ACS Applied Engineering Materials,
Journal Year:
2024,
Volume and Issue:
2(4), P. 955 - 964
Published: April 12, 2024
A
robust
photoelectrochemical
(PEC)
sensor
based
on
BiVO4
has
been
successfully
developed
for
the
sensitive
detection
of
environmental
estrogen-like
compound
bisphenol
(BPA).
This
addresses
challenge
effectively
immobilizing
photoactive
material
onto
a
supporting
electrode.
The
is
fabricated
through
layer-by-layer
approach
using
hot
spin-coating
method,
providing
an
electrode
with
enhanced
stability,
compared
to
common
techniques,
and
characterized
surface
electrochemical
methods.
presence
OH–
SO42–
as
active
species
significantly
enhances
photocurrent
PEC
by
up
100
times,
enabling
trace
concentrations
BPA
in
various
real
matrices.
sensing
mechanism
investigated
confocal
spectrophotometric
techniques.
demonstrates
excellent
performance,
allowing
measurements
two
linear
concentration
ranges
0.01–10
μM
10–120
μM,
lower
limit
3.03
nM
(3σ/m)
BPA.
proves
applicable
water
human
serum
samples.
Stability
reproducibility
data
indicate
that
maintains
high
reliability
at
least
30
consecutive
days.
provides
readily
accessible
durable
solution
detecting
diverse
biological
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(12), P. 7257 - 7271
Published: Jan. 1, 2024
The
shortcomings
of
reported
WO
3
-based
all-weather
mechanisms
were
pointed
out.
Additionally,
a
novel
photochromism
and
dark-Fenton
reaction
mechanism
based
on
photo-storage
electrons
in
illuminated
h-WO
·0.46H
2
O
proposed.
ACS Applied Engineering Materials,
Journal Year:
2024,
Volume and Issue:
2(4), P. 955 - 964
Published: April 12, 2024
A
robust
photoelectrochemical
(PEC)
sensor
based
on
BiVO4
has
been
successfully
developed
for
the
sensitive
detection
of
environmental
estrogen-like
compound
bisphenol
(BPA).
This
addresses
challenge
effectively
immobilizing
photoactive
material
onto
a
supporting
electrode.
The
is
fabricated
through
layer-by-layer
approach
using
hot
spin-coating
method,
providing
an
electrode
with
enhanced
stability,
compared
to
common
techniques,
and
characterized
surface
electrochemical
methods.
presence
OH–
SO42–
as
active
species
significantly
enhances
photocurrent
PEC
by
up
100
times,
enabling
trace
concentrations
BPA
in
various
real
matrices.
sensing
mechanism
investigated
confocal
spectrophotometric
techniques.
demonstrates
excellent
performance,
allowing
measurements
two
linear
concentration
ranges
0.01–10
μM
10–120
μM,
lower
limit
3.03
nM
(3σ/m)
BPA.
proves
applicable
water
human
serum
samples.
Stability
reproducibility
data
indicate
that
maintains
high
reliability
at
least
30
consecutive
days.
provides
readily
accessible
durable
solution
detecting
diverse
biological