ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(6), С. 6681 - 6690
Опубликована: Март 5, 2024
Long-lived
thermally
activated
delayed
fluorescence
(TADF)
emission
has
gained
extensive
attention
due
to
its
potential
application
in
information
encryption,
illumination,
and
bioimaging.
However,
developing
visible
light-excited
TADF
materials
is
still
a
significant
challenge.
Herein,
light
triggered
was
achieved
by
embedding
chlorine
doped
carbon
dots
(Cl-CDs)
into
g-C3N4
nanosheet
matrix
through
simple
microwave
treatment.
The
strong
electron-withdrawing
effect
of
the
dropping
redshifts
excitation
wavelength,
covalent
bonds
between
Cl-CDs
significantly
stabilize
triplet
state.
Green
with
peak
at
520
nm
could
be
obtained
Cl-CD
composite
when
excited
UV
light,
afterglow
signal
can
observed
naked
eye
for
up
5
s
after
mobile
phone
flashlight
irradiation.
also
exhibited
temperature-responsive
color
stability
under
Consequently,
successfully
employed
concepts
encryption
single-component
time
delay
WLED
development.
This
research
provides
strategies
that
may
motivate
applied
advanced
illumination
areas.
Chemical Society Reviews,
Год журнала:
2023,
Номер
53(2), С. 606 - 623
Опубликована: Дек. 15, 2023
This
review
highlights
the
recent
advances
and
discusses
challenges
perspectives
of
stimulus-responsive
polymer
(SRP)-based
information-storage
materials,
which
exhibit
multi-mode
or
multi-level
anti-counterfeiting
performance.
Chemical Reviews,
Год журнала:
2023,
Номер
123(18), С. 11047 - 11136
Опубликована: Сен. 7, 2023
Advances
in
nanotechnology
and
nanomaterials
have
attracted
considerable
interest
play
key
roles
scientific
innovations
diverse
fields.
In
particular,
increased
attention
has
been
focused
on
carbon-based
exhibiting
extended
structures
unique
properties.
Among
these
materials,
zero-dimensional
structures,
including
fullerenes,
carbon
nano-onions,
nanodiamonds,
dots,
possess
excellent
bioaffinities
superior
fluorescence
properties
that
make
suitable
for
application
to
environmental
biological
sensing,
imaging,
therapeutics.
This
review
provides
a
systematic
overview
of
the
classification
structural
properties,
design
principles
preparation
methods,
optical
sensing
applications
nanomaterials.
Recent
interesting
breakthroughs
sensitive
selective
imaging
heavy
metal
pollutants,
hazardous
substances,
bioactive
molecules
as
well
information
encryption,
super-resolution
photoacoustic
phototherapy
nanomedicine
delivery
are
main
focus
this
review.
Finally,
future
challenges
prospects
materials
highlighted
envisaged.
presents
comprehensive
basis
directions
designing,
developing,
applying
fascinating
fluorescent
sensors
fabricated
based
specific
requirements
numerous
research
Molecules,
Год журнала:
2023,
Номер
28(6), С. 2772 - 2772
Опубликована: Март 19, 2023
Carbon
quantum
dots
are
the
materials
of
a
new
era
with
astonishing
properties
such
as
high
photoluminescence,
chemical
tuneability
and
biocompatibility.
Since
their
discovery,
carbon
have
been
described
nanometric
high-fluorescent
nanoparticles,
but
this
definition
has
become
weaker
year
after
year.
Nowadays,
classification
physical
explanation
optical
structure
remain
matter
debate.
In
review,
we
provide
clear
discussion
on
these
points,
providing
starting
point
for
rationalization
comprehensive
view
features
dots.
Chemical Science,
Год журнала:
2023,
Номер
14(14), С. 3705 - 3729
Опубликована: Янв. 1, 2023
Carbon
dot-based
room
temperature
phosphorescence
materials
are
reported,
mainly
focusing
on
the
outstanding
contributions
over
years,
emission,
lifetime,
preparation
and
application.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(37)
Опубликована: Март 7, 2024
Abstract
Comprehensive
research
into
afterglow
emission
in
the
near‐infrared
(NIR)
region
of
carbon
dots
(CDs)
is
currently
lacking.
In
this
study,
highly
efficient
multicolor
CDs
are
synthesized
with
fluorescence
from
blue
to
NIR
using
Rhodamine
6G.
Boron
oxide
(B
2
O
3
)
employed
as
a
matrix
for
encapsulating
and
confining
CDs,
inhibiting
triplet
exciton
quenching.
Furthermore,
structural
rigidity
enhanced
due
formation
carbon‐boron
(C─B)
covalent
bonds
between
B
,
achieving
tunable
ranging
463
722
nm
lifetimes
up
801
ms.
The
green–yellow
composite
exhibits
an
impressive
quantum
yield
37.67%
while
demonstrating
thermally
activated
delayed
(TADF).
Thus,
coated
onto
alternating‐current
light‐emitting
diode
(BAC‐LED)
fabricate
white
AC‐LED,
which
successfully
prepared
Commission
Internationale
de
L'Eclairage
(CIE)
at
coordinates
(0.32,
0.34),
accompanied
by
color
rendering
index
(CRI)
reaching
81.1.
bright
compensates
zero‐point
flickering
BAC‐LED,
resulting
stable
gentle
emission.
potential
applications
these
luminescent
materials
optoelectronic
devices
undoubtedly
widened
remarkable
advancement.
