Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 8, 2024
Abstract
Near-infrared
luminophores
have
many
advantages
in
advanced
applications,
especially
for
structures
without
π-conjugation
aromatic
rings.
However,
the
fabrication
of
red
clusteroluminogens
from
nonconjugated
polymers
is
still
a
big
challenge,
let
alone
near-infrared
clusteroluminogens.
Here,
we
develop
with
full-spectrum
blue
to
light
(470
~
780
nm),
based
on
color
phenomenon
polyesters
synthesized
amine-initiated
copolymerization
epoxides
and
cyclic
anhydrides.
We
reveal
that
amines
act
as
initiators
attached
polymer
chain
ends.
The
formation
various
amine-ester
complexes
induces
light,
conceptually,
complexed
clusteroluminescence
via
intra/inter-chain
charge
transfer.
Significantly,
emission
colors
can
be
easily
tuned
by
contents
types
amines,
microstructures
polyesters,
their
concentration.
This
work
provides
low-cost,
scalable
platform
strategy
production
high-efficiency,
multicolor
luminescent
materials.
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:
2022,
Volume and Issue:
51(11), P. 4786 - 4827
Published: Jan. 1, 2022
Multicharged
cyclodextrin
(CD)
supramolecular
assemblies,
including
those
based
on
positively/negatively
charged
modified
mono-6-deoxy-CDs,
per-6-deoxy-CDs,
and
random
2,3,6-deoxy-CDs,
as
well
parent
CDs
binding
guests,
have
been
extensively
applied
in
chemistry,
materials
science,
medicine,
biological
catalysis,
other
fields.
In
this
review,
we
primarily
focus
summarizing
the
recent
advances
encapsulating
especially
construction
process
of
assemblies
their
applications.
Compared
with
uncharged
CDs,
multicharged
display
remarkably
high
antiviral
antibacterial
activity
efficient
protein
fibrosis
inhibition.
Meanwhile,
can
interact
oppositely
dyes,
drugs,
polymers,
biomacromolecules
to
achieve
effective
encapsulation
aggregation.
Consequently,
CD
show
great
advantages
improving
drug-delivery
efficiency,
luminescence
properties
materials,
molecular
recognition
imaging,
toughness
hydrogels,
addition
enabling
multistimuli-responsive
assemblies.
These
features
are
anticipated
not
only
promote
development
CD-based
chemistry
but
also
contribute
rapid
exploitation
these
diverse
interdisciplinary
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(31)
Published: June 10, 2022
Abstract
Smart
afterglow
materials
in
response
to
excitation
and
delay
time,
including
crystals,
polymeric
films,
carbon
dots,
have
attracted
considerable
attention
on
account
of
their
fundamental
value
photophysics
promising
applications
optoelectronics.
However,
the
fabrication
amorphous
flexible
polymer
films
with
fine
control
remains
underexplored.
Herein,
new
doped
based
sodium
alginate
aromatic
carboxylates
are
developed,
which
demonstrate
following
advantages:
(i)
easy
fast
through
aqueous
solution
process,
(ii)
flexible,
transparent,
re‐dissolvable
characteristics,
(iii)
multi‐tunable
colors
from
blue
red
even
white
control.
Specifically,
better
controllability
can
be
achieved
co‐doping
triplet‐to‐singlet
Förster
resonance
energy
transfer
(TS‐FRET).
Multimode
advanced
anti‐counterfeiting
these
is
demonstrated
using
excitation‐
time‐dependent
as
well
TS‐FRET‐mediated
colors.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(38)
Published: June 30, 2022
Noncovalent
macrocycle-confined
supramolecular
purely
organic
room-temperature
phosphorescence
(RTP)
is
a
current
research
hotspot.
Herein,
high-efficiency
noncovalent
polymerization-activated
near-infrared
(NIR)-emissive
RTP-harvesting
system
in
aqueous
solution
based
on
the
stepwise
confinement
of
cucurbit[7]uril
(CB[7])
and
β-cyclodextrin-grafted
hyaluronic
acid
(HACD),
reported.
Compared
with
dodecyl-chain-bridged
6-bromoisoquinoline
derivative
(G),
dumbbell-shaped
assembly
G⊂CB[7]
presents
an
appeared
complexation-induced
RTP
signal
at
540
nm
via
first
CB[7].
Subsequently,
benefitting
from
encapsulation
β-cyclodextrin
cavity,
subsequent
polymerization
binary
enabled
by
HACD
can
contribute
to
further-enhanced
emission
intensity
approximately
eight
times
addition
increased
lifetime
59.0
µs
0.581
ms.
Moreover,
upon
doping
small
amount
two
types
dyes,
Nile
blue
or
tetrakis(4-sulfophenyl)porphyrin
as
acceptor
into
@
HACD,
efficient
energy
transfer
occurs
accompanied
long-lived
NIR-emitting
performance
(680
710
nm)
high
donor/acceptor
ratio.
Intriguingly,
prepared
successfully
applied
for
targeted
NIR
imaging
living
tumor
cells
utilizing
targeting
ability
acid,
which
provides
new
strategy
create
advanced
water-soluble
phosphorescent
materials.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(21)
Published: Feb. 25, 2023
Time
delay
lighting
offers
an
added
period
of
buffer
illumination
for
human
eyes
upon
switching
off
the
light.
Long-lifetime
emission
from
triplet
excitons
has
outstanding
potential,
but
forbidden
transition
property
due
to
Pauli
exclusion
principle
makes
them
dark,
and
it
stays
challenging
develop
full-color
bright
excitons.
Herein,
ultraviolet
(UV)
near
infrared
(NIR)
in
carbon
nanodots
(CNDs)
is
achieved
by
confining
multicolor
CNDs
emitters
NaCNO
crystal.
crystal
can
isolate
CNDs,
quenching
caused
excited
state
electrons
aggregation
induced
energy
transfer
suppressed,
confinement
furthermore
promote
phosphorescence
inhibiting
dissipation
non-radiative
transition.
The
radiative
recombination
covers
spectral
region
300
nm
800
(NIR),
corresponding
lifetimes
reach
15.8,
818.0,
239.7,
168.4,
426.4,
127.6
ms.
Furthermore,
eco-friendly
luminescent
lampshades
are
designed
based
on
phosphorescent
time
light-emitting
diodes
thus
demonstrated.
findings
will
motivate
new
opportunities
development
UV
NIR
applications.
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
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(20)
Published: May 17, 2023
Metastasis
is
the
leading
cause
of
cancer-related
deaths;
until
now,
detection
tumor
metastasis
mainly
located
at
period
that
secondary
tumors
have
been
formed,
which
usually
results
in
poor
prognosis.
Thus,
fast
and
precise
positioning
organs,
where
metastases
are
likely
to
occur
its
earliest
stages,
essential
for
improving
patient
outcomes.
Here,
we
demonstrated
a
phosphorescence
imaging
method
by
organic
nanoparticles
detect
early
progress
with
microenvironmental
changes,
putting
ahead
formation
tumors.
In
orthotopic
simulated
hematological
models,
changes
could
be
recognized
day
3,
after
implantation
liver
or
intravenous
injection
cancer
cells.
It
was
far
those
other
reported
methods
least
7
days
later,
providing
sensitive
convenient
monitor
stage.
Industrial Chemistry and Materials,
Journal Year:
2023,
Volume and Issue:
1(4), P. 582 - 594
Published: Jan. 1, 2023
A
summary
of
recent
progress
with
the
application
organic
room-temperature
phosphorescent
materials
in
luminescence
and
display,
environmental
detection
bioimaging.
