ChemistrySelect,
Journal Year:
2023,
Volume and Issue:
8(45)
Published: Dec. 1, 2023
Abstract
Photocatalytic
technology
has
great
potential
in
water
pollution
treatment.
Prepared
Fe
3+
‐doped
Cu
2
O
photocatalyst
using
solvothermal
method
successfully
this
paper.
Analyze
and
test
the
prepared
samples
study
their
photocatalytic
performance.
The
have
high
purity
morphology
undergone
changes.
By
introducing
,
specific
surface
area
of
sample
increases
absorption
visible
light
significantly
increases.
Further
research
found
that
degree
hole
separation
photogenerated
electrons
is
obviously
improved,
due
to
a
significant
reduction
resistance
sample.
R
‐Cu
degradation
rate
reached
80.5
%
it
shows
excellent
Reactions,
Journal Year:
2025,
Volume and Issue:
6(2), P. 24 - 24
Published: April 7, 2025
Cu2O,
a
narrow-bandgap
semiconductor
with
visible
light
absorption
capabilities,
faces
limitations
in
photocatalytic
applications
due
to
photocorrosion
from
hole
self-oxidation
and
insufficient
absorption.
In
this
work,
series
of
novel
spherical
Cu2O/FePO4
Z-scheme
heterojunctions
were
successfully
synthesized
via
self-assembly
overcome
these
challenges.
The
photocurrent,
electrical
impedance
spectroscopy
(EIS),
photoluminescence
(PL)
tests
showed
that
Cu2O/1.5FePO4
(CF1.5)
had
excellent
electron
separation
efficiency.
Subsequently,
degradation
was
utilized
as
probing
technique
further
confirm
the
above
conclusions,
kinetic
reaction
constants
CF1.5
being
2.46
11.23
times
higher
than
those
Cu2O
FePO4,
respectively.
After
five
cycles
experiments
XPS
analysis,
it
found
content
Cu(I)
did
not
significantly
decrease
after
reaction,
indicating
has
superior
anti-photocorrosion
performance
compared
single
which
is
also
establishment
heterojunction.
Systematic
studies
using
radical
scavenging
ESR
identified
·OH
·O2−
main
active
species
involved
photocatalysis.
formation
heterojunction
only
enhances
activity
composite
but
effectively
suppresses
thereby
offering
promising
approach
for
enhancing
Cu2O.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(5), P. 452 - 452
Published: Feb. 29, 2024
Cuprous
oxide
(Cu2O)
has
great
potential
in
photodynamic
therapy
for
implant-associated
infections
due
to
its
good
biocompatibility
and
photoelectric
properties.
Nevertheless,
the
rapid
recombination
of
electrons
holes
weakens
antibacterial
effect.
In
this
work,
a
new
nanosystem
(Cu2O@rGO)
with
excellent
performance
was
designed
via
situ
growth
Cu2O
on
reduced
graphene
(rGO).
Specifically,
rGO
lower
Fermi
levels
served
as
an
electron
trap
capture
photoexcited
from
Cu2O,
thereby
promoting
electron-hole
separation.
More
importantly,
surface
could
quickly
transfer
owing
conductivity,
thus
efficiently
suppressing
pairs.
Subsequently,
Cu2O@rGO
nanoparticle
introduced
into
poly-L-lactic
acid
(PLLA)
powder
prepare
PLLA/Cu2O@rGO
porous
scaffolds
through
selective
laser
sintering.
Photochemical
analysis
showed
that
photocurrent
increased
by
about
two
times
after
incorporation
GO
nanosheets,
enhancing
efficiency
photogenerated
charge
carriers
Moreover,
ROS
production
scaffold
significantly
compared
PLLA/Cu2O
scaffold.
The
results
possessed
rates
83.7%
81.3%
against
Escherichia
coli
Staphylococcus
aureus,
respectively.
summary,
work
provides
effective
strategy
combating
implant-related
infections.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(19), P. 6882 - 6882
Published: Sept. 29, 2023
A
novel
Bi2S3-zinc
oxide/cellulose
acetate
composite
film
was
prepared
through
a
blending-wet
phase
conversion
and
in
situ
precipitate
method.
The
results
revealed
that
the
incorporation
of
Bi2S3
increased
cavity
density
uniformity,
which
provided
additional
space
for
growth
active
species
improved
interaction
between
dye
pollutants
sites.
Zinc
oxide
acted
as
mediator
to
facilitate
separation
electron-hole
pairs
effectively
preventing
their
recombination,
thus
reducing
photo-corrosion
Bi2S3.
As
result,
Bi2S3-ZnO/CA
exhibited
favorable
photocatalytic
activity
degradation
various
dyes.
Additionally,
displayed
effortless
recovery
without
need
centrifugation
or
filtration,
while
maintaining
its
exceptional
catalytic
performance
even
after
undergoing
processes.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(10), P. 2261 - 2261
Published: May 11, 2024
The
insight
of
the
activity
phase
and
reaction
mechanism
is
vital
for
developing
high-performance
ammonia
synthesis
electrocatalysts.
In
this
study,
origin
electronic-dependent
model
Cu2O
catalyst
toward
electrosynthesis
with
nitrate
was
probed.
modulation
electronic
state
oxygen
vacancy
content
realized
by
doping
halogen
elements
(Cl,
Br,
I).
electrocatalytic
experiments
showed
that
production
depends
strongly
on
states
in
Cu2O.
With
increased
defects
Cu2O,
performance
first
then
decreased.
Cu2O/Br
middle
highest
yield
11.4
g
h−1
g−1
at
−1.0
V
(vs.
RHE),
indicating
pattern
change
optimal
consistent
phenomenon
volcano
curves
chemistry.
This
work
highlights
a
promising
route
designing
NO3−RR
to
NH3
catalysts.
