Advanced Materials,
Год журнала:
2023,
Номер
36(8)
Опубликована: Ноя. 22, 2023
Abstract
Semiconductor
photocatalytic
technology
holds
immense
promise
for
converting
sustainable
solar
energy
into
chemically
storable
energy,
with
significant
applications
in
the
realms
of
and
environment.
However,
inherent
issue
rapid
recombination
photogenerated
electrons
holes
hinders
performance
single
photocatalysts.
To
overcome
this
challenge,
construction
2D
S‐scheme
heterojunction
photocatalysts
emerges
as
an
effective
strategy.
The
deliberate
design
dimensionality
ensures
a
substantial
interfacial
area;
while,
charge
transfer
mechanism
facilitates
efficient
separation
maximizes
redox
capabilities.
This
review
commences
fresh
perspective
on
heterojunctions,
followed
by
comprehensive
exploration
preparation
methods
characterization
techniques.
Subsequently,
recent
advancements
are
summarized.
Notably,
behind
activity
enhancement
is
elucidated.
Finally,
prospects
development
presented.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(38)
Опубликована: Июль 13, 2022
Abstract
Photocatalytic
hydrogen
peroxide
(H
2
O
)
production
from
dioxygen
and
water
is
regarded
as
a
promising
technology
since
it
can
achieve
sustainable
green
solar‐to‐chemical
energy
conversion.
Herein,
oxygen
potassium
dual‐heteroatom
incorporated
polymeric
carbon
nitride
(O/KCN)
rationally
designed
for
H
generation
with
an
ultrahigh
rate
of
309.44
µM
h
−1
mg
,
which
surpasses
that
other
C
3
N
4
‐based
photocatalysts.
The
enhanced
performance
be
ascribed
to
the
effective
light
absorption,
fast
charge
transfer/separation,
strong
adsorption,
highly
selective
two‐electron
reduction
reaction
(ORR).
Density
functional
theory
calculations
further
confirm
obtained
O/KCN
more
favorable
than
others
electrons
migrating
β
spin‐orbital
π*
orbitals
molecule,
thus
optimizing
molecule
activation
promote
formation
intermediate
species
*OOH
decrease
barrier
production.
This
work
not
only
provides
in‐depth
insights
photocatalytic
mechanism,
but
also
lays
foundation
development
active
photocatalysts
environmental
remediation
The Journal of Physical Chemistry Letters,
Год журнала:
2022,
Номер
13(36), С. 8462 - 8469
Опубликована: Сен. 2, 2022
S-scheme
photocatalysts
have
demonstrated
great
potential
in
solar
fuel
production.
To
study
the
electron
transfer
pathways
heterojunctions,
situ
irradiated
X-ray
photoelectron
spectroscopy
(ISIXPS)
is
an
effective
and
widely
used
technology.
However,
mechanism
of
ISIXPS
identifying
heterojunction
has
not
yet
been
elucidated.
In
this
Perspective,
development
process
formation
are
first
introduced.
Afterward,
principles
XPS
measurements
thoroughly
explained,
applications
confirming
interfacial
heterojunctions
discussed.
Finally,
suggestions
for
future
research
on
utilization
proposed.
This
Perspective
will
provide
deep
insight
into
through
ISIXPS.
RSC Applied Interfaces,
Год журнала:
2023,
Номер
1(1), С. 43 - 69
Опубликована: Сен. 27, 2023
Semiconductor
heterojunctions
are
pivotal
in
determining
the
overall
photocatalytic
efficiency.
This
review
explores
recent
advances
diverse
heterojunction
types,
charge
transfer
mechanisms
and
materials.
Chemical Communications,
Год журнала:
2022,
Номер
59(6), С. 688 - 699
Опубликована: Дек. 21, 2022
This
feature
article
introduces
the
basic
principles
of
femtosecond
transient
absorption
spectroscopy
(fs-TAS)
and
recent
advances
in
application
fs-TAS
to
heterojunction
photocatalysts.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(52)
Опубликована: Ноя. 2, 2022
Abstract
Efficient
conversion
of
microplastics
into
fuels
provides
a
promising
strategy
to
alleviate
environmental
pollution
and
the
energy
crisis.
However,
conventional
processes
are
challenged
by
low
product
selectivity
potential
secondary
pollution.
Herein,
biotic‐abiotic
photocatalytic
system
is
designed
assembling
Methanosarcina
barkeri
(
M.
b
)
carbon
dot‐functionalized
polymeric
nitrides
(CDPCN),
which
biodegradable
microplastics—poly(lactic
acid)
after
heat
pretreatment
can
be
converted
CH
4
for
five
successive
24‐day
cycles
with
nearly
100
%
assistance
additional
CO
2
.
Mechanistic
analyses
showed
that
both
photooxidation
photoreduction
methanogenesis
worked
simultaneously
via
fully
utilizing
photogenerated
holes
electrons
without
chemical
sacrificial
quenchers.
Further
research
validated
real‐world
applicability
‐CDPCN
non‐biodegradable
microplastic‐to‐CH
conversion,
offering
new
avenue
engineering
plastic
reuse.
Carbon Energy,
Год журнала:
2022,
Номер
4(5), С. 665 - 730
Опубликована: Авг. 9, 2022
Abstract
Green
energy
generation
is
an
indispensable
task
to
concurrently
resolve
fossil
fuel
depletion
and
environmental
issues
align
with
the
global
goals
of
achieving
carbon
neutrality.
Photocatalysis,
a
process
that
transforms
solar
into
clean
fuels
through
photocatalyst,
represents
felicitous
direction
toward
sustainability.
Eco‐rich
metal‐free
graphitic
nitride
(g‐C
3
N
4
)
profiled
as
attractive
photocatalyst
due
its
fascinating
properties,
including
excellent
chemical
thermal
stability,
moderate
band
gap,
visible
light‐active
nature,
ease
fabrication.
Nonetheless,
shortcomings
g‐C
include
fast
charge
recombination
limited
surface‐active
sites,
which
adversely
affect
photocatalytic
reactions.
Among
modification
strategies,
point‐to‐face
contact
engineering
2D
0D
nanomaterials
innovative
promising
synergy
owing
several
intriguing
attributes
such
high
specific
surface
area,
short
effective
charge‐transfer
pathways,
quantum
confinement
effects.
This
review
introduces
recent
advances
achieved
in
experimental
computational
studies
on
interfacial
design
nanostructures
construction
heterojunction
interfaces.
Notably,
materials
metals,
metal
oxides,
sulfides,
selenides,
phosphides,
nonmetals
different
mechanisms
are
systematically
discussed
along
controllable
synthesis
strategies.
The
applications
0D/2D
‐based
photocatalysts
focused
solar‐to‐energy
conversion
via
hydrogen
evolution
reaction,
CO
2
reduction
reaction
evaluate
activity
elucidate
pathways.
Finally,
future
perspectives
for
developing
high‐efficiency
proposed
explore
potential
emerging
allotropes,
large‐scale
production,
machine
learning
integration,
multidisciplinary
technological
breakthroughs.
