In
this
work,
an
interesting
discovery
that
using
plasma
electrolytic
oxidation
(PEO)
technology
to
prepare
ammonium
aluminum
carbonate
hydroxide
(AACH)
in
the
electrolyte
containing
carbon
nanotubes
(CNTs)
had
been
found.
CNTs
were
also
involved
composite
coating
on
surface
of
6063
alloy.
The
formation
mechanism
AACH
and
effects
microstructure
corrosion
behavior
PEO
coatings
investigated.
morphology,
pore
distribution,
phase
composition,
functional
groups
electrochemical
characteristics
examined
scanning
electron
microscopy
(SEM),
Image
Pro
software,
X-ray
diffractometer
(XRD),
grazing
incidence
XRD
(GIXRD),
fourier
transform
infrared
spectrometer
(FT-IR)
workstations,
respectively.
Results
showed
rod-like
was
generated
around
discharge
channel
by
reacting
between
ammonia,
dioxide
AlOOH
under
transient
high
temperature
pressure
environment
with
presence
CNTs.
micropores
enlarged
due
excellent
electrical
conductivity
At
addition
1.5
g/L,
self-corrosion
current
smallest,
polarization
resistance
Rp
larger
than
1.0
g/L
2.0
g/L.
Journal of Advanced Ceramics,
Journal Year:
2024,
Volume and Issue:
13(6), P. 810 - 820
Published: April 24, 2024
Achieving
high
color
rendering
index
(CRI)
and
luminous
stability
in
single-structured
Ce:YAG
phosphor
ceramics
(PCs)
is
crucial
for
high-power
white
light-emitting
diodes
or
laser
(LEDs/LDs).
However,
cyan
valley
insufficient
red
component
of
the
emission
spectra
significantly
limit
their
real
applications.
In
this
work,
a
series
Ce,Mn:Y3(Al,Sc)2Al3O12
(Ce,Mn:YSAG)
PCs
were
fabricated
by
vacuum
sintering,
an
efficient
spectral
regulation
was
realized
full-color
lighting.
The
filled
blue-shifted
peak
Ce3+
via
Sc3+
doping.
orange-red
around
580
nm
effectively
supplemented
Mn2+
Particularly,
CRI
Ce,Mn:YSAG
increased
from
56.4
to
85.8
with
52%
increment
compared
under
LED
excitation,
operating
temperature
stable
at
about
50
℃
long
working
time.
Meanwhile,
values
80.9
could
still
be
obtained
PC
based
LDs.
These
results
indicated
that
excellent
extremely
promising
convertor
LEDs/LDs.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(17), P. 6046 - 6055
Published: Jan. 1, 2024
“Heavy
atom
substitution”
was
utilized
to
improve
the
thermal
behaviors
of
Ce:LuAG
transparent
ceramics
via
Sr
2+
/Si
4+
doping,
exhibiting
high
luminous
efficiency
radiation
(261.98
lm
W
−1
)
and
luminance
saturation
threshold
(∼65
mm
−2
).
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Glutathione
serves
as
a
common
biomarkers
in
tumor
diagnosis
and
treatment.
The
levels
of
its
intracellular
concentration
permit
detailed
investigation
the
microenvironment.
However,
low
polarization
weak
Raman
scattering
cross‐section
make
direct
indirect
detection
challenging.
This
study
designs
an
amorphous‐crystalline
urchin‐like
TiO
2
(AC‐UL‐TiO
)
for
accurate
identification
GSH
GSSG.
By
synergistically
regulating
crystalline
core
amorphous
shell,
bandgap
structure
is
optimized,
thereby
enhancing
charge
transfer
efficiency.
AC‐UL‐TiO
demonstrates
excellent
SERS
performance
detecting
dye
molecules
with
good
selectivity
mixed
analytes.
enhancement
factor
(EF)
R6G
6.89
×
10
6
,
limit
(LOD)
−10
M.
A
SERS‐colorimetric
dual‐modality
platform
developed
based
on
@DTNB
system
to
accurately
monitor
concentrations
from
0
1000
µM,
providing
robust
dual‐confirmation
result.
Importantly,
combined
principal
component
analysis
method,
can
directly
distinguish
GSSG
molecules.
Besides,
LOD
are
−8
M,
which
100
times
higher
than
that
detection.
These
findings
indicate
holds
potential
trace
microenvironments.
Optics Express,
Journal Year:
2022,
Volume and Issue:
30(22), P. 40951 - 40951
Published: Oct. 13, 2022
High-power,
high-brightness
laser
lighting
promotes
new
requirements
for
light-conversion
materials,
such
as
high
thermal
conductivity,
saturation
threshold
and
compact
encapsulation.
In
this
paper,
we
designed
fabricated
a
novel
composite
structure
ceramic
including
1.0
×
mm2
Al2O3-YAG:Ce
φ=16.0
mm
transparent
YAG
the
transmissive
configuration
in
lighting.
When
pumped
by
blue
from
0∼60
W
mm2,
all
samples
exhibited
no
luminous
phenomenon,
10.0
wt.%Al2O3-YAG:Ce/YAG
with
thickness
of
0.3
maintained
white
light
efficacy
over
200
lm/W.
Moreover,
maximal
flux
1000
lm,
correlated
color
temperature
(CCT)
5471
K,
an
operating
low
92.3
°C
were
obtained
under
excitation
power
density
60
W/mm2.
The
that
encapsulated
reflects
excellent
optical
properties
using
highly
thermally
conductive
materials.
These
results
indicate
Al2O3-YAG:Ce/
phosphor
is
promising
candidate
automotive
searchlight.
Optics Express,
Journal Year:
2023,
Volume and Issue:
31(25), P. 41556 - 41556
Published: Nov. 13, 2023
The
realization
of
high
front
light
emission
in
laser
lighting
under
transmissive
modes
is
heavily
constrained
by
low
thermal
stability
and
extraction
efficiency
color
converter
materials.
Therefore,
it
necessary
to
improve
the
heat
dissipation
capacity
utilization
through
appropriate
microstructural
adjustments.
In
this
study,
what
we
believe
be
a
novel
laminated
structure
consisting
Al2O3
YAG:Ce
was
designed
fabricated
for
lighting.
Through
design,
possible
change
phosphor
angle,
overcoming
limitations
total
internal
reflection
enabling
maximal
yellow
from
ceramic
surface.
This
enhanced
24.4%
compared
composite
phosphor.
addition,
conduction
area
between
layer
have
been
effectively
enhanced.
Ultimately,
high-power
density
47.6
W/mm2,
all
ceramics
showed
no
luminous
saturation
threshold.
A
high-brightness
with
flux
651
lm,
144
lm/W,
correlated
temperature
6419
K
operating
as
84.9
°C
obtained.
These
results
suggest
that
structural
Al2O3/YAG:Ce
promising
candidate
mode
