Optica,
Journal Year:
2023,
Volume and Issue:
10(11), P. 1559 - 1559
Published: Oct. 24, 2023
A
color
wheel
(CW)
is
one
of
the
most
essential
devices
for
contemporary
projection
displays
because
it
provides
initialization
definition
and
determines
performance
whole
system.
However,
conventional
wheels
remain
limited
in
terms
efficiency
light-absorbing
material
time
sequential
generation.
Quantum
dots,
found
1981
known
as
a
kind
quasi-zero-dimensional
nanomaterial,
exhibit
excellent
features
due
to
their
quantum
confinement
effect,
which
won
2023
Nobel
Prize
Chemistry.
Inspired
by
this,
paper
systematically
demonstrates
quantum-dot
(QD-CW)
device
through
theoretical
derivation,
simulation
analysis,
experimental
verification.
The
model
define
duty
circle
ratio
presented
QD-CW
verified
Monte
Carlo
ray-tracing
simulation.
In
verification,
realized
multiple
rounds
photolithography
process,
then
assembled
into
blue
laser
pumped
prototype
full-color
display.
chromaticity
coordinates
white-balanced
output
are
finally
located
at
(0.317,0.338),
matches
well
with
standard
D65
source.
gamut
area
reaches
116.6%
NTSC,
average
light
conversion
(LCE)
prepared
57.0%.
proposed
has
∼40%
higher
1.2×
LCE
than
CW
device.
These
exciting
findings
show
groundbreaking
approach
generation
displays,
expected
shed
on
other
high-quality
display
applications.
Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: April 17, 2023
The
significance
of
nanoparticles
(NPs)
in
technological
advancements
is
due
to
their
adaptable
characteristics
and
enhanced
performance
over
parent
material.
They
are
frequently
synthesized
by
reducing
metal
ions
into
uncharged
using
hazardous
agents.
However,
there
have
been
several
initiatives
recent
years
create
green
technology
that
uses
natural
resources
instead
dangerous
chemicals
produce
nanoparticles.
In
synthesis,
biological
methods
used
for
the
synthesis
NPs
because
eco-friendly,
clean,
safe,
cost-effective,
uncomplicated,
highly
productive.
Numerous
organisms,
such
as
bacteria,
actinomycetes,
fungi,
algae,
yeast,
plants,
NPs.
Additionally,
this
paper
will
discuss
nanoparticles,
including
types,
traits,
methods,
applications,
prospects.
Advances in Optics and Photonics,
Journal Year:
2022,
Volume and Issue:
14(4), P. 783 - 783
Published: Sept. 15, 2022
Augmented
reality
(AR)
and
virtual
(VR)
have
the
potential
to
revolutionize
interface
between
our
physical
digital
worlds.
Recent
advances
in
processing,
data
transmission,
optics,
display
technologies
offer
new
opportunities
for
ubiquitous
AR/VR
applications.
The
foundation
of
this
revolution
is
based
on
systems
with
high
image
fidelity,
compact
formfactor,
optical
efficiency.
In
review
paper,
we
start
by
analyzing
human
vision
system
architectures
then
manifest
main
requirements
light
engines.
Next,
working
principles
six
engines,
namely
transmissive
liquid
crystal
display,
reflective
liquid-crystal-on-silicon
microdisplay,
processing
micro
light-emitting-diode
organic
laser
beam
scanning
displays,
are
introduced.
According
characteristics
these
perspectives
challenges
each
technology
analyzed
through
five
performance
metrics,
resolution
density,
response
time,
efficiency/brightness/lifetime,
dynamic
range,
compactness.
Finally,
solutions
overcoming
discussed.
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(29), P. 13302 - 13310
Published: July 14, 2022
Bright-red
light-emitting
diodes
(LEDs)
with
a
narrow
emission
line
width
that
emit
between
620
and
635
nm
are
needed
to
meet
the
latest
industry
color
standard
for
wide
gamut
displays,
Rec.
2020.
CsPbI3
perovskite
quantum
dots
(QDs)
one
of
few
known
materials
ideally
suited
these
criteria.
Unfortunately,
QDs
prone
transform
into
non-red-emitting
phase
subject
further
degradation
mechanisms
when
their
luminescence
wavelength
is
tuned
match
2020
standard.
Here,
we
show
zwitterionic
lecithin
ligands
can
stabilize
long
periods
in
air
at
least
6
months
compared
days
control
samples.
LEDs
fabricated
our
ultrastable
lecithin-capped
exhibit
an
external
efficiency
(EQE)
7.1%
electroluminescence
centered
634
nm─a
record
all-inorganic
nanocrystals
red.
Our
devices
achieve
maximum
luminance
1391
cd/m2
7.5
V,
operational
half-life
33
min
(T50)
200
cd/m2─a
10-fold
enhancement
Density
functional
theory
results
suggest
surface
strain
capped
conventional
ligands,
oleic
acid
oleylamine,
contributes
instability
structural
phase.
On
other
hand,
binding
induces
virtually
no
shows
stronger
tendency
surface.
study
highlights
tremendous
potential
stabilizing
particle
size
various
optoelectronic
applications.
Advanced Optical Materials,
Journal Year:
2023,
Volume and Issue:
12(7)
Published: May 11, 2023
Abstract
The
field
of
next‐generation
microdisplays
is
flourishing.
Relevant
display
technologies,
such
as
mini‐light
emission
diodes
(mini‐LEDs),
micro‐organic
light
(micro‐OLEDs),
and
micro‐light
(micro‐LEDs)
are
thus
in
the
urgent
stage
development.
From
this
perspective,
comprehensive
systematical
analyzes
conducted
for
aforesaid
microdisplay
configurations.
A
holistic
view
technologies
developed
with
corresponding
performance
metrics,
providing
a
path
miscellaneous
scenarios.
Among
these
scenarios,
applications
augmented
reality
(AR),
virtual
(VR),
wearable
devices,
head‐up
displays
(HUD)
currently
attracting
considerable
attention
deeper
human‐digital
interactions.
However,
there
multiplicity
obstacles
challenges
hindering
Nevertheless,
recent
advances
hold
tremendous
promise
paradigms
applications,
taking
leap
forward
microdisplays.
This
review
presents
perspectives,
relevant
materials,
technology
landscape
ongoing
offering
guidance
on
design
advanced
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(12), P. 7890 - 7952
Published: June 13, 2023
Solution-processed
semiconductors
are
in
demand
for
present
and
next-generation
optoelectronic
technologies
ranging
from
displays
to
quantum
light
sources
because
of
their
scalability
ease
integration
into
devices
with
diverse
form
factors.
One
the
central
requirements
used
these
applications
is
a
narrow
photoluminescence
(PL)
line
width.
Narrow
emission
widths
needed
ensure
both
color
single-photon
purity,
raising
question
what
design
rules
obtain
made
solution.
In
this
review,
we
first
examine
colloidal
emitters
variety
including
light-emitting
diodes,
photodetectors,
lasers,
information
science.
Next,
will
delve
spectral
broadening,
"homogeneous"
broadening
dynamical
mechanisms
single-particle
spectra,
heterogeneous
static
structural
differences
ensemble
diffusion.
Then,
compare
current
state
art
terms
width
materials
II–VI
dots
(QDs)
nanoplatelets,
III–V
QDs,
alloyed
metal–halide
perovskites
nanocrystals
2D
structures,
doped
nanocrystals,
and,
finally,
as
point
comparison,
organic
molecules.
We
end
some
conclusions
connections,
an
outline
promising
paths
forward.
Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(6), P. 965 - 995
Published: Jan. 1, 2024
Abstract
Nanoparticles
below
100
nm
have
sparked
immense
interest
for
their
unique
physical
and
chemical
properties,
separate
from
bulk
materials.
These
particles
versatile
applications
in
electronics,
magnetism,
optoelectronics,
electricity.
This
article
overviews
ongoing
research
on
nanoparticle-based
electronic
devices
explores
anticipated
advancements.
In
nanoparticles
are
essential
components
enhanced
performance
functionality,
promising
breakthroughs
computing,
telecommunications,
sensing.
work
the
groundbreaking
potential
of
metal-based
nanoparticles,
such
as
ZnO
NPs,
Cu
Al
Fe
various
device
applications.
It
investigates
different
synthetic
methods,
including
bottom–up,
sol–gel,
co-precipitation,
hydrothermal,
CVD,
green/biological
method
to
enhance
effectiveness
these
nanoparticles.
The
study
briefly
examines
efficiency
applications,
it
extends
areas
data
storage,
sensors,
protective
coatings,
energy
industries,
water
treatment,
fertilizers,
defense.
Challenges
include
precise
control
nanoparticle
shape
arrangement,
which
researchers
address
design
new
materials
with
controlled
properties.
present
discusses
emerging
emphasizing
properties
compared
Ongoing
full
potential,
while
manipulation
techniques
open
doors
novel
progress
made
underscores
possibilities
electronics.
Engineering Science & Technology Journal,
Journal Year:
2024,
Volume and Issue:
5(3), P. 1097 - 1111
Published: March 28, 2024
Energy-efficient
lighting
technologies
have
undergone
significant
advancements
in
recent
years,
driving
a
transformation
the
industry.
This
comprehensive
review
explores
various
energy-efficient
and
trends,
aiming
to
provide
insights
into
their
applications,
benefits,
future
prospects.
The
begins
with
an
overview
of
technologies,
including
light-emitting
diodes
(LEDs),
compact
fluorescent
lamps
(CFLs),
advanced
controls.
It
examines
key
characteristics
advantages
each
technology,
highlighting
energy-saving
potential
environmental
benefits.
Next,
discusses
trends
shaping
market,
such
as
transition
solid-state
lighting,
emergence
smart
systems,
growing
emphasis
on
human-centric
design.
how
these
are
innovation
transforming
way
is
used
managed
settings.
also
benefits
reduced
energy
consumption,
lower
maintenance
costs,
enhanced
quality.
contribute
conservation,
sustainability,
improved
experiences
for
users.
Furthermore,
challenges
barriers
widespread
adoption
high
upfront
technical
complexity,
need
regulatory
support.
strategies
overcome
accelerate
solutions.
Finally,
provides
outlook
emerging
innovative
areas
further
research
development.
emphasizes
importance
continued
collaboration
evolution
towards
more
sustainable
efficient
future.
In
summary,
this
offers
detailed
analysis
providing
valuable
researchers,
policymakers,
industry
stakeholders
seeking
understand
leverage
future.
Keywords:
Energy-Efficient,
Lighting,
Technologies,
Trend,
Review.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(5), P. 2352 - 2362
Published: Jan. 24, 2024
The
exploration
of
smart
sensors
is
great
significance
for
the
selectivity,
sensitivity,
and
ability
to
show
low
detection
limit
target
analyte.
Here,
we
have
used
linker
H2L
(5-((anthracen-9-ylmethyl)amino)isophthalic
acid)
construction
{[Cd(L)(DMF)(H2O)2]·H2O}n
(1)
which
in
order
with
chromophore
anthracene
moiety
free
−NH
functionality
as
a
guest
interaction
site.
This
framework
showed
luminescence
recovery
"turn-on"
Al3+
ion
an
aqueous
solution.
An
exhaustive
mechanism
study
disclosed
that
Lewis
acid–base-type
between
–NH
revealed
absorbance
caused
enhancement
sensing
event.
Besides
event,
"turn-off"
phenomenon
1
also
noticed
when
it
detects
hazardous
oxo-anions
(MnO4–
CrO42–)
values
17.08
19.91
ppb,
respectively.
these
diverse
analytes
are
very
fast
(10
s)
they
can
be
recognized
through
colorimetric
response.
mechanisms
established
by
photoinduced
electron
transfer,
Forster
resonance
energy
inert
filter
effect
along
theoretical
investigation.
Furthermore,
application
versatile
podium,
MOF
gel
composite,
1@AA
(AA
=
Agar–Agar),
was
developed
from
AA.
Interestingly,
under
UV
light.
Therefore,
sensor
behaves
sensory
material
recognition
above
simultaneous
effect.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 7, 2024
Abstract
Even
though
lead
halide
perovskite
has
been
demonstrated
as
a
promising
optoelectronic
material
for
next-generation
display
applications,
achieving
high-efficiency
and
stable
pure-red
(620~635
nm)
emission
to
cover
the
full
visible
wavelength
is
still
challenging.
Here,
we
report
light-emitting
diodes
emitting
light
at
628
nm
high
external
quantum
efficiencies
of
26.04%.
The
performance
attributed
successful
synthesizing
strongly
confined
CsPbI
3
dots
with
good
stability.
strong
binding
2-naphthalene
sulfonic
acid
ligands
are
introduced
after
nucleation
suppress
Ostwald
ripening,
meanwhile,
ammonium
hexafluorophosphate
exchanges
long
chain
avoids
regrowth
by
during
purification
process.
Both
enhance
charge
transport
ability
dots.
state-of-the-art
synthesis
pure
red
achieves
94%
efficiency,
which
can
maintain
over
80%
50
days,
providing
method
