Chemical Reviews,
Год журнала:
2022,
Номер
122(16), С. 13709 - 13799
Опубликована: Авг. 10, 2022
Carbon
nanodots
(CNDs)
are
the
latest
and
most
shining
rising
stars
among
photoluminescent
(PL)
nanomaterials.
These
carbon-based
surface-passivated
nanostructures
compete
with
other
related
PL
materials,
including
traditional
semiconductor
quantum
dots
organic
dyes,
a
long
list
of
benefits
emerging
applications.
Advantages
CNDs
include
tunable
inherent
optical
properties
high
photostability,
rich
possibilities
for
surface
functionalization
doping,
dispersibility,
low
toxicity,
viable
synthesis
(top-down
bottom-up)
from
materials.
can
be
applied
to
biomedicine
imaging
sensing,
drug-delivery,
photodynamic
therapy,
photocatalysis
but
also
energy
harvesting
in
solar
cells
as
LEDs.
More
applications
reported
continuously,
making
this
already
research
field
its
own.
Understanding
requires
one
go
levels
electrons,
atoms,
molecules,
at
different
scales
using
modern
molecular
modeling
correlate
it
tightly
experiments.
This
review
highlights
silico
techniques
studies,
chemistry
mesoscale,
particular
reference
carbon
nanodots,
carbonaceous
nanoparticles
whose
structural
photophysical
not
fully
elucidated.
The
role
experimental
investigation
is
presented.
Hereby,
we
hope
encourage
reader
investigate
apply
virtual
obtain
further
insights
needed
customize
these
amazing
systems
novel
prospective
Materials Advances,
Год журнала:
2021,
Номер
2(6), С. 1821 - 1871
Опубликована: Янв. 1, 2021
Nanomaterials
have
emerged
as
an
amazing
class
of
materials
that
consists
a
broad
spectrum
examples
with
at
least
one
dimension
in
the
range
1
to
100
nm.
Abstract
Despite
the
various
synthesis
methods
to
obtain
carbon
dots
(CDs),
bottom‐up
are
still
most
widely
administrated
route
afford
large‐scale
and
low‐cost
synthesis.
However,
as
CDs
developed
with
increasing
reports
involved
in
producing
many
CDs,
structure
property
features
have
changed
enormously
compared
first
generation
of
raising
classification
concerns.
To
this
end,
a
new
named
carbonized
polymer
(CPDs),
is
summarized
according
analysis
features.
Here,
CPDs
revealed
an
emerging
class
distinctive
polymer/carbon
hybrid
structures
properties.
Furthermore,
deep
insights
into
effects
on
structure/property
provided.
Herein,
also
detail,
conditions
terms
properties
discussed
analyzed
comprehensively.
Insights
formation
process
nucleation
mechanism
offered.
Finally,
perspective
future
development
proposed
critical
facilitating
their
potential
application
fields.
Abstract
Herein,
we
present
the
synthesis
of
mono-dispersed
C-QDs
via
single-step
thermal
decomposition
process
using
fennel
seeds
(
Foeniculum
vulgare
).
As
synthesized
have
excellent
colloidal,
photo-stability,
environmental
stability
(pH)
and
do
not
require
any
additional
surface
passivation
step
to
improve
fluorescence.
The
show
PL
activity
excitation-independent
emission.
Synthesis
C-QDs,
best
our
knowledge,
natural
carbon
source
pyrolysis
has
never
been
achieved
before.
effect
reaction
time
temperature
on
provides
insight
into
C-QDs.
We
used
Machine-learning
techniques
(ML)
such
as
PCA,
MCR-ALS,
NMF-ARD-SO
in
order
provide
a
plausible
explanation
for
origin
mechanism
as-synthesized
ML
are
capable
handling
analyzing
large
data-set,
institutively
recommend
excitation
wavelength
analysis.
Mono-disperse
highly
desirable
range
potential
applications
bio-sensing,
cellular
imaging,
LED,
solar
cell,
supercapacitor,
printing,
sensors.
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(22), С. 12616 - 12655
Опубликована: Янв. 1, 2021
Mechanisms,
recent
advancements
and
perspectives
concerning
nonconventional
luminophores
free
of
classic
conjugates
but
with
intrinsic
photoluminescence
are
discussed.
Nanomaterials,
Год журнала:
2020,
Номер
10(9), С. 1700 - 1700
Опубликована: Авг. 29, 2020
Nanomaterials,
such
as
nanoparticles,
nanorods,
nanosphere,
nanoshells,
and
nanostars,
are
very
commonly
used
in
biomedical
imaging
cancer
therapy.
They
make
excellent
drug
carriers,
contrast
agents,
photothermal
photoacoustic
radiation
dose
enhancers,
among
other
applications.
Recent
advances
nanotechnology
have
led
to
the
use
of
nanomaterials
many
areas
functional
imaging,
therapy,
synergistic
combinational
platforms.
This
review
will
systematically
explore
various
applications
The
medical
modalities
include
magnetic
resonance
computed
tomography,
positron
emission
single
photon
computerized
optical
ultrasound,
imaging.
Various
therapeutic
methods
also
be
included,
including
photodynamic
chemotherapy,
immunotherapy.
covers
theranostics,
which
same
agent
diagnosis
includes
recent
multimodality
image-guided
combination
We
found
that
continuous
synthesis
design
novel
enhance
future
development
However,
more
resources
should
available
examine
side
effects
cell
toxicity
when
using
humans.
Advanced Functional Materials,
Год журнала:
2020,
Номер
31(1)
Опубликована: Сен. 18, 2020
Abstract
Severe
disease
and
environmental
pollution
derived
from
heavy
metal
ions
has
become
one
of
the
major
problems
in
global
public
health.
In
particular,
mercury(II)
as
type
highly
poisonous
pollutant
can
destroy
human
metabolism,
central
nervous
system,
immune
representing
a
critical
threat
to
living
systems.
Therefore,
exploitation
new
strategies
for
designing
synthesizing
eco‐friendly,
efficient,
economical
materials
selective
detection
removal
Hg
2+
is
great
importance.
Among
various
measures
sensing,
detection,
mercury
ions,
advanced
functional
systems
including
nanomaterials,
polymers,
aggregation‐induced
emission
luminogens,
porous
have
attracted
considerable
attention
over
past
years
due
their
capabilities
real‐time
rapid
removal,
anti‐interference,
quick
response,
high
selectivity,
low
limit
detection.
this
review,
some
efficient
techniques
aqueous
solutions
using
abovementioned
are
overviewed
ways
which
these
material
used
tackle
problem
also
discussed.
