Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 23, 2024
Abstract
Endowing
the
widely-used
synthetic
polymer
nylon
with
high-performance
organic
room-temperature
phosphorescence
would
produce
advanced
materials
a
great
potential
for
applications
in
daily
life
and
industry.
One
key
to
achieving
this
goal
is
find
suitable
luminophore
that
can
access
triplet
excited
state
aid
of
matrix
by
controlling
matrix-luminophore
interaction.
Herein
we
report
highly-efficient
nylons
doping
cyano-substituted
benzimidazole
derivatives
into
6
matrix.
These
homogeneously
doped
show
ultralong
lifetimes
up
1.5
s
high
quantum
efficiency
48.3%
at
same
time.
The
synergistic
effect
homogeneous
dopant
distribution
via
hydrogen
bonding
interaction,
rigid
environment
polymer,
energy
transfer
between
luminophores
important
phosphorescence,
as
supported
combined
experimental
theoretical
results
control
compounds
various
polymeric
matrices.
One-dimensional
optical
fibers
are
prepared
from
these
transport
both
blue
fluorescent
green
afterglow
photonic
signals
across
millimeter
distance
without
significant
attenuation.
phosphorescent
dual
information
encryption
rewritable
recording
illustrated.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(22), P. 8005 - 8058
Published: Jan. 1, 2023
Afterglow
materials
have
attracted
widespread
attention
owing
to
their
distinctive
and
long-lived
optical
emission
properties
which
create
exciting
opportunities
in
various
fields.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(19), P. 6715 - 6753
Published: Jan. 1, 2023
This
review
not
only
highlights
the
progress
of
emission
and
electronic
behaviour
new
pyrene-based
luminescence
molecules
in
aggregated
state,
but
also
provides
a
perspective
for
understanding
mechanism
optoelectronic
properties
pyrenes.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(29)
Published: May 16, 2022
There
are
limited
reports
about
the
transformation
of
pure
organic
room-temperature
phosphorescence
(RTP)
materials
with
multilevel
stimuli-responsiveness
at
different
RTP
emission
wavelengths
under
external
stimuli.
It
is
difficult
to
ensure
efficient
intersystem
crossing
(ISC)
in
states
a
single-component
system.
This
research
conversion
small
molecule
1,2-bis(4-alkoxyphenyl)ethane-1,2-dione
(N-BOX)
between
high-efficiency
blue
and
yellow
by
grinding
or
thermal
annealing
N-BOX
crystals.
The
crystalline
state
was
easy
adjust
stimuli
(grinding
annealing)
due
its
non-compact
packing,
which
led
phase
transition
generated
unique
stimuli-responsiveness.
In
particular,
quantum
yield
7-BOX
reached
68.4
%,
provides
an
opportunity
for
regulation
smart
optical
based
on
RTP.
Aggregate,
Journal Year:
2022,
Volume and Issue:
4(1)
Published: July 12, 2022
Abstract
Purely
organic
room
temperature
phosphorescence
(RTP)
materials
have
aroused
increasing
interests
in
recent
years
and
been
widely
applied
anti‐counterfeiting,
biological
imaging,
sensing,
etc.
Currently,
these
can
be
efficiently
developed
crystalline
states
amorphous
polymer‐doped
systems.
However,
achieving
RTP
solution,
especially
water
is
still
a
formidable
challenge.
Recently,
reports
on
aqueous
phase
some
feasible
design
strategies
proposed;
however,
related
investigations
are
limited
there
lack
of
systematic
reviews.
Therefore,
we
summarized
the
cases
emission
with
primarily
focusing
properties
efficient
(e.g.,
forming
nanoparticles
from
phosphorescent
molecules
macrocyclic
supramolecular
assembly).
Moreover,
promising
applications
bio‐imaging
sensing
were
discussed.
Some
detailed
perspectives
concerning
application
provided
hope
to
provide
inspiration
for
future
development
RTP.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(36), P. 5329 - 5342
Published: Jan. 1, 2023
Organic
room-temperature
phosphorescence
(RTP)
materials
are
currently
the
focus
of
research
in
field
bioimaging.
In
comparison
with
conventional
imaging
modalities
based
on
organic
fluorescent
dyes,
RTP
long
lifetime
enable
time-resolved
to
improve
resolution
by
avoiding
autofluorescence.
this
review,
we
will
start
summarizing
strategies
for
achieving
high
performance
bioimaging,
including
development
RTP-compounds,
host-guest
doping
materials,
and
supramolecular
assemblies.
We
then
discuss
optimization
nanonization
processes
obtain
nanoparticles
controllable
size,
dispersibility,
improved
stability.
The
differences
between
top-down
bottom-up
approaches
further
described.
Finally,
briefly
introduce
emerging
methods
preparing
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(13), P. 12895 - 12902
Published: June 29, 2023
Organic
solid-state
materials
with
long-lived
room-temperature
phosphorescence
(RTP)
emission
have
been
widely
developed
and
applied
in
many
fields,
while
works
developing
solution-phase
were
rarely
reported
owing
to
the
ultrafast
nonradiative
relaxation
quenchers
from
liquid
medium.
Herein,
we
report
an
ultralong
RTP
system
water
through
assembly
based
on
a
β-cyclodextrin
host
p-biphenylboronic
acid
guest
lifetime
of
1.03
s
under
ambient
conditions.
It
is
worth
noting
that
depends
host-guest
inclusion
as
well
intermolecular
hydrogen
bonding
interactions,
which
suppress
avoid
effectively.
Furthermore,
addition
fluorescent
dyes
achieved
tuning
afterglow
color
radiative
energy
transfer
reabsorption.
