Photocatalysis‐self‐Fenton
system
(PSFs),
which
integrates
photocatalysis
with
Fenton
technology,
is
investigated
thoroughly
in
wastewater
treatment
due
to
the
virtues
of
no
addition
H
2
O
and
accelerated
circulation
Fe
2+
/Fe
3+
.
Several
kinds
materials
that
mainly
include
metal‐free
graphite
carbon
nitride
(g‐C
3
N
4
),
metal
oxides
(Fe
sulfide
(CdS,
FeS
)
have
demonstrated
extensive
development
potential.
Nevertheless,
most
developed
catalysts
are
unable
satisfy
requirements
PSFs.
Therefore,
a
comprehensive
review
committed
modification
methods
PSFs
put
forward.
First,
concrete
mechanism
from
two
aspects
reaction
discussed.
Second,
properties,
modifications
(morphology
modulation,
heterojunction
construction
as
well
doping),
applications
(contaminants
degradation
disinfection)
promising
emphasized.
Finally,
novel
directions
for
future
research
looked
forward
to.
This
opens
up
new
horizon
enhancing
practical
application
future.
Advanced Materials,
Год журнала:
2022,
Номер
34(45)
Опубликована: Май 27, 2022
Artificial
photosynthetic
solar-to-chemical
cycles
enable
an
entire
environment
to
operate
in
a
more
complex,
yet
effective,
way
perform
natural
photosynthesis.
However,
such
artificial
systems
suffer
from
lack
of
well-established
photocatalysts
with
the
ability
harvest
solar
spectrum
and
rich
catalytic
active-site
density.
Benefiting
extensive
experimental
theoretical
investigations,
this
bottleneck
may
be
overcome
by
devising
photocatalytic
platform
based
on
metal
sulfides
predominant
electronic,
physical,
chemical
properties.
These
tunable
properties
can
endow
them
abundant
active
sites,
favorable
light
utilization,
expedited
charge
transportation
for
conversion.
Here,
it
is
described
how
some
vital
lessons
extracted
previous
investigations
are
employed
promote
further
development
photosynthesis,
including
water
splitting,
CO2
reduction,
N2
pollutant
removal.
Their
functions,
properties,
synthetic
strategies,
emerging
issues,
design
principles,
intrinsic
functional
mechanisms
redox
reactions
discussed
detail.
Finally,
associated
challenges
prospects
utilization
highlighted
future
trends
photocatalysis
envisioned.
ACS ES&T Engineering,
Год журнала:
2022,
Номер
2(4), С. 564 - 585
Опубликована: Янв. 24, 2022
Heterogeneous
photocatalytic
reactions
have
experienced
many
efforts
in
developing
new
materials
to
tackle
environmental
and
energy
crises
through
utilizing
appropriate
photocatalysts
wastewater
treatment,
H2
generation,
organic
transformations,
CO2
reduction,
N2
photofixation,
biomass
conversion.
While
these
processes
are
addressed
the
literature
separately,
a
recent
innovative
viewpoint
is
employ
system
achieve
simultaneously
two
or
more
functions.
The
challenging
point
that
combination
of
functions
one
requires
novel
design
engineering
an
semiconductor
photocatalyst
with
special
characteristics
for
each
application
particular
environment.
Recently,
graphitic
carbon
nitride
(g-C3N4)
its
unique
physicochemical
properties
has
gained
tremendous
attention
among
researchers
due
great
potential
utilization
as
dual-functional
photocatalyst.
In
this
study,
role
morphological
band
gap
manipulation
heterojunction
formation
g-C3N4
will
be
considered.
These
newly
applied
strategies
useful
improve
activity
different
simultaneous
reactions.
Furthermore,
detailed
information
on
g-C3N4-based
discussed
reactions:
namely,
(i)
generation
combined
oxidation
pollutants,
(ii)
mineralization
pollutants
reduction
obtained
CO2,
(iii)
removal
mixture
heavy
metals,
(iv)
H+
(v)
conjunction
substrates/biomass
value-added
products,
(vi)
H2O2
production.
approaches
could
provide
efficient
sustainable
involved
both
issues.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(42)
Опубликована: Авг. 1, 2022
The
universal
limit
on
the
pH
conditions
is
disturbing
peroxymonosulfate
(PMS)-triggered
high-valent
iron-oxo
systems
in
environmental
applications.
Here,
we
propose
for
first
time
construction
of
a
neutral
microenvironment
surface
Zn-Fe
layered
double
hydroxide
(ZnFe-LDH)
by
using
amphoteric
properties
zinc
hydroxide,
which
continuously
generates
≡FeIV
=O
over
wide
range
3.0-11.0
activating
PMS.
≡Zn(OH)2
moiety
offers
at
phase
interface,
mitigates
self-decomposition
protons
and
hydrolysis
reaction
iron
hydroxyl
groups,
supported
Mossbauer
spectra,
density
functional
theory
calculations
designed
experiments.
Consequently,
ZnFe-LDH/PMS
can
satisfy
stability
long-term
experiments,
selectivity
under
with
high
salinity
or
natural
organic
matter
efficient
treatment
actual
wastewater.
Energy & Environmental Science,
Год журнала:
2021,
Номер
14(10), С. 5260 - 5288
Опубликована: Янв. 1, 2021
This
review
summarizes
the
design
principle,
emerging
configurations,
and
photocatalytic
applications
of
redox
cocatalysts,
offers
insights
perspectives
on
this
topic.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(29)
Опубликована: Фев. 23, 2022
Abstract
Sparked
by
natural
photosynthesis,
solar
photocatalysis
using
metal‐free
graphitic
carbon
nitride
(g‐C
3
N
4
)
with
appealing
electronic
structure
has
turned
up
as
the
most
captivating
technique
to
quest
for
sustainable
energy
generation
and
pollution‐free
environment.
Nonetheless,
low‐dimensional
g‐C
is
thwarted
from
sluggish
kinetics
rapid
recombination
of
photogenerated
carriers
upon
light
irradiation.
Among
multifarious
modification
strategies,
engineering
2D
cocatalysts
anticipated
accelerate
redox
kinetics,
augment
active
sites
ameliorate
electron–hole
separation
boosted
activity
thanks
its
face‐to‐face
contact
surface.
It
timely
technological
significance
review
2D/2D
interfaces
state‐of‐the‐art
cocatalysts,
spanning
carbon‐containing
phosphorus‐containing,
metal
dichalcogenide,
other
cocatalysts.
Fundamental
principles
each
photocatalytic
application
will
be
introduced.
Thereafter,
recent
advances
cocatalyst‐mediated
systems
critically
evaluated
based
on
their
interfacial
engineering,
emerging
roles,
impacts
toward
stability
catalytic
efficiency.
Importantly,
mechanistic
insights
into
charge
dynamics
structure–performance
relationship
deciphered.
Last,
noteworthy
research
directions
are
prospected
deliver
insightful
ideas
future
development
.
Overall,
this
serve
a
scaffold
cornerstone
in
designing
dimensionality‐dependent
cocatalyst‐assisted
renewable
ecologically
green
