Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3575 - 3575
Published: Dec. 21, 2024
Smart
fibers
with
tunable
luminescence
properties,
as
a
new
form
of
visual
output,
present
the
potential
to
revolutionize
personal
living
habits
in
future
and
are
receiving
more
attention.
However,
huge
challenge
smart
wearable
materials
is
their
stretching
capability
for
seamless
integration
human
body.
Herein,
stretchable
thermochromic
fluorescent
prepared
based
on
self-crystallinity
phase
change,
using
elastic
polyurethane
(PU)
fiber
matrix,
meet
dynamic
requirements
The
switching
fluorescence-emitting
characteristic
derived
from
reversible
conversion
dispersion/aggregation
state
fluorophore
coumarin
6
(C6)
quencher
methylene
blue
(MB)
phase-change
material
hexadecanoic
acid
(HcA)
during
heating/cooling
processes.
Considering
important
role
materials,
dye
encapsuled
solid
via
piercing–solidifying
method
avoid
dissolution
HcA
by
organic
solvent
PU
spinning
solution
maintain
excellent
behavior
fibers.
obtained
wet
exhibit
good
emission
contrast
reversibility,
well
high
elasticity
800%
elongation.
This
work
presents
strategy
constructing
human–machine
interaction
communications.
Chemistry of Materials,
Journal Year:
2024,
Volume and Issue:
36(8), P. 3851 - 3860
Published: April 13, 2024
Lead-free
halide
double
perovskites
(DPs)
have
attracted
extensive
attention
due
to
their
excellent
optoelectronic
properties,
but
the
synthesis
of
one-dimensional
(1D)
organic–inorganic
hybrid
DPs
with
high
photoluminescence
quantum
yield
(PLQY)
is
still
challenging
date.
Herein,
we
successfully
prepared
high-quality
1D
(TMA)2NaInCl6
(TMA
tetramethylammonium)
by
two
synthetic
routes
and
near-unity
PLQY
was
achieved
incorporating
Sb3+
ions
into
(TMA)2NaInCl6,
which
much
higher
than
that
3D
all-inorganic
DPs.
Temperature-dependent
PL
spectroscopic
characterizations
indicated
strong
electron–phonon
coupling
existed
in
excited
state
doped
system.
Density
functional
theory
calculations
revealed
incorporation
modulated
distribution
density
states
24-fold
enhancing
transition
probability
thereby
significantly
improved
PLQY.
Our
study
presented
new
physical
insights
for
in-depth
understanding
photophysical
mechanisms
should
be
very
important
regulating
optical
performance
perovskite
materials.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(31)
Published: June 14, 2024
Abstract
Lead‐free
halide
perovskites
possess
excellent
photoelectric
properties,
making
them
widely
used
in
the
fields.
Herein,
lead‐free
double
perovskite
crystals
(PCs)
doped
with
manganese
(Cs
2
NaInCl
6
:Mn
2+
)
are
successfully
prepared
by
more
energy‐efficient
crystallization
method.
The
emit
bright
orange‐red
light
under
ultraviolet
(UV)
lamp,
showing
unique
optical
properties.
They
have
highest
photoluminescence
quantum
yield
of
42.91%.
white
light‐emitting
diodes
(LEDs)
fabricated
using
these
crystals,
which
show
a
color
rendering
index
92
and
external
efficiency
(EQE)
as
high
16.3%.
Furtherly,
perovskite‐modified
fiber
paper
made
aramid
chopped
fibers
(ACFs)
polyphenylene
sulfide
(PPS)
exhibited
fluorescent
properties
different
conditions.
This
combines
composite
technology
PPS
filter
bags,
environmental
protection,
for
first
time
demonstrates
functional
bags
characteristics.
bag
provides
an
idea
automatic
detection
industrial
filtration.
Meanwhile,
after
being
exposed
to
waste
gas
60
h,
can
maintain
superior
fluorescence
performance.
In
this
study,
synthesized
efficient
method
preparing
high‐performance
LEDs
high‐stability
fibers.
Concurrently,
application
protection
is
expanded.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 25, 2024
In
this
review,
the
preparation
methods
of
LFMHPs
are
analyzed
and
discussed.
The
strategies
for
improving
performance
white
LEDs
based
on
also
demonstrated.
Finally,
their
future
challenges
perspectives
explored.
