Polymer-based
organic
room
temperature
phosphorescence
(RTP)
materials
are
of
critical
importance
in
light-emitting
diodes,
displays,
and
anti-counterfeiting
applications.
Nevertheless,
the
development
heavy-atom-free
that
exhibit
long
RTP
lifetimes
high
quantum
yields
via
a
straightforward,
cost-effective,
environmentally
friendly
preparation
remains
significant
challenge.
In
this
study,
we
design
construct
an
sustainable
highly
efficient
hydrogen-bonding
network
(QA/PAM)
employing
commercially
available
quinoline
carboxylic
acid
(QA)
derivatives
water-soluble
polymer
polyacrylamide
(PAM)
with
hydrogen
bond
capacity.
By
increasing
conjugation
degree
number
carboxyl
groups
QA,
can
effectively
enhance
π-π*
n-π*
transitions,
thereby
reducing
energy
gap
between
S1
T1
states,
resulting
offering
ability
to
adjust
colors
from
blue
green
subsequently
yellow-green.
Particularly,
BQDA/PAM-0.3
wt%
system
shows
average
lifetime
392.46
ms
QY
26.93%
under
300
nm
excitation
at
297
K.
Anti-counterfeiting
patterns
2D
code
fabricated
by
BQDA/PAM
solution
screen
printing
be
facilely
deciphered
mobile
phone,
potential
applications
optical
digital
information
security
for
commercial
production.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 12, 2024
Abstract
Aqueous
phase
room‐temperature
phosphorescence
(RTP)
materials
are
attracting
increasing
interest
owing
to
their
unique
optical
properties
and
promising
applications.
However,
the
realization
of
ultralong
aqueous
state
RTP
remains
a
formidable
challenge
due
severe
quenching
triplet
excitons
in
medium.
In
this
study,
universal
strategy
is
presented
achieve
through
encapsulation
organic
phosphors
within
rigid
hydrogen‐bonded
frameworks
(HOFs)
by
situ
self‐assembly.
Benefiting
from
compact
microenvironments
provided
HOFs,
nonradiative
dissipations
immensely
suppressed
populated
greatly
stabilized
geometrical
confinement
isolating
quenchers.
As
result,
assembled
HOFs‐based
reveal
robust
emission
with
an
lifetime
up
493.1
ms
exhibit
long‐term
structural
stability
water
even
harsh
conditions
(acid
base)
for
more
than
10
days.
Moreover,
fluorescent
dye
introduced
finely
tune
afterglow
performance
based
on
triplet‐to‐singlet
Förster
resonance
energy
transfer
(TS‐FRET),
facilitating
advanced
information
encryption
anticounterfeiting
This
study
provides
reliable
method
design
prepare
expands
applications
encryption.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Abstract
Ultralow
temperature
storage
has
sparked
considerable
attention
with
the
development
of
economy,
showing
promising
applications
ranging
from
biomedical
to
national
defense
and
other
fields.
However,
ultralow
detection
is
constrained
by
brittleness
current
materials
at
low
temperatures
complexity
techniques.
Consequently,
challenge
exists
in
finding
efficient
solutions
material
tolerance
issues
achieving
rapid
temperature.
Herein,
a
novel
flexible
cross–linked
polymer
TPTA@PU
film
long
afterglow,
high
phosphorescence
quantum
efficiency,
excellent
mechanical
properties
are
successfully
fabricated.
Interestingly,
obtained
films
demonstrate
notable
thermoresponsive
behavior,
afterglow
color
shifting
rapidly
blue
green
within
ranges
80
280
K.
Additionally,
there
positive
linear
correlation
between
RGB
values
corresponding
Based
on
these
prominent
features,
an
sensor
realized
utilizing
as
elements.
This
work
can
be
expected
provide
more
inspiration
possibilities
for
using
RTP
cutting‐edge
field.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(70), P. 9328 - 9339
Published: Jan. 1, 2024
This
article
summarizes
the
potential
of
TPP
salts
in
tuning
RTP
properties
and
their
applications
multi-level
information
encryption,
high-level
anticounterfeiting
tags,
X-ray
scintillators.
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 Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
Polymeric
room
temperature
phosphorescence
(RTP)
materials
have
been
well
developed
and
utilized
in
various
fields.
However,
their
fast
thermo‐
moisture‐quenching
behavior
highly
limit
applications
certain
harsh
environments.
Therefore,
the
preparation
of
with
moisture‐resistant
is
greatly
attractive.
Compared
common
water‐soluble
polymers,
cycloolefin
copolymers
(COC)
show
outstanding
hydrophobicity
higher
rigidity,
even
at
elevated
temperatures,
being
as
a
promising
candidate
to
prepare
suppressed
behavior.
Herein,
type
COC
bearing
hydroxyl,
ester,
adamantanyl
side
groups
synthesized.
After
dispersing
phosphors
into
this
matrix,
resultant
composites
exhibit
full‐color
RTP
lifetimes
249–590
ms.
Their
luminescence
does
not
obvious
quenching
water,
acid,
alkalinous,
reductive,
oxidative
In
presence
both
rigid
matrix
phosphors,
corresponding
composite
displays
high‐temperature
performance.
Even
378
K,
can
emit
lifetime
40–98
The
these
COC‐based
for
imaging,
information
encryption,
anti‐counterfeiting
are
thus
explored.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
focuses
on
stimuli-responsive
material
(SRM)-based
data
protection,
emphasizing
the
integration
of
intricate
logic
and
algorithms
in
SRM-constructed
hardware.
It
also
discusses
current
challenges
future
directions
field.
