Tuning Circularly Polarized Afterglow Color via Modulation of Energy and Chirality Transfer in Co‐Doped Films
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 21, 2024
Abstract
Circularly
polarized
luminescence
(CPL)
materials
offer
exciting
potential
due
to
their
unique
light
properties.
However,
controlling
the
color
of
afterglow
emission,
a
key
feature
for
many
applications
remains
challenge.
Here,
co‐doping
strategy
is
presented
precise
control
multicolor
CPL
in
films.
This
approach
utilizes
chiral
naphthylphosphoric
acid
derivatives
as
energy
and
chirality
transfer
donors,
commonly
used
fluorescent
dye
rhodamine
B
(RB)
PVA
are
selected
acceptor
polymeric
matrix,
respectively.
Remarkably,
co‐doped
films
exhibit
ultra‐long
green
circular
polarization
phosphorescence
lasting
several
seconds
with
high
efficiency
(14.23%),
lifetime
(1025.5
ms),
dissymmetry
factor
(8.44
×
10
−3
).
Crucially,
by
adjusting
content,
it
can
precisely
tune
phosphorescence‐to‐fluorescence
ratio
achieve
afterglow.
stems
from
combination
Förster
resonance
transfer,
color‐mixing
effects.
Furthermore,
this
significantly
improves
asymmetry
an
order
magnitude
(5.17
−2
It
anticipated
that
straightforward
regulating
will
provide
invaluable
insights
future
design
highly
efficient
innovative
materials.
Язык: Английский
Biplane Ion‐Pairing Induced Supramolecular Assembly for High‐Performance Uranium Detection
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Abstract
It
is
still
challenging
to
directly
recognize
the
anionic
species
[UO
2
(CO
3
)
]
4−
,
dominant
in
environment
(82%‐93%),
using
current
optical
probes
because
of
adverse
effects
its
thick
hydration
shell
on
binding
interactions.
In
this
study,
a
water‐soluble
Pt(II)
methylated
terpyridine
complex
([Pt(CH
‐tpy)NCO]
+
supramolecular
probe
designed
target
by
new
strategy
overlapping
arrangement.
The
response
demonstrates
excellent
selectivity
among
≈30
investigated
interfering
substances,
along
with
rapid
(≈15
s),
high
sensitivity
(64.1
n
m
and
dual‐signals.
confirmed
both
experimentally
theoretically
that
superior
detection
performance
attributed
formation
unique
structure
featuring
biplane‐like
building
block,
bicolumnar
stacking
water‐bridged
networks,
via
overlap
shells
aligned
boost
superentropic
driving
force,
distinguishable
dual‐signals
arises
from
emergence
four
types
Pt‐Pt
interactions,
generating
low‐energy
metal‐to‐metal
charge
transfer
adsorption/emission.
addition,
[Pt(CH
‐based
hydrogel
platform
constructed
for
detecting
cationic
uranium,
limit
14.89
fg.
This
work
unlocks
not
only
way
detect
but
also
idea
sensing
ions
extreme
layers.
Язык: Английский
Recent advances in circularly polarized luminescent materials based on phosphorescent platinum(II) complexes
Chemistry Letters,
Год журнала:
2025,
Номер
54(4)
Опубликована: Март 26, 2025
Abstract
With
recent
advances
in
circularly
polarized
luminescent
materials,
a
variety
of
molecular
designs
have
been
developed
to
achieve
efficient
energy
conversion.
This
review
highlights
approaches
materials
based
on
phosphorescent
square-planar
platinum(II)
complexes
with
chiral
or
achiral
organic
ligands.
Besides,
the
applications
such
light-emitting
diodes
are
also
summarized.
We
expect
that
this
will
contribute
gain
more
interest
field
emitters
and
promote
their
future
applications.
Язык: Английский
High‐Performance Circularly Polarized Phosphorescence by Confining Isolated Chromophores with Chiral Counterions
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 14, 2024
Organic
room-temperature
phosphorescence
(RTP)
featuring
circularly
polarized
luminescence
(CPL)
is
highly
valuable
in
chiroptoelectronics,
but
the
trade-off
issue
between
efficiency
(Φ)
and
dissymmetry
factor
(g
Язык: Английский
Circularly Polarized Phosphorescence Properties of Binuclear Cyclometalated Platinum(II) Complexes Bearing Axially Chiral Schiff-Base Ligands
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
The
synthesis,
structure,
and
circularly
polarized
phosphorescence
(CPP)
properties
of
axially
chiral
cyclometalated
binuclear
platinum(II)
complexes
were
described.
A
series
optically
pure
synthesized
in
five
steps
from
commercially
available
(
Язык: Английский
Visible-light Regulated Luminescent Switch Based on Spiropyran-derived Pt(II) Complex for Advanced Anti-counterfeiting Materials
Chemical Communications,
Год журнала:
2024,
Номер
60(70), С. 9360 - 9363
Опубликована: Янв. 1, 2024
A
photo-controlled
optical
molecular
switch
has
been
achieved.
Apparent
and
emissive
color
changes
under
visible
light
irradiation
temperature
stimulation
have
achieved
used
to
develop
anti-counterfeiting
materials.
Язык: Английский
Mechano-responsive fluorescent AIE enantiomers with high contrast properties
Journal of Luminescence,
Год журнала:
2024,
Номер
unknown, С. 120963 - 120963
Опубликована: Окт. 1, 2024
Язык: Английский
Circularly polarized luminescence in chiral nematic liquid crystals based on photochromic molecules
Chemical Synthesis,
Год журнала:
2024,
Номер
4(4)
Опубликована: Ноя. 19, 2024
Circularly
polarized
luminescence
(CPL)
has
emerged
as
a
focal
point
in
luminescent
materials
research,
reflecting
growing
field
of
study.
Responding
to
the
demand
for
practical
applications
across
diverse
sectors,
there
is
critical
need
CPL
with
high
dissymmetry
factors
(g
lum)
and
adjustable
optical
performance,
driving
development
novel
methodological
approaches.
Chiral
nematic
liquid
crystals
(N*-LCs)
have
attracted
significant
attention
promising
candidates
producing
high-performance
due
their
ability
exhibit
enhanced
g
lum
modulate
circularly
light.
This
review
comprehensively
presents
stimuli-responsive
properties,
utilizing
N*-LCs
chiral
templates
doped
various
photochromic
compounds,
particularly
azobenzene,
spiropyran
(SP),
diarylethene
overcrowded
alkene.
By
elucidating
dynamic
interplay
between
molecular
structure,
supramolecular
organization,
response,
it
offers
profound
understanding
behaviors.
Additionally,
also
explores
multifaceted
materials,
spanning
advanced
display
technologies,
data
storage,
beyond.
examining
avenues
leveraging
unique
highlights
pivotal
role
innovation
photonic
applications,
facilitating
transformative
advancements
field.
Язык: Английский