Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 5, 2024
Abstract
Some
marine
animals
form
long‐lived
luminescence
for
predation,
communication,
camouflage,
and
anti‐predation.
These
demonstrate
soft
nature,
sustainable
glowing,
underwater
emission,
which
are
difficult
to
achieve
in
synthetic
room
temperature
phosphorescence
(RTP)
materials.
Inspired
by
these
animals,
here
the
study
reports
RTP
hydrogels
that
show
(lifetime
>500
ms
afterglow
>10
s)
water.
Exceptional
mechanical
properties
simultaneously
achieved,
including
tensile
strength
of
5.1
MPa,
strain
452%,
toughness
19.3
MJ
m
−3
.
The
key
this
achievement
lies
situ
phase
separation
microarchitecture
formed
between
polyacrylamide
(PAM)
its
partial
hydrolysates,
confines
motions
polymer
chains
protects
vulnerable
triplet
excitons
from
quenching
Such
a
strategy
shows
merits
facile
fabrication
without
laborious
synthesis.
In
addition,
offer
repeatable
photoprinting
highly
stability
water,
providing
versatile
platform
applications
materials,
information
encryption
camouflage
animals.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Abstract
The
pursuit
of
sustainable,
high‐performance
organic
ultralong
room
temperature
phosphorescence
(OURTP)
materials
with
stimulus‐responsive
properties
presents
a
significant
and
enticing
yet
formidable
challenge.
Herein,
an
efficient
strategy
to
confining
boric
acid‐based
compounds
into
biomass
macrocycle
γ‐cyclodextrin
through
multiple
interactions
is
developed,
enabling
the
construction
multicolor
OURTP
doped
systems.
synergistic
effects
strong
hydrogen
bonding,
C─O─B
covalent
cross‐linking,
host–guest
encapsulation
significantly
suppress
non‐radiative
transition,
culminating
in
extraordinary
lifetime
excellent
quantum
yield
4.65
s
32.8%,
respectively,
which
are
far
superior
reported
RTP
materials.
Additionally,
merging
phosphors
contributes
stimulus
responses,
overcoming
inherent
limitations
degradation
recycling
compounds,
dynamically
modulating
signals
multiple‐stimulus
achieving
integration
multifunctional
dynamic
data
processing
techniques.
This
work
will
provide
direction
for
new
environmentally
friendly
potentially
commercially
available
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 16, 2024
Abstract
Circularly
polarized
luminescent
(CPL)
materials
have
garnered
tremendous
attention
owing
to
their
expanded
optical
properties
beyond
emission
wavelength
and
intensity.
Among
these,
the
emerging
circularly
organic
ultralong
room‐temperature
phosphorescence
(CP‐OURTP)
materialsdemonstrating
elegant
distinct
features
are
of
significant
importance
for
extended
lifetime,
which
represent
a
novel
frontier
in
research
with
promising
scientific
technological
applications
across
diverse
fields.
This
review
systematically
outlines
traditional
strategies
achieve
CP‐OURTP
including
crystals,
copolymerization,
host–guest
doping,
combination
copolymerization
spinning
twisting
technology,
supramolecular
polymer
assembly.
Importantly,
recent
progress
chiral
soft
materials,
such
as
liquid
crystals
(LCs)
involving
lyotropic
LCs
(cellulose
nanocrystals,
CNCs)
thermotropic
(cholesteric
LC
elastomers),
is
showcased.
Finally,
practical
summarized,
concludes
perspectives
on
current
challenges
future
opportunities
materials.
aims
inspire
further
innovations
fabrication
advanced
enrich
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 26, 2024
Abstract
Phosphorescent
supramolecular
hydrogels
are
currently
a
prevalent
topic
for
their
great
promise
in
various
photonic
applications.
Herein,
an
efficient
near‐infrared
(NIR)
phosphorescence
hydrogel
is
reported
via
the
hierarchical
assembly
strategy
aqueous
solution,
which
fabricated
from
amphiphilic
bromonaphthalimide
pyridinium
derivative
(G),
exfoliated
Laponite
(LP)
nanosheets,
and
polymeric
polyacrylamide
(PAAm).
Initially,
G
spontaneously
self‐aggregates
into
spherical
nanoparticles
covered
with
positively
charged
units
emits
single
fluorescence
at
410
nm.
Driven
by
electrostatic
interactions
negatively
subsequently
function
as
cross‐linked
binders
coassemble
LP
engendered
red
room‐temperature
(RTP)
up
to
620
Benefiting
hydrogen‐bonding
interactions‐mediated
physical
cross‐linkage,
further
introduction
of
PAAm
not
only
significantly
elevates
mechanical
strength
showing
fast
self‐healing
capability,
but
also
increases
lifetime
2.49
4.20
ms,
especially
generating
even
higher
temperature
(
τ
363
K
=
2.46
ms).
Additionally,
RTP
energy
transfer
occurs
after
doping
small
amount
organic
dye
heptamethine
cyanine
(IR780)
acceptor
hydrogels,
resulting
long‐lived
NIR
emission
823
nm
high
donor/acceptor
ratio,
successfully
applied
cell
labeling
window.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
Abstract
Single
luminophore
enabling
stimuli‐responsive
dual‐emission
characteristic
has
received
considerable
interest
in
recent
years
due
to
its
special
advantages
advanced
optical
events.
A
large
number
of
reports
around
the
globe
have
involved
dynamic
or
adjustable
phenomenon
(e.g.,
dual
emission
intensity
ratio)
single‐emitter
based
systems.
However,
a
systematic
overview
summarizing
underlying
mechanisms,
behaviors,
and
applications
this
topic
is,
so
far,
missing.
To
further
promote
development
extend
important
role
such
kind
materials
diverse
communities,
review,
latest
advancements
field
single‐luminophore
that
exhibit
characteristics
are
summarized.
The
discussion
is
centered
on
photophysical
innovative
design
approaches,
strategies
for
modulating
properties,
these
This
review
anticipated
provide
new
insights
into
distinctive
organic
luminescence
community
from
perspective.
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
With
the
rise
of
circular
economy,
self-healing
polymers
have
attracted
significant
attention
for
their
longer
lifespan
and
greater
recyclability
compared
with
traditional
thermoplastics
thermosetting
polymers.
However,
addressing
instability
units
to
develop
high-performance
materials
remains
a
challenge.
Herein,
we
report
series
superior
polyimine
derivatives,
biobased
polyacylhydrazones
(bio-PHys),
via
aldehyde-hydrazide
condensation.
The
coexistence
amide
bonds
imine
bonds,
which
provide
hydrogen
bonding
dynamics,
imparts
remarkable
mechanical
properties
(tensile
strength
103
MPa,
elongation
at
break
180%)
bio-PHys,
along
notable
capabilities
under
glass
transition
temperature
(Tg).
Bio-PHys
also
exhibits
potential
scalable
production,
excellent
processability,
photoluminescence
characteristics.
We
explored
its
application
in
adhesive-free
laminated
substrates
thoroughly
investigated
aggregation-induced
emission
acylhydrazone
group.
Furthermore,
utilized
bio-PHys
create
recyclable
smart
paper
anticounterfeiting
dynamic
information
storage.
This
work
presents
novel
approach
developing
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Triplet
excitons,
driven
by
spin-flip
processes,
play
a
crucial
role
in
enabling
efficient
room-temperature
phosphorescence
across
various
applications.
However,
attaining
significant
accumulation
of
long-lived
excitons
is
impeded
the
simultaneous
influence
nonradiative
and
radiative
decay
pathways
alongside
intersystem
crossing
efficiencies.
Here,
we
introduce
solvent
intercalation
approach
that
leverages
triplet
exciton
processes
family
zero-dimensional
organic-inorganic
halides,
A2ZnBr4
(A
=
organic
phosphonium
cations).
By
intercalating
inactive
molecules
into
these
their
can
be
reconfigured.
This
leads
to
significantly
amplified
but
attenuated
transitions,
which
give
rise
16-
6-fold
increases
lifetime
quantum
yield,
respectively.
Our
single
crystal
X-ray
diffraction,
transient
absorption,
theoretical
calculation
results
reveal
such
dramatic
improvement
attributed
unique
spatial
effect
on
both
electrons
holes
induced
intercalated
molecules.
The
consequently
reduced
orbital
degeneracy
number
spin-allowed
channels,
promoting
crossing,
while
synergistically
enhanced
electron
localization
diminishes
decay,
leading
high
efficiency
enduring
phosphorescence.
findings
offer
new
pathway
for
manipulating
process
boost
emission
with
potential
applications
designing
wide
spectrum
phosphorescent
materials.
Abstract
The
persistent
luminescence
(PersL)
induced
by
X‐rays
in
fluoride
materials
has
garnered
widespread
application
within
the
field
of
optoelectronics.
However,
complexity
trap
systems
multi‐component
impeded
further
exploration
into
PersL
properties.
Here,
a
compound
consisting
solely
and
lanthanide
ions
is
focused
on,
which
simplifies
revelation
mechanism
under
X‐ray
excitation.
Experimental
theoretical
results
reveal
that
phenomenon
primarily
attributed
to
migration
recovery
processes
interstitial
lattice.
Depending
on
localization
ions,
corresponding
Frenkel
defects
can
be
classified
two
distinct
types:
those
are
readily
self‐recoverable
near
matrix
less
likely
self‐recover
dopant
ions.
anomalous
phenomena
observed
at
temperatures
do
not
correspond
thermoluminescence
spectra
substantiate
existence
these
dynamic
traps.
Furthermore,
leveraging
material's
superior
properties,
scintillator
film
prepared
utilized
for
imaging
static
displays.
These
findings
provide
refined
understanding
related
defects,
laying
solid
foundation
continued
development
technology.
