Molecules,
Journal Year:
2023,
Volume and Issue:
28(15), P. 5916 - 5916
Published: Aug. 6, 2023
The
discharge
of
emerging
pollutants
in
the
industrial
process
poses
a
severe
threat
to
ecological
environment
and
human
health.
Photocatalytic
self-Fenton
technology
combines
advantages
photocatalysis
Fenton
oxidation
through
situ
generation
hydrogen
peroxide
(H2O2)
interaction
with
iron
(Fe)
ions
generate
large
number
strong
reactive
oxygen
species
(ROS)
effectively
degrade
environment.
Graphite
carbon
nitride
(g-C3N4)
is
considered
as
most
potential
photocatalytic
reduction
reaction
(ORR)
photocatalyst
for
H2O2
production
due
its
excellent
chemical/thermal
stability,
unique
electronic
structure,
easy
manufacturing,
moderate
band
gap
(2.70
eV).
Hence,
this
review,
we
briefly
introduce
degradation
mechanisms.
In
addition,
modification
strategy
g-C3N4-based
system
related
applications
environmental
remediation
are
fully
discussed
summarized
detail.
Finally,
prospects
challenges
discussed.
We
believe
that
review
can
promote
construction
novel
efficient
systems
well
further
application
other
research
fields.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(28)
Published: Aug. 6, 2023
Piezo-assisted
photocatalysis
(namely,
piezo-photocatalysis),
which
utilizes
mechanical
energy
to
modulate
spatial
and
distribution
of
photogenerated
charge
carriers,
presents
a
promising
strategy
for
molecule
activation
reactive
oxygen
species
(ROS)
generation
toward
applications
such
as
environmental
remediation.
However,
similarly
photocatalysis,
piezo-photocatalysis
also
suffers
from
inferior
separation
utilization
efficiency.
Herein,
Z-scheme
heterojunction
composed
single
Ag
atoms-anchored
polymeric
carbon
nitride
(Ag-PCN)
SnO2-x
is
developed
efficient
carrier
transfer/separation
both
within
the
catalyst
between
surface
molecules
(O2
).
As
revealed
by
dynamics
analysis
theoretical
simulations,
synergy
atoms
initiates
cascade
electron
transfer
Ag-PCN
then
O2
adsorbed
on
Ag.
With
ultrasound
irradiation,
polarization
field
generated
piezoelectric
hybrid
further
accelerates
regulates
pathway.
result,
Ag-PCN/SnO2-x
efficiently
activates
into
·O2-
,
·OH,
H2
under
co-excitation
visible
light
ultrasound,
are
consequently
utilized
trigger
aerobic
degradation
refractory
antibiotic
pollutants.
This
work
provides
maneuver
integrating
single-atom
catalysts
(SACs)
with
heterojunction.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(15), P. 5916 - 5916
Published: Aug. 6, 2023
The
discharge
of
emerging
pollutants
in
the
industrial
process
poses
a
severe
threat
to
ecological
environment
and
human
health.
Photocatalytic
self-Fenton
technology
combines
advantages
photocatalysis
Fenton
oxidation
through
situ
generation
hydrogen
peroxide
(H2O2)
interaction
with
iron
(Fe)
ions
generate
large
number
strong
reactive
oxygen
species
(ROS)
effectively
degrade
environment.
Graphite
carbon
nitride
(g-C3N4)
is
considered
as
most
potential
photocatalytic
reduction
reaction
(ORR)
photocatalyst
for
H2O2
production
due
its
excellent
chemical/thermal
stability,
unique
electronic
structure,
easy
manufacturing,
moderate
band
gap
(2.70
eV).
Hence,
this
review,
we
briefly
introduce
degradation
mechanisms.
In
addition,
modification
strategy
g-C3N4-based
system
related
applications
environmental
remediation
are
fully
discussed
summarized
detail.
Finally,
prospects
challenges
discussed.
We
believe
that
review
can
promote
construction
novel
efficient
systems
well
further
application
other
research
fields.