Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(44)
Published: July 12, 2023
Abstract
Thermochromic
fluorescent
materials
(TFMs)
exhibit
great
potential
in
information
encryption
applications
but
are
limited
by
low
thermosensitivity,
poor
color
tunability,
and
a
wide
temperature‐responsive
range.
Herein,
novel
strategy
for
constructing
highly
sensitive
TFMs
with
tunable
emission
(450–650
nm)
toward
multilevel
is
proposed,
which
employs
polarity‐sensitive
fluorophores
donor–acceptor–donor
(D–A–D)
type
structures
as
emitters
long‐chain
alkanes
thermosensitive
loading
matrixes.
The
structure–function
relationships
between
the
performance
of
both
phase‐change
molecules
systematically
studied.
Benefiting
from
above
design,
obtained
over
9500‐fold
fluorescence
enhancement
temperature
change,
well
ultrahigh
relative
sensitivity
up
to
80%
K
−1
,
first
confirmed.
Thanks
superior
transducing
performance,
above‐prepared
can
be
further
developed
information‐storage
platforms
within
relatively
narrow
interval
variation,
including
temperature‐dominated
multicolored
display
encryption.
This
work
will
not
only
provide
perspective
designing
also
bring
inspiration
design
preparation
other
response‐switching‐type
probes
conversion
efficiency.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
62(3)
Published: Nov. 15, 2022
Enabling
dynamically
tunable
emissive
systems
offers
opportunities
for
constructing
smart
materials.
Clusteroluminescence,
as
unconventional
luminescence,
has
attracted
increasing
attention
in
both
fundamental
and
applied
sciences.
Herein,
we
report
a
supramolecular
poly(disulfides)
network
with
clusteroluminescence.
The
reticular
H-bonds
synergize
the
rigidity
mobility
of
dynamic
networks,
endow
resulting
materials
mechanical
adaptivity
robustness,
simultaneously
enabling
efficient
clusteroluminescence
phosphorescence
at
77
K.
Orthogonally
luminescence
are
achieved
two
manners,
i.e.,
slow
backbone
disulfide
exchange
fast
side-chain
metal
coordination.
Further
exploration
reprocessability
chemical
closed-loop
recycling
intrinsic
networks
sustainable
is
feasible.
We
foresee
that
synergistic
strategy
chemistry
novel
pathway
potential
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
33(6)
Published: Dec. 9, 2022
Abstract
As
a
typical
representative
of
dopants,
organic
functional
dyes
have
demonstrated
their
significant
roles
in
novel
smart
liquid
crystal
(LC)
devices,
and
dye‐doped
LCs
also
been
source
inspiration
for
scientists
to
design
fabricate
stimuli‐gated
materials
or
devices
envisioned
applications
wide
range
areas.
In
this
review,
the
focus
on
dichroic
dyes,
fluorescent
photothermal
recent
progress
LC
employing
these
as
dopants
are
overviewed.
The
review
highlights
developments
doped
with
dyes.
structures,
designs,
outlined.
underlying
principles
which
utilized
first
introduced.
Subsequently,
application
fields
windows,
attenuators
augmented
reality
(AR)
systems,
color‐changeable
textiles,
color
filters,
dual‐mode
circular
polarizers,
chirality
detectors,
optical
limiters,
switchable
luminescent
solar
concentrators,
multiple
information
encryption,
anti‐counterfeiting,
photo‐addressed
transparent
displays,
circularly
polarized
luminescence,
tunable
lasers,
light‐driven
soft
actuators
discussed.
Finally,
challenge
strategies
future
improvement
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(44)
Published: July 12, 2023
Abstract
Thermochromic
fluorescent
materials
(TFMs)
exhibit
great
potential
in
information
encryption
applications
but
are
limited
by
low
thermosensitivity,
poor
color
tunability,
and
a
wide
temperature‐responsive
range.
Herein,
novel
strategy
for
constructing
highly
sensitive
TFMs
with
tunable
emission
(450–650
nm)
toward
multilevel
is
proposed,
which
employs
polarity‐sensitive
fluorophores
donor–acceptor–donor
(D–A–D)
type
structures
as
emitters
long‐chain
alkanes
thermosensitive
loading
matrixes.
The
structure–function
relationships
between
the
performance
of
both
phase‐change
molecules
systematically
studied.
Benefiting
from
above
design,
obtained
over
9500‐fold
fluorescence
enhancement
temperature
change,
well
ultrahigh
relative
sensitivity
up
to
80%
K
−1
,
first
confirmed.
Thanks
superior
transducing
performance,
above‐prepared
can
be
further
developed
information‐storage
platforms
within
relatively
narrow
interval
variation,
including
temperature‐dominated
multicolored
display
encryption.
This
work
will
not
only
provide
perspective
designing
also
bring
inspiration
design
preparation
other
response‐switching‐type
probes
conversion
efficiency.
