Carbon Energy,
Journal Year:
2022,
Volume and Issue:
4(1), P. 88 - 114
Published: Jan. 1, 2022
Abstract
Fluorescent
carbon
dots
(CDs)
have
recently
become
a
research
hotspot
in
multidisciplinary
fields
owing
to
their
distinctive
advantages,
including
outstanding
photoluminescence
properties,
high
biocompatibility,
low
toxicity,
and
abundant
raw
materials.
Among
the
promising
CDs,
narrow‐bandwidth
emissive
CDs
with
color
purity
emerged
as
rising
star
recent
years
because
of
significant
potential
applications
bioimaging,
information
sensing,
photoelectric
displays.
In
this
review,
state‐of‐the‐art
advances
are
systematically
summarized,
factors
influencing
emission
bandwidth,
preparation
methods,
described
detail.
Besides,
existing
challenges
future
perspectives
for
achieving
high‐performance
also
discussed.
This
overview
paper
is
expected
generate
more
interest
promote
rapid
development
area.
Nanomaterials,
Journal Year:
2021,
Volume and Issue:
11(12), P. 3419 - 3419
Published: Dec. 16, 2021
Carbon
dots
(CDs)
are
known
as
the
rising
star
of
carbon-based
nanomaterials
and,
by
virtue
their
unique
structure
and
fascinating
properties,
they
have
attracted
considerable
interest
in
different
fields
such
biological
sensing,
drug
delivery,
photodynamic
therapy,
photocatalysis,
solar
cells
recent
years.
Particularly,
outstanding
electronic
optical
properties
CDs
increasing
attention
biomedical
photocatalytic
applications
owing
to
low
toxicity,
biocompatibility,
excellent
photostability,
tunable
fluorescence,
efficient
up-converted
photoluminescence
behavior,
photo-induced
electron
transfer
ability.
This
article
reviews
progress
on
synthesis
routes
well
applications.
Furthermore,
we
discuss
an
outlook
future
potential
development
based
biosensor,
dye,
vehicle,
photocatalysts
this
booming
research
field.
Small Science,
Journal Year:
2022,
Volume and Issue:
2(6)
Published: May 8, 2022
Carbon
dots
(CDs),
comprising
crystalline
graphitized
carbon
cores
and
polymer
surface
groups,
are
currently
attracting
a
lot
of
interest
in
biological
fields
owing
to
their
fluorescent
properties,
high
photostability,
biocompatibility
low
toxicity.
In
addition,
the
easy
preparation
functionalization
CDs
stimulate
development
CDs‐based
composite
materials
with
specific
functions.
Presently,
applications
growing
at
remarkable
speed,
justifying
need
for
up‐to‐date
review
articles
that
capture
recent
progress
this
blossoming
field.
review,
breakthroughs
synthesis,
modification,
optical
toxicology
biocatalytic
platforms
described.
Further,
research
related
bioimaging,
biosensing,
drug
delivery,
antibacterial,
anticancer
(photothermal
therapy,
photodynamic
therapy
synergistic
therapy)
antiviral
therapies
involving
discussed
detail.
Finally,
perspective
on
prospects
challenges
biomedicine
biotechnology
is
provided.
Carbon Trends,
Journal Year:
2023,
Volume and Issue:
12, P. 100276 - 100276
Published: June 8, 2023
Carbon
dots
(CDs)
refer
to
a
class
of
carbon-based
nanoparticles
with
various
subgroups
based
on
their
crystallinity
and
morphology.
CDs
offer
tuneable
physical,
chemical,
optical
properties,
which
can
be
controlled
using
simple
one-pot
synthesis
techniques.
In
addition,
non-toxicity,
biocompatibility,
chemical
physical
responsiveness,
resistance
photo-
chemical-bleaching
low
cost
pave
the
way
wide
range
applications.
The
achieved
via
two
approaches:
(i)
top-down
methods,
(ii)
bottom-up
methods.
These
approaches
designed
generate
intended
structures
specific
band
gap,
hetero-atom
doping,
functionality.
Further
ongoing
research
enables
us
understand
relationship
between
structural
properties
CDs.
photoluminescence
depends
parameters
including
starting
materials,
surface
states,
heteroatom
doping
etc.
Herein,
we
review
such
as
optical,
resulting
from
particles
design.
Also,
proposed
applications
biomedicine,
light
emitting
diodes,
anticounterfeiting,
sensing
are
presented,
where
main
challenges
in
strategies
overcome
these
introduced.
Carbon
dots
are
luminescent
carbonaceous
nanoparticles
that
can
be
endowed
with
chiral
properties,
making
them
particularly
interesting
for
biomedical
applications
due
to
their
low
cytotoxicity
and
facile
synthesis.
In
recent
years,
synthetic
efforts
leading
carbon
other
attractive
optical
properties
such
as
two-photon
absorption
circularly
polarized
light
emission
have
flourished.
We
start
this
review
by
introducing
examples
of
molecular
chirality
its
origins
providing
a
summary
chiroptical
spectroscopy
used
characterization.
Then
approaches
induce
in
nanomaterials
reviewed.
the
main
part
we
focus
on
dots,
fabrication
techniques
bottom-up
top-down
chemical
syntheses,
morphology,
optical/chiroptical
properties.
then
consider
emerging
sensing,
bioimaging,
catalysis,
conclude
future
challenges.
Small,
Journal Year:
2022,
Volume and Issue:
18(51)
Published: Nov. 3, 2022
Abstract
As
a
relatively
new
type
of
fluorescent
carbon‐based
nanomaterials,
multicolor
carbon
dots
(MCDs)
have
attracted
much
attention
because
their
excellent
biocompatibility,
tunable
photoluminescence
(PL),
high
quantum
yield,
and
unique
electronic
physicochemical
properties.
The
emission
characteristics
(CDs)
obviously
depend
on
the
source
precursor,
reaction
conditions,
environment,
which
directly
or
indirectly
determines
CDs.
Therefore,
this
review
is
first
systematic
classification
summary
multiple
regulation
methods
synthetic
MCDs
reviews
recent
research
progress
in
synthesis
from
variety
precursor
materials
such
as
aromatic
molecules,
small
organic
natural
biomass,
focusing
how
different
produce
corresponding
MCDs.
This
also
introduces
innovative
applications
fields
biological
imaging,
light‐emitting
diodes
(LEDs),
sensing,
anti‐counterfeiting
due
to
PL
It
hoped
that
by
selecting
appropriate
adjustment
methods,
can
inspire
guide
future
design
tailored
MCDs,
provide
help
for
development
multifunctional
Chemical Reviews,
Journal Year:
2022,
Volume and Issue:
122(15), P. 12495 - 12543
Published: June 27, 2022
Super-resolution
imaging
techniques
that
overcome
the
diffraction
limit
of
light
have
gained
wide
popularity
for
visualizing
cellular
structures
with
nanometric
resolution.
Following
pace
hardware
developments,
availability
new
fluorescent
probes
superior
properties
is
becoming
ever
more
important.
In
this
context,
nanoparticles
(NPs)
attracted
increasing
attention
as
bright
and
photostable
address
many
shortcomings
traditional
probes.
The
use
NPs
super-resolution
a
recent
development
provides
focus
current
review.
We
give
an
overview
different
methods
discuss
their
demands
on
NPs.
then
review
in
detail
features,
strengths,
weaknesses
each
NP
class
to
support
these
applications
provide
examples
from
utilization
various
biological
systems.
Moreover,
we
outlook
future
field
opportunities
material
science
multiplexed
subcellular
Small,
Journal Year:
2022,
Volume and Issue:
18(16)
Published: Jan. 27, 2022
Abstract
Ultrasmall
nanoparticles
are
often
grouped
under
the
broad
umbrella
term
of
“nanoparticles”
when
reported
in
literature.
However,
for
biomedical
applications,
their
small
sizes
give
them
intimate
interactions
with
biological
species
and
endow
unique
functional
physiochemical
properties.
Carbon
quantum
dots
(CQDs)
an
emerging
class
ultrasmall
which
have
demonstrated
considerable
biocompatibility
been
employed
as
potent
theragnostic
platforms.
These
particles
find
application
increasing
drug
solubility
targeting,
along
facilitating
passage
drugs
across
impermeable
membranes
(i.e.,
blood
brain
barrier).
Further
functionality
can
be
triggered
by
various
environmental
conditions
or
external
stimuli
pH,
temperature,
near
Infrared
(NIR)
light,
ultrasound),
intrinsic
fluorescence
is
valuable
diagnostic
applications.
The
focus
this
review
to
shed
light
on
therapeutic
potential
CQDs
identify
how
they
travel
through
body,
reach
site
action,
administer
effect,
excreted.
Investigation
into
toxicity
compatibility
larger
nanoparticle
carriers
also
examined.
future
applications
promising
due
multifunctional
attributes
documented
biocompatibility.
As
nanomaterial
platforms
become
more
commonplace
clinical
treatments,
commercialization
CQD
therapeutics
anticipated.
