Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Abstract
Highly
luminescent
carbon
dots
(CDs)
have
garnered
significant
attention
and
are
increasingly
utilized
in
various
fields.
Despite
its
importance,
there
has
been
a
lack
of
comprehensive
reviews
focusing
specifically
on
highly
CDs.
It
is
aimed
here
to
fill
that
gap
by
exploring
CDs
with
high
photoluminescence
quantum
yield
(PLQY),
starting
an
examination
the
mechanisms
underlying
The
selection
synthetic
raw
materials
preparation
methods
along
research
progress
reviewed
information
across
bands
then
statistically
summarized
several
tables.
Subsequently,
structural
features,
synthesis
methods,
purification
strategies
lead
PLQY
based
analyzing
collected
examples
Furthermore,
luminescent‐based
multifunctional
applications
bioimaging,
light‐emitting
diodes,
solar
concentrators,
lasers
introduced.
Finally,
current
landscape
evaluated,
existing
challenges
identified,
feasible
directions
proposed
for
future
development.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
The
effective
control
over
the
self-assembly
process
of
carbon
dots
(CDs)
and
their
cluster
luminescence
in
aggregated
state
is
paramount
significance
challenge.
This
study,
for
first
time,
systematically
explores
photoluminescent
behavior
CDs
state,
which
less
understood
compared
to
discrete
state.
By
investigating
effects
concentration
solvent
environment,
it's
demonstrated
that
could
exhibit
dual
emission
properties,
shifting
from
blue
particle
emissions
red
as
they
aggregate.
key
this
tunable
lies
hydrogen
bonding,
drives
modulates
photo
physical
properties.
These
findings
reveal
through
precise
aggregation,
can
be
engineered
advanced
optoelectronic
applications,
including
light-emitting
diodes
(LEDs),
secure
information
encryption,
fingerprint
authentication.
report
not
only
deepens
understanding
underlying
mechanisms
governing
CDs'
but
also
introduces
a
novel
approach
exploiting
unique
properties
technological
innovation.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(4), P. 774 - 774
Published: Feb. 7, 2025
Carbon
dots
(CDs),
a
versatile
class
of
fluorescent
carbon-based
nanomaterials,
have
attracted
widespread
attention
due
to
their
exceptional
optical
properties,
biocompatibility,
and
cost-effectiveness.
Their
applications
span
biomedicine,
optoelectronics,
smart
food
packaging,
yet
large-scale
synthesis
remains
significant
challenge.
This
review
categorizes
methods
into
liquid-phase
(hydrothermal/solvothermal,
microwave-assisted,
magnetic
hyperthermia,
aldol
condensation
polymerization),
gas-phase
(plasma
synthesis),
solid-phase
(pyrolysis,
oxidation/carbonization,
ball
milling),
emerging
techniques
(microfluidic,
ultrasonic,
molten-salt).
Notably,
microwave-assisted
solid-state
show
promise
for
industrial
production
scalability
efficiency.
Despite
these
advances,
challenges
persist
in
optimizing
reproducibility,
reducing
energy
consumption,
developing
purification
quality
control
strategies.
Addressing
issues
will
be
critical
transitioning
CDs
from
laboratory
research
real-world
applications.
Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: March 10, 2024
Carbon
dots
(CDs),
a
class
of
carbon-based
nanomaterials
with
dimensions
less
than
10
nm,
have
attracted
significant
interest
since
their
discovery.
They
possess
numerous
excellent
properties,
such
as
tunability
photoluminescence,
environmental
friendliness,
low
cost,
and
multifunctional
applications.
Recently,
large
number
reviews
emerged
that
provide
overviews
synthesis,
applications,
composite
functionalization.
The
application
CDs
in
the
field
optoelectronics
has
also
seen
unprecedented
development
due
to
optical
but
them
this
are
relatively
rare.
With
idea
deepening
broadening
understanding
applications
optoelectronics,
review
for
first
time
provides
detailed
summary
luminescent
solar
concentrators
(LSCs),
light-emitting
diodes
(LEDs),
cells,
photodetectors.
In
addition,
definition,
categories,
synthesis
methods
briefly
introduced.
It
is
hoped
can
bring
scholars
more
deeper
optoelectronic
further
promote
practical
CDs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
Carbon
dots
(CDs)
are
ideal
fluorophores
for
optoelectronic
devices.
However,
it
is
still
a
great
challenge
to
obtain
CDs
with
high
solid‐state
photoluminescence
quantum
yields
(PLQYs).
In
this
work,
first
reported
that
the
barium‐doped
(Ba‐CDs),
which
can
be
simply
synthesized
on
large
scale
via
direct
one‐step
heating
approach
using
an
open
vessel.
The
as‐synthesized
Ba‐CDs
exhibit
ultrabright
luminescence
both
in
liquid
and
solid
states.
of
8.6
g
per
batch
show
Stokes
shift
≈0.68
eV
PLQYs
80.8%
66.8%
state,
respectively.
Interestingly,
efficient
fluorescence
enhancement
phenomenon
occurs
when
mixed
polyvinylpyrrolidone
(PVP),
reveals
critical
issue
compatibility
between
polymer
matrix
well
resolved.
As
proof‐of‐concept,
employed
as
high‐efficiency
luminescent
solar
concentrator
(LSC)
fabrication.
Ba‐CDs@PVP‐based
LSC
has
PLQY
88.78%,
showing
breakthrough
optical
conversion
efficiency
7.16%
power
6.87%
under
natural
light
irradiation
(40
mW
cm
−2
).
results
demonstrate
potential
application
photovoltaic
Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Jan. 8, 2024
Abstract
Building
integrated
photovoltaics
is
a
promising
strategy
for
solar
technology,
in
which
luminescent
concentrators
(LSCs)
stand
out.
Challenges
include
the
development
of
materials
sunlight
harvesting
and
conversion,
an
iterative
optimization
process
with
several
steps:
synthesis,
processing,
structural
optical
characterizations
before
considering
energy
generation
figures
merit
that
requires
prototype
fabrication.
Thus,
simulation
models
provide
valuable,
cost-effective,
time-efficient
alternative
to
experimental
implementations,
enabling
researchers
gain
valuable
insights
informed
decisions.
We
conducted
literature
review
on
LSCs
over
past
47
years
from
Web
Science
TM
Core
Collection,
including
published
research
by
our
group,
gather
features
identify
material
classes
contribute
performance.
The
dataset
can
be
further
expanded
systematically
offering
resource
decision-making
tools
device
design
without
extensive
measurements.
