Nanoscale,
Год журнала:
2024,
Номер
17(1), С. 158 - 186
Опубликована: Окт. 31, 2024
Review
of
synthesis
strategies
for
circularly
polarized
luminescence
(CPL)
inorganic
quantum
dots,
influencing
factors,
theoretical
insight
into
CPL
mechanisms,
and
future
applications/prospects.
Images
reproduced
with
permission,
details
in
article.
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(19)
Опубликована: Апрель 30, 2024
Abstract
Functional
materials
that
exhibit
circularly
polarized
luminescence
(CPL)
have
shown
immense
potential
in
applications
such
as
3D
optical
displays
and
advanced
information
encryption.
However,
facile
efficient
regulation
of
the
multiple
emission
properties
chiral
systems
has
remained
a
challenge
due
to
scarcity
suitable
complexity
systems.
Herein,
CPL
platform
is
fabricated
by
helical
co‐assembly
an
aldehyde‐functionalized
fluorane
dye
(Rhodol‐CHO,
6′‐(diethylamino)‐3′‐hydroxy‐3‐oxo‐3H‐spiro[isobenzofuran‐1,9′‐xanthene]‐4′‐carbaldehyde)
liquid
crystals,
which
can
efficiently
combine
stimuli‐responsive
characteristics
high
activity.
By
introducing
acid,
base,
compounds
containing
primary
amino
(─NH
2
)
groups,
property
system
be
easily
modified.
The
obtained
apparent
asymmetry,
with
g
lum
values
reaching
0.54–0.75).
Further,
these
modules
are
successfully
applied
multi‐mode
encryption,
highlighting
their
practical
utility.
Therefore,
this
study
presents
novel
strategy
for
developing
diverse
behaviors
based
on
simple‐designed
platform,
advancing
further
materials.
Analytical Chemistry,
Год журнала:
2024,
Номер
96(36), С. 14550 - 14559
Опубликована: Авг. 24, 2024
In
this
work,
we
explored
the
potential
of
thiol-capped
CdZnTe
quantum
dots
(QDs)
as
an
exceptional
signal
tag
for
fluorescence
aptasensing
applications.
Employing
a
one-pot
hydrothermal
approach,
modulated
terminal
functional
groups
QDs
using
l-cysteine
(Lcys),
3-mercaptopropionic
acid
(MPA),
and
N-acetyl-l-cysteine
(NAC)
ligands.
Our
comparative
analysis
revealed
that
NAC-capped
(NAC-CdZnTe
QDs)
exhibited
superior
anti-interference
capabilities
storage
stability
across
various
temperatures,
pH
levels,
durations.
Encouraged
by
these
promising
results,
further
optimized
use
ultrastable
NAC-CdZnTe
encapsulated
in
dendritic
mesoporous
silica
nanoparticles
(DMSN@QDs)
development
advanced
aptasensor
aflatoxin
B1
(AFB1)
detection.
The
developed
DMSN@QDs
tags
achieved
remarkable
amplification
approximately
10.2
fold
compared
to
coated
(SiO2@QDs)
labeled
aptasensor.
This
was
able
detect
AFB1
within
wide
range
1
pg
mL–1
200
ng
mL–1,
achieving
limit
detection
low
0.41
(S/N
=
3).
Crucially,
specific
binding
affinity
between
aptamer
target
enabled
be
easily
customized
targets
simply
replacing
sequence
with
desired
one.
QDs,
particularly
when
DMSNs,
leads
highly
sensitive
selective
aptasensors
targets,
thereby,
paving
way
advancements
diverse
Analytical Chemistry,
Год журнала:
2025,
Номер
97(5), С. 3161 - 3170
Опубликована: Янв. 31, 2025
The
development
of
sophisticated
nanomaterials
with
synergistically
enhanced
functionalities
and
applications
has
been
greatly
promoted
via
the
construction
Janus
nanoparticles
controlled
compositions.
In
this
work,
we
described
demonstrated
formation
Au-PbS
(NPs)
by
Au
NPs-mediated
spontaneous
epitaxial
nucleation
growth.
mechanism
NPs
was
investigated
in
detail.
Then,
also
found
that
there
a
strong
electronic
interaction
between
PbS
quantum
dots
(QDs)
NPs,
where
electrons
were
transferred
from
domain
to
QDs
domain.
Moreover,
integrated
high-brightness
tunable
second
near-infrared
(NIR-II)
photoluminescence
emission
surface-enhanced
Raman
scattering
(SERS),
which
achieved
good
intraoperative
tumor
resection.
This
complementary
dual-functional
imaging
had
potential
enable
more
accurate
Printing
materials
with
circularly
polarized
light
(CPL)
emission
holds
promise
for
flexible
stereoscopic
displays
and
multilevel
anticounterfeiting
solutions.
However,
a
key
challenge
lies
in
developing
printable
CPL
that
exhibit
both
high
photoluminescence
quantum
yield
(PLQY)
luminescence
dissymmetry
factor
(
g
lum
)
values.
In
this
study,
we
present
the
macroscopic
controllable
production
of
efficient
full-color
carbon
dot
(CDs)
photonic
paint
materials.
These
materials,
consisting
heavy
metal-free
CDs
as
emitters,
liquid
crystals
host
matrices,
are
produced
using
helical
coassembly
strategy.
Our
systems
based
on
achieve
PLQY
(more
than
80%)
values
1.4),
figure
merit
(a
performance
indicator
properties
calculated
by
multiplying
glum)
1.12,
outperforming
other
material
systems.
Furthermore,
CDs-CPL
is
successfully
used
printing
luminous
patterns
features.
This
research
provides
insights
into
advanced
highlighting
their
broad
potential
applications.