Open Ceramics,
Год журнала:
2024,
Номер
19, С. 100642 - 100642
Опубликована: Июль 14, 2024
Filling
the
cyan
gap
is
key
element
in
achieving
full-spectrum
illumination
using
violet
chip
to
excite
red,
green
and
blue
phosphors.
However,
designing
phosphors
suitable
for
light
excitation
with
excellent
performance
remains
challenging.
Herein,
a
novel
phosphor
Ba9Lu2-x-nSi6O24:xCe
(n-BLS:Ce)
multiple
crystal
sites
of
Ba2+
Lu3+
Ce3+
ions
was
designed
prepared
via
crystal-site
engineering.
The
at
emit
ultraviolet
385
nm
under
325
excitation,
485
395
excitation.
favorable
occupation
could
be
realized
by
introducing
Lu
vacancies.
Significantly,
emission
intensity
Ba9Lu1.4Si6O24:0.3Ce
(n0.3-BLS:Ce)
vacancies
effectively
improved
47
%
compared
Ba9Lu1.7Si6O24:0.3Ce
(n0-BLS:Ce)
without
And
150
°C
retains
96
that
room
temperature.
color
rendering
index
increases
from
87.9
94.5
after
supplementing
w-LEDs
devices
combining
commercial
green,
chip,
indicating
its
potential
practical
application
lighting.
This
work
also
provides
new
ideas
design
development
efficient
high-quality
light-emitting
materials.
Processes,
Год журнала:
2025,
Номер
13(1), С. 232 - 232
Опубликована: Янв. 15, 2025
Dual-ion
batteries
(DIBs)
were
demonstrated
as
a
promising
technology
for
large-scale
energy
storage
due
to
their
low
cost,
recyclability,
and
impressively
fast
charge
capability.
Graphite
commonly
used
cathode
material
in
DIBs,
however,
suffers
from
poor
compatibility
with
commercial
Li-ion
electrolytes
graphite
anodes,
making
it
difficult
directly
utilize
the
well-established
infrastructure
batteries.
Herein,
we
report
small
aromatic
amine
molecule
4,4′,4″-tris(diphenylamino)triphenylamine
(N4)
functioning
compatible
anion
host
EC-containing
electrolyte.
With
an
average
discharge
voltage
of
3.6
V
(vs.
Li+/Li),
N4
electrode
delivers
reversible
specific
capacity
108
mAh/g,
which
is
much
higher
than
29
mAh/g
at
same
condition.
The
high
retention
91.3%
was
achieved
after
500
cycles
1
A/g.
also
exhibited
good
rate
performance.
Via
different
characterization
techniques
like
Fourier
transform
infrared
spectroscopy
X-ray
photoelectron
spectroscopy,
mechanism
revealed
conversion
between
quaternary
cations,
accompanied
by
PF6−
(de-)insertion.
As
consequences,
assembled
N4||graphite
DIB
w
showed
90
within
1.5–4.1
V,
cycling
stability
98%
40
cycles.
Decent
performance
well.
This
work
provides
new
insights
into
designing
affordable
DIBs.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(6), С. 1703 - 1709
Опубликована: Янв. 1, 2024
A
defective
BiIn
bimetallic
catalyst
derived
from
a
P-doped
pre-catalyst
is
developed,
which
enables
CO
2
conversion
to
HCOOH
with
high
activity
and
selectivity.
ACS Nano,
Год журнала:
2024,
Номер
18(31), С. 20624 - 20635
Опубликована: Июль 26, 2024
Ru-based
catalysts
have
emerged
as
promising
alternatives
to
HgCl2
in
vinyl
chloride
monomer
(VCM)
production
by
acetylene
hydrochlorination.
However,
poor
C2H2
activation
and
the
generation
of
key
intermediates
(*CH2═CH)
posed
grand
challenges
for
enhanced
catalytic
performances.
Herein,
we
synthesized
a
Ni-intercalated
Ru
heterostructure
using
lattice-strain
engineering
strategy,
resulting
desired
electronic
chemical
environments.
The
collaboration
Ni
splits
adsorption
centers
HCl
weakening
strong
steric
hindrance,
it
also
promotes
linear
C≡C
configurations.
well-controlled
lattice
strain
enables
d-d
hybridization
interactions
between
Ru,
an
upshift
d-band
center
from
-3.72
eV
(for
Ru/C)
-3.49
delocalization.
This
optimized
local
Ni-Ru/C
structure
thus
enhances
*H
while
energy
barrier
generating
*CH2═CH
intermediates.
Furthermore,
VCM
formation
was
simultaneously
reduced.
Accordingly,
heterostructures
achieve
improved
performance
pilot-scale
trials,
with
conversion
>99.2%
stability
over
500
h.
These
performances
significantly
surpass
most
reported
moieties
traditional
Hg
catalysts,
offering
avenue
industrial
applications.
Open Ceramics,
Год журнала:
2024,
Номер
19, С. 100642 - 100642
Опубликована: Июль 14, 2024
Filling
the
cyan
gap
is
key
element
in
achieving
full-spectrum
illumination
using
violet
chip
to
excite
red,
green
and
blue
phosphors.
However,
designing
phosphors
suitable
for
light
excitation
with
excellent
performance
remains
challenging.
Herein,
a
novel
phosphor
Ba9Lu2-x-nSi6O24:xCe
(n-BLS:Ce)
multiple
crystal
sites
of
Ba2+
Lu3+
Ce3+
ions
was
designed
prepared
via
crystal-site
engineering.
The
at
emit
ultraviolet
385
nm
under
325
excitation,
485
395
excitation.
favorable
occupation
could
be
realized
by
introducing
Lu
vacancies.
Significantly,
emission
intensity
Ba9Lu1.4Si6O24:0.3Ce
(n0.3-BLS:Ce)
vacancies
effectively
improved
47
%
compared
Ba9Lu1.7Si6O24:0.3Ce
(n0-BLS:Ce)
without
And
150
°C
retains
96
that
room
temperature.
color
rendering
index
increases
from
87.9
94.5
after
supplementing
w-LEDs
devices
combining
commercial
green,
chip,
indicating
its
potential
practical
application
lighting.
This
work
also
provides
new
ideas
design
development
efficient
high-quality
light-emitting
materials.
