nanoparticles
(SHINs)
an
ultraflat
Au
film,
which
are
separated
by
polymer
dielectric
spacer
CaF2:Eu3+
nanoparticles.
Contrary
intrinsic
photoluminescence
CaF2:Eu3+,
factor
408
increase
spontaneous
rate
simultaneously
800-fold
enhancement
realized
nanocavities
via
comprehensive
spectroscopic
analysis.
Additionally,
evolution
law
between
plasmon
resonances
as
well
spectrum
Eu3+
indicates
highly
effective
plasmons.
presents
novel
strategy
for
enhancing
performance
optical
micro-
nanodevices
based
on
materials,
demonstrating
significant
potential
such
bioimaging
surface
detection
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
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
Abstract
Rare‐earth
afterglow
materials,
with
their
unique
light‐storage
properties,
show
great
promise
for
diverse
applications.
However,
broader
applicability
is
constrained
by
challenges
such
as
poor
solvent
compatibility,
limited
luminescent
efficiency,
and
monochromatic
emissions.
In
this
study,
these
limitations
are
addressed
blending
ZnS
various
rare‐earth
phosphors
including
(Sr
0.75
Ca
0.25
)S:Eu
2+
;
SrAl
2
O
4
:Eu
,
Dy
3+
Sr
MgSi
7
to
modulate
deep
trap
mechanisms
significantly
enhance
both
the
light
capture
capabilities.
Using
electrospinning,
a
large‐area
(0.4
m
×
3
m)
film
successfully
fabricated
tunable
colors
an
extended
duration
exceeding
30
h.
This
demonstrates
thermoluminescence,
enabling
potential
integration
into
fire‐rescue
protective
clothing
enhanced
emergency
visibility.
greenhouse
settings,
it
effectively
supports
chlorophyll
synthesis
optimizes
conditions
plant
growth
over
24‐h
cycle.
For
tunnel
garage
applications,
captures
stores
from
vehicle
headlights
at
distances
of
up
70
meters.
The
scalability
cost‐effectiveness
underscore
its
considerable
real‐world
applications
across
multiple
fields,
marking
significant
advancement
in
sustainable
illumination
technology.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 23, 2024
Abstract
Perovskite
light‐emitting
diodes
(Pero‐LEDs)
have
garnered
significant
attention
due
to
their
exceptional
emission
characteristics,
including
narrow
full
width
at
half
maximum,
high
color
purity,
and
tunable
colors.
Recent
efficiency
operational
stability
advancements
positioned
Pero‐LEDs
as
a
promising
next‐generation
display
technology.
Extensive
research
review
articles
on
the
compositional
engineering
defect
passivation
of
perovskite
layers
substantially
contributed
development
multi‐color
high‐efficiency
Pero‐LEDs.
However,
crucial
aspect
charge
transport
layer
(CTL)
modulation
in
remains
relatively
underexplored.
CTL
not
only
impacts
carrier
injection
balance
but
also
plays
critical
role
passivating
surface,
blocking
ion
migration,
enhancing
crystallinity,
improving
light
extraction
efficiency.
Therefore,
optimizing
CTLs
is
pivotal
for
further
Pero‐LED
performance.
Herein,
this
discusses
roles
categorizes
both
reported
potential
materials.
Then,
various
optimization
strategies
are
presented,
alongside
an
analysis
selection
criteria
high‐performance
Finally,
summary
outlook
advance
performances
provided.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(34), С. 13268 - 13278
Опубликована: Янв. 1, 2024
A
cation
site
modulation
strategy
is
proposed
to
regulate
the
emission
wavelength
of
Fe
3+
-activated
spinel
phosphors
with
superior
anti-quenching
properties.
Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Abstract
Nanomaterials
have
superior
electronic,
optical,
and
mechanical
properties
making
them
highly
suitable
for
a
range
of
applications
in
optoelectronics,
biomedical
fields,
photonics.
Nanomaterials‐based
IR
detectors
are
rapidly
growing
due
to
enhanced
sensitivity,
wide
spectral
range,
device
miniaturization
compared
commercial
photodetectors.
This
review
paper
focuses
on
the
significant
role
nanomaterials
infrared
detection,
an
area
critical
enhancing
night
vision
health
monitoring
technologies.
The
latest
advancements
photodetectors
that
employ
various
their
hybrids
discussed.
manuscript
covers
operational
mechanisms,
designing,
performance
optimization
strategies,
material
challenges.
aims
provide
comprehensive
overview
current
developments
nanomaterial‐based
identify
key
directions
future
research
technological
advancements.
Advanced Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
Upconversion
emissions
from
lanthanide
ions
have
unparalleled
advantages
in
the
field
of
temperature
sensing
and
information
encryption.
Despite
extensive
research
on
probes,
developing
highly
sensitive
measurement
applications
still
poses
a
significant
challenge.
This
study
utilizes
doped
BaTiO₃
as
foundational
material
to
develop
fiber
optic
probe
with
enhanced
sensitivity.
The
optical
temperature‐sensing
capabilities
are
assessed
based
intensity
ratio
various
energy
levels
BaTiO₃:
Yb/Tm/Er
phosphors.
Notably,
non‐thermal
coupling
level
between
Tm
Er
demonstrates
highest
sensitivity,
achieving
maximum
relative
sensitivity
2.70%
K⁻¹
at
303
K.
By
leveraging
temperature‐dependent
color
change
material,
large‐capacity
photonic
barcode
for
storage
encrypted
transmission
is
developed,
thereby
expanding
potential
monitoring.
