Herein,
we
demonstrate
a
one-step,
scalable,
solution-processed
method
for
the
growth
of
nickel
sulfide
(NiS)
nanostructures
using
single-source
precursors
(SSPs)
on
flexible
substrate
as
versatile
framework
simultaneous
detection
four
DNA
nucleobases.
The
as-grown
NiS
exhibit
broad
bandgap
range
and
spherical
morphology
with
high
surface
area
significant
porosity,
confirmed
by
SEM,
TEM,
BET
analysis.
Consequently,
NiS/Ni-foam
electrode
exhibited
remarkable
electrochemical
performance
toward
oxidation
A,
G,
T,
C
due
to
its
large
area,
activity,
efficient
electron
transfer
capacity.
Under
optimum
conditions,
demonstrated
selective
all
nucleobases
over
wide
linear
from
200
1000
μM
A
50
500
T
C,
low
limit
159
147.6
16.8
45.9
along
sensitivity
1.2
×
10-4
M-1
6.1
10-3
3.0
C.
as-fabricated
revealed
excellent
reproducibility
stability
nucleobase
reliable
DPV
response
under
different
bending
twisting
conditions.
For
immediate
practical
application,
was
utilized
quantify
concentration
in
calf
thymus
Escherichia
coli
(E.
coli)
DNA,
resulting
(G
+
C)/(A
T)
ratio
0.79
1.10,
respectively.
This
simple,
cost-effective,
paves
way
development
non-invasive,
wearable
biosensors
potential
applications
early
disease
detection.
Physica Scripta,
Год журнала:
2024,
Номер
99(10), С. 105975 - 105975
Опубликована: Сен. 3, 2024
Abstract
The
primary
objective
of
this
study
was
to
create
and
analyze
a
new
type
LaFeO
3
/methylcellulose/multi-walled
carbon
nanotubes-NiCu
2
O
4
/Zn
nanocomposite,
called
LFO/MC/MWCNT-NCO/Z,
which
has
multiple
functions.
Structural
investigation
using
field
emission
scanning
electron
microscopy
showed
that
the
nanoparticles
(40–50
nm)
were
evenly
distributed
throughout
suggesting
they
successfully
incorporated
without
any
clumping.
FTIR
research
verified
existence
functional
groups
facilitate
electrostatic
interactions
with
contaminants,
hence
strengthening
catalytic
performance
improving
adsorption
efficiency.
BET
analysis
revealed
significantly
high
specific
surface
area
72.61
m
/g,
greatly
enhances
its
ability
adsorb
substances.
nanocomposite
demonstrated
removal
efficiency
in
(74.55%),
photocatalysis
(68.19%),
sonocatalysis
(91.22%)
procedures,
highlighting
potential
for
effectively
removing
bisphenol
A
as
organic
pollutants.
synthesized
LFO/MC/MWCNT-NCO/Z
shows
great
eliminating
contaminants
from
water
solutions.
This
offers
sustainable
way
address
pollution
protect
human
health
environment.
Physical Chemistry Chemical Physics,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
comprehensive
analysis
of
Bi
x
O
y
Br
z
has
been
carried
out
using
first-principles
density-functional
theory
(DFT)
to
explore
the
electronic
structure,
energy
band
and
essential
properties
related
its
photocatalytic
performance.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 6, 2024
Abstract
The
sub‐nanometer
is
a
key
feature
size
in
materials
science.
Unlike
single‐atom
and
nanomaterials,
effects
inter‐component
cooperative
actions
sub‐nanomaterials
will
effective
on
its
performance
more
significant.
Here,
0.95
nm
ordered
arrangement
Cu
9
S
5
sub‐nanowires
(Cu
SNWs)
are
synthesized
through
the
co‐assembly
effect
of
inorganic
nuclei
)
clusters
(phosphotungstic
acid‐PTA),
achieving
significant
increase
specific
surface
area
sample
≈100%
atomic
exposure
rate,
which
to
high
catalytic
activity.
PTA
not
only
act
as
“charge
transfer
station”
accelerate
electron
process,
but
also
facilitate
dissociation
water
provide
hydrogen
protons,
thus
dramatically
facilitating
electrocatalytic
process.
experimental
results
show
that
SNWs
exhibited
excellent
nitrate
reduction
reaction
(NO
3
−
RR)
properties.
Faraday
efficiency
(FE)
NO
RR
90.4%
at
optimum
potential
−0.3
V
RHE
(reversible
electrode)
ammonia
production
0.37
mmol
h
−1
cm
−2
,
superior
most
reported
electrocatalysts.
In
addition,
Zn‐NO
liquid‐flow
battery
devices
assembled
using
electrode
application
results.
This
work
provides
reference
for
design
highly
efficient
sub‐nanoscale
