Journal of Wood Chemistry and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 12
Опубликована: Дек. 27, 2024
Lignin-based
carbon/cadmium
sulfide
(LCS)
composite
photocatalytic
materials
with
excellent
porous
structures
were
prepared
by
simple
carbonization
and
in
situ
precipitation
using
lignin
from
a
wide
range
of
sources
as
carbon
source.
The
CdS
nanoparticles
uniformly
fixed
LC,
which
improved
the
sunlight
absorption
ability
good
stability
photocatalyst.
effect
different
factors
on
pore
structure
was
investigated.
results
showed
that
obtained
LCS
composites
had
maximum
specific
surface
area
(334.841
m2·g−1)
porosity
(0.4406
mL·g−1)
when
mass
ratio
(the
lignin:
templating
agent)
2:1
carried
out
at
600
°C
for
1.5
h
(LCS-600-1.5-2).
Compared
pure
CdS,
photodegradation
performance
under
simulated
(500
W
Xe
lamp)
irradiation
significantly
improved.
degradation
rate
methylene
blue
(MB)
methyl
orange/methylene
(MO/MB)
reached
91.7%
90.8%
2
h,
respectively.
material
test
has
acid–base
stability,
MB
remained
above
80%
after
5
cycles.
biomass,
dispersion
uniformity
cadmium
sulfide,
reduced
recombination
photogenic
electron
hole,
enhanced
visible
light,
greatly
expanded
application
material.
Biomass-derived
CQDs
have
emerged
as
a
promising
sustainable
alternative
to
conventional
semiconductor
quantum
dots
for
LED
applications,
offering
distinct
advantages
in
terms
of
renewability,
low
toxicity,
and
environmental
friendliness.
Sensors & Diagnostics,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
combination
of
machine
learning
techniques
with
a
set
carbon
dot
(CD)
based
pH
sensors
enables
the
identification
two
CDs
that
can
accurately
determine
values.
Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 25, 2024
Abstract
Cuprous
ions
(Cu
+
)
are
essential
for
various
biological
activities.
However,
it
is
still
a
great
challenge
to
detect
Cu
efficiently
in
cells
situ.
As
emerging
0‐D
carbon
photoluminescence
nanomaterials,
dots
(CDs)
exhibit
non‐toxicity
and
ultra
stability,
which
shows
advantages
biosensing
bioimaging.
In
this
work,
CDs
prepared
by
one‐step
microwave‐assisted
hydrothermal
method.
To
enhance
the
selectivity
efficiency
of
CDs‐based
sensor,
NS
4
‐CDs
synthesized
surface
modification
using
chelating
molecules.
The
‐CDs,
that
carry
specific
detection
molecules,
remarkable
high
sensitivity
with
an
extraordinarily
low
limit
(26
nmol
L
−1
).
It
noteworthy
response
extremely
fast,
only
takes
20
s.
PL
mechanism
also
thoroughly
investigated.
addition,
possess
biocompatibility
non‐cytotoxicity,
vital
advanced
cellular
imaging
applications.
Finally,
successfully
applied
This
work
paves
new
path
design
efficient
construction
biosensors
ion
cells,
expands
application
area
nanomaterials.
Journal of Wood Chemistry and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 12
Опубликована: Дек. 27, 2024
Lignin-based
carbon/cadmium
sulfide
(LCS)
composite
photocatalytic
materials
with
excellent
porous
structures
were
prepared
by
simple
carbonization
and
in
situ
precipitation
using
lignin
from
a
wide
range
of
sources
as
carbon
source.
The
CdS
nanoparticles
uniformly
fixed
LC,
which
improved
the
sunlight
absorption
ability
good
stability
photocatalyst.
effect
different
factors
on
pore
structure
was
investigated.
results
showed
that
obtained
LCS
composites
had
maximum
specific
surface
area
(334.841
m2·g−1)
porosity
(0.4406
mL·g−1)
when
mass
ratio
(the
lignin:
templating
agent)
2:1
carried
out
at
600
°C
for
1.5
h
(LCS-600-1.5-2).
Compared
pure
CdS,
photodegradation
performance
under
simulated
(500
W
Xe
lamp)
irradiation
significantly
improved.
degradation
rate
methylene
blue
(MB)
methyl
orange/methylene
(MO/MB)
reached
91.7%
90.8%
2
h,
respectively.
material
test
has
acid–base
stability,
MB
remained
above
80%
after
5
cycles.
biomass,
dispersion
uniformity
cadmium
sulfide,
reduced
recombination
photogenic
electron
hole,
enhanced
visible
light,
greatly
expanded
application
material.
