Long-lived dynamic room temperature phosphorescent carbon dots for advanced sensing and bioimaging applications
Coordination Chemistry Reviews,
Год журнала:
2024,
Номер
516, С. 215987 - 215987
Опубликована: Май 31, 2024
Язык: Английский
Recent advances in fluorescence and afterglow of CDs in matrices
Nanoscale Horizons,
Год журнала:
2024,
Номер
9(7), С. 1072 - 1098
Опубликована: Янв. 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.
Язык: Английский
Preparation of Multicolor Room-Temperature Phosphorescence Carbon Dots by Changing the Conjugation Degree of Precursors for Information Encryption
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(9), С. 14425 - 14432
Опубликована: Фев. 20, 2025
Room
temperature
phosphorescence
(RTP)
materials
have
attracted
considerable
attention,
because
of
their
outstanding
properties
and
a
wide
array
potential
applications.
However,
achieving
control
over
the
emission
color
RTP
still
presents
certain
challenges.
In
this
article,
carbon
dots
(CDs)
three
distinct
colors
were
synthesized
through
simple
host-guest
doping
strategy.
Blue
CDs
(B-CDs)
obtained
by
using
phenylboronic
acid
as
guest
phosphors
B2O3
host
protect
matrix,
an
ultralong
lifetime
(up
to
1.597
s).
Under
254
nm
light
excitation,
blue
for
14
s
B-CDs
can
be
visually
observed.
By
increasing
conjugation
degree
precursor
molecules
introducing
4-(1-naphthyl)
naphthalene-1-boronic
pyren-1-ylboronic
phosphors,
green
(G-CDs)
red
(R-CDs)
obtained,
respectively.
Theoretical
calculations
band
gap
analyses
suggest
that
larger
conjugated
structures
reduce
HOMO-LUMO
energy
level
difference,
thereby
causing
redshift
in
wavelength.
Last,
these
multicolor
composite
applied
information
encryption.
Язык: Английский
Synthesis and physicochemical properties of visible-light-excited carbon dots: impact of sugar ring structure and surface chemistry
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(31), С. 11916 - 11927
Опубликована: Янв. 1, 2024
We
aimed
to
enhance
the
fluorescence
quantum
yield
of
sugar-derived
carbon
dots
along
with
tuning
excitation
wavelength
visible
region
via
a
surface
modification
method
simple
acids.
Язык: Английский
Solvothermal Synthesis of Carbon Dots with Alkynyl Ligand for pH and Resveratrol Detection
Russian Journal of General Chemistry,
Год журнала:
2024,
Номер
94(7), С. 1710 - 1719
Опубликована: Июль 1, 2024
Язык: Английский
Room temperature phosphorescent carbon dot composites in aqueous solutions: synthesis, properties, and tumor diagnosis and therapy
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 157825 - 157825
Опубликована: Ноя. 1, 2024
Язык: Английский
Multiple Atoms Doped Carbon Dots with Room Temperature Phosphorescence for Anticounterfeiting and Information Encryption
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 9, 2024
Carbon
dots
(CDs)
with
room
temperature
phosphorescence
(RTP)
have
emerged
as
popular
luminescent
materials
in
recent
years.
RTP
CDs
a
wide
range
of
applications
several
fields,
such
anticounterfeiting,
information
encryption,
sensors,
and
optoelectronics,
due
to
their
excellent
optical
properties,
simple
preparation
process,
etc.
Therefore,
it
is
significant
develop
long
lifetime
outstanding
intensity.
In
the
present
work,
N,
P,
B
atoms
codoped
into
(N,
B-CDs)
were
synthesized
by
green
one-step
hydrothermal
method
using
arginine,
phosphoric
acid,
boric
acid
precursors.
The
dense
cross-linked
network
generated
carbonization
effect
codoping
multiple
endowed
B-CDs
properties.
Under
UV
light,
showed
blue
fluorescence,
after
removal
afterglow
visible
naked
eye
was
still
persisted
for
about
12
s.
absolute
photoluminescence
quantum
yield
(QY)
15.89%
902
ms,
respectively,
indicating
long-lifetime
CDs.
Finally,
this
work
exemplified
remarkable
effectiveness
anticounterfeiting
encryption.
This
provides
an
idea
efficient
strategy
field
anticounterfeiting.
Язык: Английский