ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(10), P. 4009 - 4019
Published: Feb. 24, 2023
To
effectively
restrain
the
charge
recombination
of
bulk
CdS,
which
dominantly
limits
photocatalytic
activity,
ultrathin
CdS–NiFeS
two-dimensional
(2D)–2D
heterojunctions
are
well
designed
with
creation
tight
interfaces,
where
NiFeS
nanosheets
derived
from
layered
double
hydroxides
possess
tunable
work
functions
and
hydrogen
evolution
overpotentials.
The
optimized
CdS–2%
NiFe0.1S
photocatalyst
presents
an
excellent
generation
activity
626.7
μmol/h
(10
mg
catalysts,
equivalent
to
62.67
mmol/g/h),
is
fairly
high
among
noble-metal-free
CdS-based
catalysts.
greatly
enhanced
catalytic
performance
can
be
ascribed
following
synergetic
effects.
This
2D–2D
heterostructure
formed
between
CdS
establishes
sufficient
contact
shortens
transport
distance,
efficiently
accelerates
electron
transfer
NiFeS,
possesses
a
large
function.
Moreover,
bimetallic
cocatalyst
evidently
decreases
reaction
barrier,
provides
abundant
active
sites,
then
facilitates
H2
generation.
research
may
offer
new
inspirations
develop
2D
nanomaterials
for
outstanding
performance.
SusMat,
Journal Year:
2024,
Volume and Issue:
4(3)
Published: April 11, 2024
Abstract
Integrating
H
2
O
evolution
with
oxidative
organic
synthesis
in
a
semiconductor‐driven
photoredox
reaction
is
highly
attractive
since
and
high‐value
chemicals
can
be
concurrently
produced
using
solar
light
as
the
only
energy
input.
The
dual‐functional
photocatalytic
approach,
free
from
sacrificial
agents,
enables
simultaneous
production
of
chemicals.
This
strategy
promises
green
sustainable
minimal
greenhouse
gas
emissions.
In
this
review,
we
first
elucidate
fundamental
principles
cooperative
integration
selective
oxidation
utilization
photoexcited
electrons
holes
over
semiconductor‐based
photocatalysts.
Afterwards,
thorough
review
on
recent
advancements
value‐added
presented.
Notably,
in‐depth
discussions
insights
into
techniques
for
unravelling
mechanisms
are
elucidated.
Finally,
critical
challenges
prospects
thriving
field
comprehensively
discussed.
It
envisioned
that
will
serve
pivotal
guidance
rational
design
such
system,
thereby
further
stimulating
development
economical
environmentally
benign
production.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(10), P. 4009 - 4019
Published: Feb. 24, 2023
To
effectively
restrain
the
charge
recombination
of
bulk
CdS,
which
dominantly
limits
photocatalytic
activity,
ultrathin
CdS–NiFeS
two-dimensional
(2D)–2D
heterojunctions
are
well
designed
with
creation
tight
interfaces,
where
NiFeS
nanosheets
derived
from
layered
double
hydroxides
possess
tunable
work
functions
and
hydrogen
evolution
overpotentials.
The
optimized
CdS–2%
NiFe0.1S
photocatalyst
presents
an
excellent
generation
activity
626.7
μmol/h
(10
mg
catalysts,
equivalent
to
62.67
mmol/g/h),
is
fairly
high
among
noble-metal-free
CdS-based
catalysts.
greatly
enhanced
catalytic
performance
can
be
ascribed
following
synergetic
effects.
This
2D–2D
heterostructure
formed
between
CdS
establishes
sufficient
contact
shortens
transport
distance,
efficiently
accelerates
electron
transfer
NiFeS,
possesses
a
large
function.
Moreover,
bimetallic
cocatalyst
evidently
decreases
reaction
barrier,
provides
abundant
active
sites,
then
facilitates
H2
generation.
research
may
offer
new
inspirations
develop
2D
nanomaterials
for
outstanding
performance.