Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
Abstract
This
work
utilizes
the
self‐assembled
cellulose
nanocrystals
(CNCs)
as
host
chiral
template
and
fabricates
a
circularly
polarized
luminescence
(CPL)
film.
By
manipulating
photonic
bandgap,
synthesized
film
integrates
strong
CPL
signal
superior
mechanical
flexibility.
Without
losing
activity,
ultimate
strain
of
19%
has
exceeded
most
CNC‐based
luminescent
assemblies,
which
enables
them
candidates
in
optical
sensor
wearable
device.
Meanwhile,
humidity‐stimulus
response,
with
dissymmetry
factor
(
g
lum
)
close
to
0.51.
responsive
process
is
reversible
properties
can
recover
upon
drying.
Next,
by
pathway,
this
achieves
on‐demand
direction
control
meets
considerable
intensity
reversed
signals
:
‐0.35),
avoiding
structure
disruption
random
under
external
stimuli,
opens
new
insight
into
regulations.
Furthermore,
combines
situ
growth
strategy
first
synthesizes
dynamic‐switchable
dual‐direction
Optics
both
directions
be
inverted
simultaneously
exchanging
sequences.
Finally,
multimodal
optics,
excellent
stability,
green
manufacturing
make
welcome
advanced
anti‐counterfeit
areas,
features
lossless
long‐time
useful.
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(11), P. 4819 - 4824
Published: May 24, 2024
Achieving
circularly
polarized
luminescence
(CPL)
with
room-temperature
phosphorescence
(RTP)
is
a
significant
but
challenging
issue.
Here,
simple
method
for
preparing
phosphorescent
(CPP)
materials
adopted
through
the
chiral
coordination
assembly.
One
enantiomeric
pair
of
polymers
(DCF-13
and
LCF-13)
synthesized
by
introducing
linker.
DCF-13
LCF-13
RTP
lifetimes
132.45
137.36
ms
can
emit
CPP
glum
values
−5.0
×
10–3
+5.0
at
450
nm.
This
work
provides
perspective
constructing
materials.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(42)
Published: Sept. 20, 2024
Herein,
thermally
responsive
reversible
chiral
supramolecules
are
reported,
constructed
by
the
chirality
transfer
from
tripeptides
to
achiral
network
supramolecular
organic
frameworks
(SOF)
based
on
configurationally
stepping
confinement,
which
displayed
not
only
highly
selective
but
also
efficient
enhanced
near-infrared
(NIR)
luminescence.
Taking
advantage
of
macrocyclic
CB[8]
separately
encapsulated
two
kinds
tetracationic
bis(phenothiazines)
derivatives
(G1,
G2)
at
2:1
stoichiometric
form
2D
SOFs,
efficiently
enhancing
12.6
fold
NIR
luminescence
and
blueshifted
705
680
nm
for
G1,
redshifted
695
710
G2,
respectively.
Uncommonly,
tripeptide
coassembled
with
noncovalent
(G1/CB[8]
or
G2/CB[8])
different
opposite
circular
dichroism
signals
binding
modes
affinity,
achieving
assemblies
further
fluorescence
up
46.2
times
quantum
yield
(QY)
increased
0.71%
10.29%
G2/CB[8],
showing
tunable
under
thermal
stimulus.
Therefore,
current
research
has
achieved
controllable
SOFs
enhancement
fluorescence,
is
successfully
applied
in
logic
gates,
information
encryption,
cell
imaging.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(16), P. 9421 - 9426
Published: Jan. 1, 2024
Histidine/tryptophan
and
their
enantiomers
were
stepwise
recognized
by
a
dual-optical-response
system,
responding
to
fluorescence
intensity
variation
chiroptical
activity
regulation.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
Abstract
This
work
utilizes
the
self‐assembled
cellulose
nanocrystals
(CNCs)
as
host
chiral
template
and
fabricates
a
circularly
polarized
luminescence
(CPL)
film.
By
manipulating
photonic
bandgap,
synthesized
film
integrates
strong
CPL
signal
superior
mechanical
flexibility.
Without
losing
activity,
ultimate
strain
of
19%
has
exceeded
most
CNC‐based
luminescent
assemblies,
which
enables
them
candidates
in
optical
sensor
wearable
device.
Meanwhile,
humidity‐stimulus
response,
with
dissymmetry
factor
(
g
lum
)
close
to
0.51.
responsive
process
is
reversible
properties
can
recover
upon
drying.
Next,
by
pathway,
this
achieves
on‐demand
direction
control
meets
considerable
intensity
reversed
signals
:
‐0.35),
avoiding
structure
disruption
random
under
external
stimuli,
opens
new
insight
into
regulations.
Furthermore,
combines
situ
growth
strategy
first
synthesizes
dynamic‐switchable
dual‐direction
Optics
both
directions
be
inverted
simultaneously
exchanging
sequences.
Finally,
multimodal
optics,
excellent
stability,
green
manufacturing
make
welcome
advanced
anti‐counterfeit
areas,
features
lossless
long‐time
useful.
