Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
We
review
multicolor
solid-state
fluorescence
and
afterglow
carbon
dots
(CDs)
in
perspectives
of
synthesis
methods,
luminescence
modulation
mechanisms,
applications.
Nanoscale Horizons,
Journal Year:
2024,
Volume and Issue:
9(7), P. 1072 - 1098
Published: Jan. 1, 2024
Carbon
dots
(CDs)
are
novel
nanomaterials
with
dimensions
less
than
10
nm
that
have
attracted
much
attention
due
to
their
outstanding
optical
properties.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(15)
Published: April 1, 2025
Abstract
Multicolor
carbon
dots
(CDs)
have
emerged
promising
fluorescent
nanomaterials
and
their
unique
fluorescence
properties
been
widely
studied
in
the
field
of
optoelectronics.
However,
there
are
still
great
challenges
preparing
fluorescently
tunable
multicolor
CDs
that
work
stably
visible
spectrum.
In
this
work,
were
prepared
using
low‐cost
citric
acid
urea
as
main
precursors
through
a
simple
one‐step
solvothermal
method.
Red,
green,
blue
(R‐CDs,
G‐CDs,
B‐CDs)
with
stable
optical
by
changing
solvent
to
N,
N‐dimethylformamide,
ethanol,
water,
respectively.
achieved
full
coverage
emission
wavelengths
from
short
long
wavelength,
QY
values
5.87%,
13.18%,
15.89%.
The
analysis
chemical
structure
showed
mechanism
was
mainly
attributed
C═O
content
(4.90%,
7.65%
8.26%
for
R‐CDs,
B‐CDs),
different
proportions
pyrrolic
N
(4.95%,
4.32%
3.47%
B‐CDs,
respectively)
degree
graphitization
causing
redshift
wavelength.
Finally,
based
on
polymer
matrix
luminescence
CDs,
application
light‐emitting
diodes
(LEDs)
devices
latent
fingerprint
detection
(LFP)
achieved.
ChemPhotoChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 23, 2024
Abstract
The
3‐level
features
of
Latent
fingerprints
(LFPs)
are
pivotal
in
linking
suspects
with
problematic
or
incomplete
fingerprint
data,
constituting
one
the
most
robust
forms
evidence.
Aggregation‐induced
emission
(AIE)
materials,
known
for
their
heightened
emissive
properties
high
aggregation
states,
provide
a
and
powerful
approach
developing
techniques
details
LFPs.
So
far,
tremendous
efforts
have
been
devoted
to
solving
background
fluorescence
interference
during
LFPs
visualization
process.
This
review
commences
an
overview
summarizes
interaction
mechanism
visualizing
involving
AIE
materials
secretions.
Moreover,
it
encompasses
strategies
enhance
contrast
brightness
images.
We
highlight
AIE′s
physicochemical
effects
on
Additionally,
we
insights
into
potential
challenges
opportunities
this
emerging
field.
Egyptian Journal of Forensic Sciences,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 1, 2024
Abstract
Background
Fingermarks
are
one
of
the
oldest,
reliable,
and
universally
accepted
evidence
found
on
crime
scene.
They
can
be
used
to
link
suspect
with
scene
weapon
offence.
frequently
investigate
criminal
cases
identify
missing
persons
criminals.
Main
text
Conventional
methods
such
as
cyanoacrylate
fuming,
iodine
ninhydrin,
silver
nitrate,
small
particle
reagent,
powder
dusting
routinely
detect
develop
latent
fingermarks
various
surfaces
forensic
importance.
However,
these
suffer
several
limitations
including
poor
contrast,
low
sensitivity,
background
interference,
specificity.
To
overcome
limitations,
nowadays,
nanoparticles
have
gained
importance
in
development
fingermarks.
In
this
review,
we
focus
carbon
dots
(CD's)
nanomaterial
for
CD’s
superior
fluorescence
performance,
color
tuneability,
synthesis
cost
non-toxic.
The
intensity
luminescence
CD's
depend
its
morphology
method.
either
solid
or
solution
form
porous
nonporous
surfaces.
Conclusion
potentially
a
good
candidate
wide
range
items
fingerprints
developed
show
excellent
contrast
resolution.
Their
size,
biocompatibility,
facile
low-cost
synthesis,
tuneability
successfully
utilized
conventional
methods.
International Journal of Innovative Science and Research Technology (IJISRT),
Journal Year:
2024,
Volume and Issue:
unknown, P. 2720 - 2726
Published: Aug. 12, 2024
Fingerprint
is
a
famous
tool
for
identifying
the
identity
of
people
by
using
ten
fingers,
which
should
be
left
traced
remaining
materials,
and
that
could
achieved
specific
chemical
compounds
made
as
developer
reagents.
In
this
review,
we
mention
some
are
used
developing
fingerprints
include
inorganic
organic
materials
in
classic
Nano
size.
The
reported
work
pristine
samples
such
SiO2
carbon
dote
or
hybrid
with
to
produce
new
physio-chemical
properties
able
interact
trace
fingerprints.