Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 23, 2024
Although
polarity-reversal
photoelectrochemical
(PEC)
analysis
can
effectively
eliminate
false-positive
and
negative
signals
caused
by
interferents,
achieving
high
sensitivity
accuracy
is
still
a
challenge.
Hence,
spring
expanding-like
polarity
reversal
strategy
with
bipolar
signal
synergistic
amplification
first
proposed
to
help
build
high-performance
PEC
system.
In
this
study,
l-cysteine
(l-cys)
discovered
not
only
act
as
regulator
elaborately
reverse
photocurrent
via
its
covalent
bond
Cu
Bi
but
also
provide
relatively
stable
electron
donor
consume
the
photogenerated
holes
compared
commonly
used
H
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 4, 2025
We
have
developed
a
novel
S-scheme
mechanism
to
expand
the
photoresponse
range
of
Bi2SiO5.
This
study
reports
successful
creation
CN/BS
heterojunction
photocatalyst,
which
is
composed
g-C3N5
and
The
synthesis
was
achieved
through
simple
two-step
procedure,
involving
hydrothermal
treatment
subsequent
calcination.
10%
exhibits
superior
photocatalytic
efficiency.
When
exposed
visible
light,
photocatalyst
achieves
removal
rate
98.8%
regarding
breakdown
Rhodamine
B
(RhB),
outperforming
Bi2SiO5
by
factor
5
3.
Furthermore,
for
Ciprofloxacin
(CIP)
reaches
96.0%,
double
that
14
times
higher
than
g-C3N5.
It
evident
photodegradation
efficiency
towards
organic
pollutants
significantly
surpasses
precursor
composite
materials.
improved
performance
likely
due
larger
specific
surface
area,
more
efficient
light
harvesting,
construction
an
heterojunction.
Crucially,
proposition
hypothesis
charge
transport
within
marks
pivotal
advancement.
concept
substantial
importance
both
theoretical
exploration
practical
deployment
Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
66, P. 105890 - 105890
Published: Aug. 7, 2024
The
existence
of
organic,
inorganic,
and
microbiological
contaminants
in
water
bodies
continues
to
pose
a
serious
threat
public
health
worldwide.
photocatalytic
elimination
these
using
copper
bismuthate
(CuBi2O4)
heterostructures
has
been
the
subject
numerous
studies.
CuBi2O4
have
demonstrated
their
effectiveness
as
photocatalyst
because
longer
charge
carrier
lifespan,
enhanced
capacity
absorb
solar
light,
greater
separation.
various
techniques
for
fabricating
such
hydrothermal,
sol-gel,
solid
state,
solvothermal,
electrospinning,
spray
pyrolysis,
electrodeposition
are
extensively
discussed
this
review
paper.
A
wide
range
different
mechanisms
action
also
covered.
degradation
pollutants
by
is
presented
detail.
Furthermore,
thorough
critical
discussion
included
about
prospects
difficulties
purification
wastewater.
