Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Abstract
Zero‐dimensional
(0D)
structured
lead‐free
metal
halides
have
recently
attracted
widespread
attention
due
to
their
high
photoluminescence
quantum
yield
(PLQY)
and
negligible
self‐absorption,
showing
enormous
potential
as
optical
waveguides
towards
miniaturized
photonic
devices.
However,
the
great
difficulty
in
growth
of
rod‐like
nano/micro‐sized
morphologies,
such
applications
been
less
explored.
Herein,
a
new‐type
emissive
organic–inorganic
manganese
(II)
halide
crystal
(TPS
2
MnCl
4
,
TPS=C
18
H
15
S,
triphenylsulfonium)
form
microrods
is
synthesized
via
facile
chloride
ion
(Cl
−
)
induced
oriented
method.
Due
combination
attractive
features
PLQY
86
%,
self‐absorption
smooth
surface,
TPS
are
well
suited
for
use
waveguide
with
an
ultra‐low
loss
coefficient
1.20
⋅
10
−4
dB
μm
−1
superior
that
most
hybrids,
organic
materials,
polymers
nanoclusters
best
our
knowledge.
Importantly,
can
further
work
dual‐mode
waveguides,
combining
active
passive
light
transmission
functionalities
one
single
crystal.
In
addition,
also
display
remarkable
performance
lighting
anti‐counterfeiting
distinct
properties
commendable
stability.
Micromachines,
Год журнала:
2023,
Номер
14(11), С. 2082 - 2082
Опубликована: Ноя. 10, 2023
In
the
last
few
years,
manufacturing
of
microelectromechanical
systems
(MEMS)
by
means
innovative
tridimensional
and
bidimensional
printing
technologies
has
significantly
catalyzed
attention
researchers.
Inkjet
material
deposition,
in
particular,
can
become
a
key
enabling
technology
for
production
polymer-based
inertial
sensors
characterized
low
cost,
high
scalability
superior
sensitivity.
this
paper,
fully
inkjet-printed
polymeric
accelerometer
is
proposed,
its
steps
are
described.
The
challenges
connected
with
inkjet
deposition
SU-8
as
structural
identified
addressed,
resulting
functional
spring-mass
sensor.
A
step-crosslinking
process
allows
optimization
final
shape
device
limits
defects
typical
printing.
from
morphological
point
view,
functionality
assessed
performing
optical
readout.
acceleration
range
optimized
0–0.7
g,
resolution
2
×
10−3
g
sensitivity
6745
nm/g.
general,
work
demonstrates
feasibility
via
printing,
these
characteristic
parameters
demonstrate
their
potential
applicability
broad
uses
requiring
highly
accurate
measurements
over
small
displacements.
Advanced Photonics Research,
Год журнала:
2024,
Номер
5(11)
Опубликована: Май 23, 2024
Halide
perovskites
have
attracted
increasingly
attention
as
“rising
star”
materials
for
advanced
photonics
and
optoelectronics.
Construction
micro‐/nano‐architecture
of
will
provide
a
good
platform
to
investigate
optimize
the
fundamental
photon–matter–structure
interaction.
It
also
improve
properties,
pixelate
miniaturize
integration
versatile
optoelectronic
devices
emerging
applications.
In
this
regard,
femtosecond
(fs)
laser
processing
technique
has
been
widely
used
fabricate
with
high
spatial
resolution,
limitless
flexibility,
unrestricted
three‐dimensional
structuring
capability
at
large‐scale,
low‐cost
way.
Concurrently,
it
is
reported
that
refractive
index,
low
thermal
conductivity
ultrafast
thermalization
rate
are
beneficial
by
fs
into
without
degradation
their
properties.
This
review
systematically
summarizes
interaction
perovskites,
including
mechanisms,
phenomena.
Besides
traditional
optoelectronics
applications
halide
novel
properties
from
optical
structures
generated
discussed.
The
challenges
outlooks
processed
perovskite
highlighted.
promote
relevant
research
on
light–matter–structure
interaction,
facilitate
micro‐/nano‐architecture‐based
devices.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(17), С. 20034 - 20045
Опубликована: Авг. 27, 2024
Perovskite
quantum
dots
(PQDs)
are
known
for
their
exceptional
tunable
color
emission
and
narrow
spectral
width,
distinguishing
them
from
light
emitters.
However,
the
stability
of
CsPbBr3
PQDs
against
environmental
factors
remains
a
major
challenge.
This
work
aims
to
address
issues
by
synthesizing
an
inorganic
zinc
sulfide
(ZnS)
shell
using
single-molecular
precursors
at
low
temperatures
in
single-step
synthesis
approach.
The
synthesized
ZnS
provides
remarkable
factors,
such
as
water,
light,
heat.
CsPbBr3/ZnS
core/shell
exhibited
full
width
half-maximum
16.5
nm,
improved
yield
97%,
double
average
fluorescence
lifetime,
halide
exchange.
shelling
is
confirmed
high-resolution
transmission
electron
microscopy
X-ray
photoelectron
spectroscopy
analysis.
We
achieved
dispersion
our
green
solvent
stabilizing
with
mono-2-(methacryloyloxy)ethyl
succinate
solution
phase-ligand
displacement
process.
Our
produce
patterning
through
thiol–ene
reaction
direct
These
findings
create
gateway
use
stable
optoelectronic
devices
like
displays
perovskite
light-emitting
diodes.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
Metal
halide
perovskites
are
widely
employed
in
photodetectors
(PDs)
due
to
their
exceptional
photoelectric
conversion
ability.
However,
the
high
dark
current
induced
by
defect
states
during
perovskite
crystallization
has
not
been
well
resolved,
which
enormously
deteriorates
sensitivity
of
PD.
Herein,
a
vacuum‐assisted
template‐confined
growth
method
is
proposed
successfully
fabricate
high‐quality
single
crystal
microwire
arrays
with
low
and
superior
characteristics.
Experimentally
theoretically,
it
proved
that
fabricated
PDs
exhibit
performance
commendable
responsivity
0.49
A
W
−1
detectivity
surpassing
1.21
×
10
13
Jones,
profits
from
ultralow
≈200
fA
at
5
V
bias.
Particularly,
PD
behaves
characteristics
flexible
robust
stability
high‐definition
image
recognition.
This
work
provides
universal
strategy
for
optimizing
quality
constructing
high‐performance
optoelectronic
devices
many
scenarios.
Materials Advances,
Год журнала:
2024,
Номер
5(6), С. 2536 - 2544
Опубликована: Янв. 1, 2024
This
study
presents
a
perovskite-integrated
metasurface
to
realize
exceptional
chirality
with
maximum
anisotropy
of
∼1.55
and
the
CD
∼42
934
(mdeg)
at
broad
visible
regime
potential
applications
in
chiral
photonics
optoelectronics.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 5, 2024
Abstract
The
state‐of‐the‐art
mixed‐halide
perovskite
(MHP)
quantum
dots
(QDs)
open
up
promising
applications
in
photovoltaic
and
optoelectronic
communities,
yet
are
limited
by
huge
halide
segregation.
In
contrast
to
the
previous
A‐site
alloy
method,
customizing
other
octahedral
units
for
replacing
fundamental
unit
of
[PbX
6
]
4−
(X
=
Cl,
Br,
or
I),
so‐called
B‐site
alloying
strategy,
is
expected
inhibit
segregation
fully.
Here,
a
octahedron
reconstruction
engineering
reported
fabricate
MHP
QDs
with
near‐zero
due
their
strongly
confined
excitons.
This
unprecedented
regime
obtained
at
water–oil
interfacial
reaction
system
using
amino‐silane
ion
exchange
accelerator
transition
metal
hydroxy‐halides
salts,
introducing
abundant
[MX
(M
Zn,
Ni,
Co,
Mn,
Cu)
block
finally
fabricating
metal‐alloyed
MAPbX
3
QDs.
Photo‐induced
excitons
dielectric‐confined
Zn‐alloyed
hardly
thermally
dissociated
transferred,
as
featured
ultra‐high
exciton
binding
energy
(E
b
),
fast
fluorescence
lifetimes
(τ
avg
near
100%
photoluminescence
yield
(PLQY).
fabricated
MAPb
1‐x
Zn
x
X
reduced
Pb
content
over
40%
exhibit
segregation,
marking
emergence
practical
solution
detrimental
problem,
which
paves
wave
emerging
solar
cells
lighting
display
applications.
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Abstract
Zero‐dimensional
(0D)
structured
lead‐free
metal
halides
have
recently
attracted
widespread
attention
due
to
their
high
photoluminescence
quantum
yield
(PLQY)
and
negligible
self‐absorption,
showing
enormous
potential
as
optical
waveguides
towards
miniaturized
photonic
devices.
However,
the
great
difficulty
in
growth
of
rod‐like
nano/micro‐sized
morphologies,
such
applications
been
less
explored.
Herein,
a
new‐type
emissive
organic–inorganic
manganese
(II)
halide
crystal
(TPS
2
MnCl
4
,
TPS=C
18
H
15
S,
triphenylsulfonium)
form
microrods
is
synthesized
via
facile
chloride
ion
(Cl
−
)
induced
oriented
method.
Due
combination
attractive
features
PLQY
86
%,
self‐absorption
smooth
surface,
TPS
are
well
suited
for
use
waveguide
with
an
ultra‐low
loss
coefficient
1.20
⋅
10
−4
dB
μm
−1
superior
that
most
hybrids,
organic
materials,
polymers
nanoclusters
best
our
knowledge.
Importantly,
can
further
work
dual‐mode
waveguides,
combining
active
passive
light
transmission
functionalities
one
single
crystal.
In
addition,
also
display
remarkable
performance
lighting
anti‐counterfeiting
distinct
properties
commendable
stability.
