Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 26, 2024
Abstract
Stimulus‐responsive
fluorescent
polymeric
materials
(
FPMs
)
that
can
change
their
states
via
external
stimuli
have
been
widely
applied
in
multi‐level
information
encryption
and
anti‐counterfeiting.
While
many
efforts
mainly
focused
on
the
design
of
dual‐stimuli
responsive
,
construction
orthogonal
photo‐
thermo‐regulation
systems
remains
a
challenge.
Here,
thermo‐responsive
hydrogels
PTFPHs
containing
capsules
with
phase
(PCMs),
photoresponsive
molecules
(DTE),
thermally
(TPA‐DCPP)
are
reported.
They
capable
reconfiguring
fluorescence
(none,
green,
yellow,
red)
thermo‐induced
resonance
energy
transfer
(FRET)
process.
Additionally,
not
only
thermochromic
property
be
regulated
by
modulating
composition
PCMs,
but
photochromic
properties
also
tuned
using
SDS
to
control
size
capsules.
The
developed
exhibited
high
contrast,
fast
response,
excellent
reversibility.
successfully
integrated
application
between
temperature
monitoring
works
represented
strategy
for
developing
multi‐stimuli
advanced
Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Июнь 12, 2024
Abstract
Thermo‐responsive
smart
materials
have
aroused
extensive
interest
due
to
the
particular
significance
of
temperature
sensing.
Although
various
photoluminescent
are
explored
in
thermal
detection,
it
is
not
applicable
enough
X‐ray
radiation
environment
where
accuracy
and
reliability
will
be
influenced.
Here,
a
strategy
proposed
by
introducing
concept
radio‐luminescent
functional
building
units
(RBUs)
construct
thermo‐responsive
lanthanide
metal‐organic
frameworks
(Ln‐MOFs)
scintillators
for
self‐calibrating
thermometry.
The
rational
designs
RBUs
(including
organic
ligand
Tb
3+
/Eu
)
with
appropriate
energy
levels
lead
high‐performance
radio‐luminescence.
Ln‐MOFs
exhibit
perfect
linear
response
X‐ray,
presenting
low
dose
rate
detection
limit
(min
≈156.1
nGy
air
s
‐1
).
Self‐calibrating
based
on
ratiometric
XEL
intensities
achieved
good
absolute
relative
sensitivities
6.74
8.1%K
,
respectively.
High
light
yield
(max
≈39000
photons
MeV
−1
),
imaging
spatial
resolution
≈18
lp
mm
irradiation
stability
(intensity
≈100%
at
368
K
total
up
215
Gy
giant
color
transformation
visualization
benefit
applications,
especially
situ
imaging.
Such
provides
promising
way
develop
novel
photonic
excellent
scintillator
performances.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Abstract
Stimuli‐responsive
materials
with
optical
adaptibility
to
external
triggers
are
versatile
for
diverse
applications.
Among
these,
smart
chromic
molecular
photoswitching
enable
real‐time
absorption
changes
indications,
crucial
sensing,
security,
sensors,
authentication,
and
anti‐counterfeiting
This
current
study
presents
an
intriguing
approach
develop
spiropyran
(SP)‐based
switches
rapid
reversible
photochromism.
Three
dual‐responsive
functional
SPs
(f‐SPs)
dyes
varying
SP
moieties
(1–3)
synthesized
using
straightforward
chemical
method.
The
responsiveness
of
f‐SPs
dual
stimuli,
such
as
organic
solvents
polarity
light
sources
different
wavelengths
(365
530
nm),
is
investigated.
increasing
(non‐polar
polar)
facilitated
stabilization
merocyanine
(MC)
isomer.
On
contrary,
upon
irradiation
sources,
exhibited
significant,
real‐time,
highly
in
color.
photochromic
reversibility
within
20
s
increased
moieties.
Furthermore,
incorporated
into
Polydimethylsiloxane
(PDMS)
polymer
matrix.
resulting
composite
films
displayed
exceptional
photostability,
responses,
reduced
photo
fatigue.
Additionally,
versatility
sensing
demonstrated
by
tailoring
structural
isomerization
these
photo‐patterning
work
paves
way
advanced
cutting‐edge
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
Abstract
Preparing
multi‐color
and
multi‐stimuli‐responsive
circularly
polarized
luminescence
(CPL)
materials
understanding
the
evolution
of
chirality
through
visualized
mode
is
still
a
challenge.
Here,
an
encapsulation
engineering
approach
chiral
metal‐organic
frameworks
(MOFs)
proposed
to
confine
guest
emitters
realize
CPL.
Based
on
triplet‐triplet
energy
transfer
(TTET),
white
CPL
near‐infrared
room
temperature
phosphorescence
(NIR‐CPRTP)
can
be
obtained
by
introducing
pyrene
derivatives.
With
introduction
containing
vinylpyrene
group,
light‐
thermal‐responsive
with
signal
inversion
realized
reversible
[2+2]
cycloaddition
reaction
between
ligand
triggered
visible
light/ultraviolet
light
or
heating.
Furthermore,
excitation‐dependent
successfully
achieved
incorporation
excited
state
intramolecular
proton
(ESIPT)
molecules
into
nanopores.
Importantly,
magnification
greatly
enhanced
spatial
confinement,
accurate
host‐guest
single
crystal
structures
FLT@DCF‐12
FLT@LCF‐12
provide
understand
mechanism
transfer,
amplification
responsiveness.
White
LED
multiple
information
display
encryption
are
further
demonstrated.
This
breakthrough
provides
new
perspective
guest‐encapsulated
MOFs
contributes
construction
stimuli‐responsive
CPL‐active
materials.
Applied Physics Letters,
Год журнала:
2025,
Номер
126(13)
Опубликована: Март 1, 2025
Inorganic
crystals
doped
with
luminescent
ions
have
attracted
considerable
interest
due
to
their
abundant
luminescence
spectra.
Particularly,
these
materials
can
show
highly
variable
in
response
external
stimuli,
rendering
widespread
applications
ranging
from
super-resolution
techniques
high-security
information
encryption.
In
this
Perspective,
we
highlight
the
recent
developments
of
controlling
optical
inorganic
under
various
including
light,
temperature,
water/humidity,
and
mechanical
force.
Moreover,
delve
into
underlying
mechanism
discuss
relevant
applications,
simultaneously
pointing
out
challenges
future
directions
for
designing
superior
stimuli-responsive
materials.
Chemical Science,
Год журнала:
2024,
Номер
15(19), С. 7178 - 7186
Опубликована: Янв. 1, 2024
Through
the
formation
of
macrocycle
and
[2]catenane,
precise
regulation
vibration-induced
emission
has
been
successfully
achieved,
providing
a
new
strategy
for
development
novel
molecular
systems
with
tunable
behaviors.
