ACS Catalysis,
Journal Year:
2022,
Volume and Issue:
12(5), P. 2770 - 2780
Published: Feb. 11, 2022
Photocatalysis
is
one
of
the
promising
purification
technologies
for
organic
degradation
due
to
a
potent
driving
force
hydroxyl
radicals
(HO•).
Unfortunately,
HO•
evolution
from
dissolved
oxygen
in
traditional
photocatalysis
three-electron-reduction
process
via
H2O2
and
suffers
low
utilization
efficiency
photoexcited
electrons.
A
change
surface
processes
direct
formation
will
induce
rapid
redox
reactions
improve
conduction
band
electrons
(CB-e–)
production.
In
this
work,
we
couple
photocatalyst
engineering
using
defect-engineered
S-scheme
WO3/g-C3N4
nanocomposites
with
ozonation
analyze
relative
contributions
catalyst
structure
reaction
improved
generation
quantum
efficiency.
We
revealed
that
strategies
defect
heterojunction
CB-e–
enrichment
but
played
minor
role
while
ozone
exerted
dominant
effect
on
pathway
into
more
efficient
single-electron-transfer
process.
The
synergy
resulted
44-fold
increase
rate
constant
compared
benchmark
g-C3N4-based
catalytic
ozonation.
This
work
advances
mechanistic
principles
kinetic
boost
terms
design
micropollutant
elimination
provides
insights
modification
routes
advanced
oxidation
processes.
ACS Catalysis,
Journal Year:
2021,
Volume and Issue:
11(10), P. 6276 - 6289
Published: May 10, 2021
A
hierarchical
hollow
tubular
In2O3/ZnIn2S4
heterostructure
was
rationally
designed
by
growing
thin-layered
ZnIn2S4
on
the
surface
of
carbon-coated
In2O3
(C/HT-In2O3)
that
derived
from
In-MOF
as
a
photocatalyst
for
photocatalytic
hydrogen
evolution
(PHE)
reaction.
The
fast
interfacial
charge
transfer
and
significantly
enhanced
PHE
activity
could
be
ascribed
to
narrowed
band
gap
C/HT-In2O3
inclined
formation
staggered
between
ZnIn2S4.
former
caused
coordinated
In–N–In
sites
revealed
EXAFS
analysis,
while
latter
proved
density
functional
theory
(DFT)
calculation.
Additionally,
high
electronic
conduction
carbon
bridging
separation
further
accelerated
protonation
process.
It
found
optimum
H2
rate
reached
920.5
μmol/m2
when
mass
proportion
counterparts
set
at
1:2,
about
13.2
6.6
times
higher
than
pristine
ZnIn2S4,
respectively.
This
work
demonstrated
feasibility
establishing
in
interface
HT-In2O3/ZnIn2S4
boosting
introduced
an
ideal
light-activated
catalyst
reactions
water.
Journal of Materials Chemistry A,
Journal Year:
2021,
Volume and Issue:
9(42), P. 23765 - 23782
Published: Jan. 1, 2021
The
current
semiconductor
photocatalysts
only
exhibit
unsatisfactory
photocatalytic
efficiency,
due
to
the
easy
recombination
of
photogenerated
carriers.
Regulating
separation
and
transfer
carriers
reducing
are
essential
for
improving
catalytic
efficiency
photocatalysts.
is
produced
by
attraction
Coulomb
force.
Consequently,
requires
an
additional
driving
force
counteract
However,
exploring
mechanism
carrier
regulation
from
perspective
has
received
sporadic
attention.
This
review
firstly
starts
fundamental
impairment
performance.
Then
it
focuses
on
several
main
strategies
regulating
behavior
aspect
carriers,
including
heterojunction
design，construction
intramolecular
donor-acceptor
(D-A)
system,
exciton
regulation,
electron
spin
regulation.
Subsequently,
advanced
characterization
techniques
latest
developments
theoretical
calculations
migration
have
been
introduced.
In
end,
we
summarize
challenges
put
forward
prospects
future
development
ACS Energy Letters,
Journal Year:
2022,
Volume and Issue:
7(6), P. 2043 - 2059
Published: May 23, 2022
Metal
halide
perovskite
nanocrystals
(MHP
NCs)
have
attracted
much
scientific
interest
in
photocatalysis.
Various
types
of
MHP
photocatalysts
been
intensively
explored
photocatalytic
CO2
reduction
the
past
few
years.
However,
some
key
issues,
such
as
severe
charge
recombination,
low
stability,
and
origin
products,
created
bottlenecks
developing
photocatalysts.
Therefore,
rational
design
MHPs
is
worthwhile
to
deepen
our
understanding
above
issues
develop
efficient
This
Focus
Review
highlights
recent
advances
regarding
principles
toward
reduction.
modification
strategies
are
clarified,
an
outlook
on
future
challenges
prospects
also
provided
point
out
possible
research
directions
It
anticipated
that
this
can
provide
guidance
MHP-based
help
uncover
common
encountered
by
community
when
studying
Carbon Energy,
Journal Year:
2022,
Volume and Issue:
4(3), P. 294 - 331
Published: April 11, 2022
Abstract
With
continuous
consumption
of
nonrenewable
energy,
solar
energy
has
been
predicted
to
play
an
essential
role
in
meeting
the
demands
and
mitigating
environmental
issues
future.
Despite
being
green,
clean
pollution‐free
cannot
be
adopted
directly
as
it
provide
sufficiently
high
density
work
absence
machinery.
Thus,
is
necessary
develop
effective
strategy
convert
store
into
chemical
achieve
social
sustainable
development
using
main
power
source.
Photocatalysis,
which
semiconductor
photocatalysts
a
key
role,
one
most
promising
candidates
for
realising
utilisation
sunlight
low‐cost
environmentally
friendly
method.
The
photocatalytic
efficiency
considerably
influenced
by
their
compositions.
Among
various
heterostructures,
Z‐scheme
heterojunction
interesting
architecture
due
its
outstanding
performance
excellent
artificial
imitation
photosynthesis.
have
attracted
considerable
attention
past
few
decades.
Herein,
we
review
contemporary
systems,
with
particular
focus
on
mechanistic
breakthroughs,
highlight
current
state‐of‐the‐art
systems.
Z‐type
are
classified
traditional,
all‐solid‐state,
direct
Z‐schemes
S‐scheme
photocatalysts.
morphology,
characterisation
working
mechanism
each
type
discussed
detail.
Furthermore,
applications
photoelectrochemical
water
splitting,
nitrogen
fixation,
pollutant
degradation
carbon
dioxide
reduction
illustrated.
Finally,
outline
challenges
potential
advances
architectures,
well
future
directions.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
62(5)
Published: Nov. 1, 2022
Abstract
As
a
consequence
of
rapid
industrialization
throughout
the
world,
various
environmental
pollutants
have
begun
to
accumulate
in
water,
air,
and
soil.
This
endangers
ecological
environment
earth,
remediation
has
become
an
immediate
priority.
Among
techniques,
piezocatalytic
which
uniquely
take
advantage
piezoelectric
effect,
attracted
much
attention.
Piezoelectric
effects
allow
pollutant
degradation
directly,
while
also
enhancing
photocatalysis
by
reducing
recombination
photogenerated
carriers.
In
this
Review,
we
provide
comprehensive
summary
recent
developments
techniques
for
remediation.
The
origin
effect
as
well
classification
materials
their
application
are
systematically
summarized.
We
analyze
potential
underlying
mechanisms.
Finally,
urgent
problems
future
development
discussed.
Chemistry of Materials,
Journal Year:
2021,
Volume and Issue:
33(23), P. 9012 - 9092
Published: Nov. 24, 2021
The
surging
demand
for
energy
and
staggering
pollutants
in
the
environment
have
geared
scientific
community
to
explore
sustainable
pathways
that
are
economically
feasible
environmentally
compelling.
In
this
context,
harnessing
solar
using
semiconductor
materials
generate
charge
pairs
drive
photoredox
reactions
has
been
envisioned
as
a
futuristic
approach.
Numerous
inorganic
crystals
with
promising
nanoregime
properties
investigated
past
decade
yet
demonstrate
practical
application
due
limited
photon
absorption
sluggish
separation
kinetics.
Two-dimensional
semiconductors
tunable
optical
electronic
quasi-resistance-free
lateral
transfer
mechanisms
shown
great
promise
photocatalysis.
Polymeric
graphitic
carbon
nitride
(g-C3N4)
is
among
most
candidates
fine-tuned
band
edges
feasibility
of
optimizing
via
genomics.
Constructing
two-dimensional
(2D)/2D
van
der
Waals
(vdW)
heterojunction
by
allies
2D
sheets
other
demonstrated
enhanced
improved
visible
absorption,
performance
not
restricted
lattice
matching
constituting
materials.
With
advent
new
over
recent
past,
2D/2D
assemblies
gaining
momentum
design
high
photocatalysts
numerous
applications.
This
review
aims
highlight
advancements
key
understanding
based
heterojunctions
their
applications
photocatalysis,
including
small
molecules
activation,
conversion,
degradations.
We
conclude
forward-looking
perspective
discussing
challenges
opportunity
areas
future
research.
