Molecules,
Journal Year:
2023,
Volume and Issue:
28(19), P. 6831 - 6831
Published: Sept. 27, 2023
Photocatalyst
is
the
core
of
photocatalysis
and
directly
determines
photocatalytic
performance.
However,
low
quantum
efficiency
utilization
solar
energy
are
important
technical
problems
in
application
photocatalysis.
In
this
work,
a
series
polyoxometalates
(POMs)
[H3PW12O40]
(PW12)-doped
titanium
dioxide
(TiO2)
nanofibers
modified
with
various
amount
silver
(Ag)
nanoparticles
(NPs)
were
prepared
by
utilizing
electrospinning/photoreduction
strategy,
labelled
as
x
wt%
Ag/PW12/TiO2
(abbr.
x%
Ag/PT,
=
5,
10,
15,
respectively).
The
as-prepared
materials
characterized
techniques
exhibited
remarkable
catalytic
activities
for
visible-light
degradation
tetracycline
(TC),
enrofloxacin
(ENR),
methyl
orange
(MO).
Particularly,
10%
Ag/PT
catalyst
specific
surface
area
155.09
m2/g
an
average
aperture
4.61
nm
possessed
optimal
photodegradation
performance,
efficiencies
reaching
78.19%
TC,
93.65%
ENR,
99.29%
MO,
which
significantly
higher
than
those
PW12-free
Ag/TiO2
PT
nanofibers.
Additionally,
parameters
(the
pH
solution,
usage,
TC
concentration)
influencing
process
investigated
detail.
conditions
follows:
usage:
20
mg;
TC:
mL
ppm;
7.
Furthermore,
intermediates
pathways
demonstrated
HPLC-MS
measurement.
We
also
toxicity
products
generated
during
removal
employing
quantitative
structure-activity
relationship
(QSAR)
prediction
through
estimation
software
tool
(T.E.S.T.
Version
5.1.2.).
mechanism
study
showed
that
doping
PW12
modification
Ag
NPs
on
TiO2
broadened
absorption,
accelerating
effective
separation
photogenerated
carriers,
therefore
resulting
enhanced
research
provided
some
new
thoughts
exploiting
efficient
durable
photocatalysts
environmental
remediation.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
S-scheme
heterojunctions
have
become
a
hot
topic
in
photocatalysis.
Copper
(Cu)
compounds
are
versatile
family
of
photocatalytic
materials,
including
oxides
(CuO,
Cu2O),
binary
(CuBi2O4,
CuFe2O4),
sulfides
(CuxS,
(1
≤
x
2)),
selenides
(CuSe),
phosphides
(Cu3P),
metal
organic
frameworks
(MOFs),
etc.
These
materials
characterized
by
narrow
bandgaps,
large
absorption
coefficients,
and
suitable
band
positions.
To
further
increase
the
efficiency
photoinduced
charge
separation,
Cu-based
widely
integrated
into
exploited
for
hydrogen
evolution
reaction
(HER),
CO2
reduction,
H2O2
generation,
N2
fixation,
pollutant
degradation.
This
review
comprehensively
discusses
recent
progress
heterojunctions,
highlights
their
considerable
potential
targeted
applications
sustainable
energy
conversion,
environmental
remediation,
beyond.
The
fundamentals
transfer,
design
principles
verification
tools
summarized.
Then,
describes
categorized
according
to
chemical
composition,
integration
applications.
In
particular,
implications
transfer
mechanism
on
promoting
catalytic
activity
selected
systems
analyzed.
Finally,
current
limitations
outlooks
provided
motivate
future
studies
developing
novel
advanced
photocatalysts
with
high
performance
studying
underlying
mechanisms.
