ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(17), P. 20889 - 20896
Published: Sept. 3, 2024
Phosphor-converted
white-emitting
diodes
(WLEDs)
have
become
a
strong
competitor
for
the
next
generation
of
solid-state
lighting
sources,
and
carbon
nanodots
(CNDs)
are
go-to
choice
nanomaterial
white
phosphor
development
thanks
to
their
superior
properties.
However,
it
is
still
challenging
prepare
single-component
white-light-emitting
(SCWLE)
CNDs
that
most
promising
CNDs-based
WLED
development.
In
this
report,
rational
approach
preparation
SCWLE
was
reported
further
advance
current
field.
Specifically,
were
rationally
prepared
by
exploiting
one-pot
synthesis
in
which
precursors
red,
green,
blue
situ
treated
under
an
identical
reaction.
Taking
advantage
CNDs,
WLEDs
emitting
warm
light
with
CIE
coordinate
(0.39,
0.37),
CCT
3732K,
extremely
high
CRI
95.4
successfully
constructed.
Furthermore,
device
also
demonstrated
robust
photoluminescence
stability
different
operating
conditions,
highlighting
practical
application
potential
technology.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 6, 2024
Abstract
Afterglow
materials
have
attracted
much
attention
owing
to
their
long
luminescence
lifetimes,
large
Stokes
shifts,
and
emission
without
real‐time
excitation.
Compared
with
traditional
organic
afterglow
materials,
carbon
dots
(CDs),
as
a
new
material,
superior
properties
such
easy
preparation,
low
toxicity,
cost.
The
color
of
CDs
can
be
regulated
by
external
factors
excitation
wavelength,
temperature,
time,
which
is
highly
significant
for
expanding
the
diversified
applications
make
them
available
biotechnology
information
applications.
This
review
summarizes
research
progress
multicolor
in
recent
years,
including
regulation
strategies,
preparation
methods,
First,
are
classified
into
three
strategies:
room
temperature
phosphorescence
(RTP),
thermally
activated
delayed
fluorescence
converted
RTP,
based
on
Förster
resonance
energy
transfer,
strategies
regulating
analyzed.
Second,
methods
achieving
summarized
both
matrix‐free
matrix‐confined
aspects.
Then,
anticounterfeiting
encryption,
sensing
bioimaging
introduced
detail.
Finally,
future
challenges
opportunities
prospected
provide
ideas
controlled
design
wide
application.
