Small,
Journal Year:
2023,
Volume and Issue:
19(10)
Published: Jan. 15, 2023
Abstract
Optical
information
encryption
and
safety
have
aroused
great
attention
since
they
are
closely
correlated
to
data
protection
safety.
The
development
of
multiple
stimuli‐response
optical
materials
for
constructing
large‐capacity
is
very
important
practical
applications.
Carbon
dots
(CDs)
many
gratifying
merits,
such
as
polychromatic
emission,
diverse
luminous
categories,
stable
physicochemical
properties,
considered
one
the
most
ideal
candidates
protection.
Herein,
carbon
core,
functional
groups,
solvents,
other
crucial
factors
reviewed
outputting
emission
categories.
In
particular,
substrate
engineering
strategies
been
emphasized
their
critical
role
in
yielding
excellent
features
High‐capacity
by
relying
on
rich
properties
CDs,
categories
fluorescence,
afterglow,
upconversion,
well
external‐stimuli‐assisted
changes.
Some
perspectives
preparing
CDs
further
developing
security
proposed.
This
review
provides
a
good
reference
manipulation
next‐generation
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(41)
Published: June 13, 2023
Abstract
Carbon
dots
(CDs)—carbon
nanoparticles
smaller
than
10
nm—have
attracted
widespread
attention
owing
to
their
excellent
optical
properties.
However,
high‐performing
CDs
often
suffer
from
severe
aggregation‐induced
quenching
in
the
solid
state,
which
limits
commercial
applicability.
Therefore,
CD
materials
with
efficient
solid‐state
luminescence
are
sought.
As
research
on
structure
and
photoluminescence
mechanisms
of
has
intensified
recent
years,
strategies
construct
fluorescent
tune
emissions
have
broadened.
This
article
reviews
advances
for
attaining
fluorescence
CDs,
describes
specific
ways
properties
this
fluorescence,
introduces
latest
applications
resulting
optoelectronics,
biology,
sensing,
finally
considers
prospects
future
application
current
challenges
facing
development
CDs.
