ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(39), P. 44317 - 44329
Published: Sept. 22, 2022
Solar
water
splitting
has
emerged
as
an
urgent
imperative
hydrogen
emerges
increasingly
important
form
of
energy
storage.
g-C3N4
is
ideal
candidate
for
photocatalytic
a
result
the
excellent
alignment
its
band
edges
with
redox
potentials.
To
mitigate
electron-hole
recombination
that
limited
performance
g-C3N4,
we
have
developed
semiconductor
heterostructure
CuFe2O4
nanoparticles
(NPs)
highly
efficient
photocatalyst.
Visible-light-driven
properties
CuFe2O4/g-C3N4
heterostructures
different
loadings
been
examined
two
sacrificial
agents.
An
up
to
2.5-fold
enhancement
in
catalytic
efficiency
observed
over
nanosheets
alone
apparent
quantum
yield
H2
production
approaching
25%.
The
improved
activity
suggests
introducing
NPs
provides
more
active
sites
and
reduces
recombination.
g-C3N4/CuFe2O4
furthermore
show
enhanced
electrocatalytic
HER
compared
individual
components
which
by
making
increased
surface
reaction.
faradaic
prepared
makes
it
potential
generation.
Nevertheless,
designed
materials
exhibited
significant
photo-
toward
HER,
demonstrates
method
methodically
enhancing
creating
best
energetic
offsets.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(4)
Published: Nov. 14, 2022
The
identity
of
charge
transfer
process
at
the
heterogeneous
interface
plays
an
important
role
in
improving
stability,
activity,
and
selectivity
heterojunction
catalysts.
And,
situ
irradiation
X-ray
photoelectron
spectroscopy
(XPS)
coupled
with
UV
light
optical
fiber
measurement
setup
is
developed
to
monitor
observe
between
heterojunction.
However,
in-depth
relationship
binding
energy
wavelength
missing
based
on
fact
that
incident
formed
by
coupling
different
wavelengths.
Furthermore,
a
quantitative
understanding
numbers
remains
elusive.
Herein,
g-C3
N4
/SnO2
model
catalyst,
wavelength-dependent
Boltzmann
function
describe
changes
through
utilizing
continuously
adjustable
monochromatic
XPS
technique
established.
Using
this
method,
study
further
reveals
electrons
number
can
be
readily
calculated
forming
asymptotic
model.
This
methodology
provides
blueprint
for
deep
charge-transfer
rules
facilitates
future
development
highly
active
advanced
Chemical Engineering Journal,
Journal Year:
2023,
Volume and Issue:
480, P. 148250 - 148250
Published: Dec. 22, 2023
The
development
of
low-cost
photostable
heterostructures
with
robust
interfacial
contact
is
critical
for
competent
photoactivity
and
practical
applications.
solid-state
approach
was
successfully
employed
fabrication
novel
stacked
oval-shaped
CoMn-LDH/C-MgO
composites
Mn-O-Mg
bridges
efficient
charge
separation
induced
by
S-scheme
transfer
degradation
amoxicillin
(AMX).
persulfate
(PS)
activation
mechanism
confirmed
Raman
analysis
using
bond
length
relationship
to
peak
shifts.
PS
rate
1.8
times
CoMn-LDH/PS
the
heterojunction
a
99.97
±
0.16
%
removal
efficiency
after
60
min
irradiation
at
pH
5.2.
photocatalytic
ozonation
increased
AMX
mineralization
up
8
compared
ozonation.
Antimicrobial
studies
bacterial
growth
inhibition
by-products
had
reduced
AMX.
This
work
demonstrated
an
as
visible
light
heterogeneous
photocatalyst
pharmaceuticals.
