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.
Small,
Journal Year:
2022,
Volume and Issue:
19(5)
Published: Dec. 7, 2022
Assembling
different
2D
nanomaterials
into
heterostructures
with
strong
interfacial
interactions
presents
a
promising
approach
for
novel
artificial
photocatalytic
materials.
Chemically
implementing
the
nanomaterials'
construction/stacking
modes
to
regulate
interfaces
can
extend
their
functionalities
and
achieve
good
performance.
Herein,
based
on
fundamental
principles
photochemical
processes,
multiple
construction
(e.g.,
face-to-face,
edge-to-face,
interface-to-face,
edge-to-edge)
are
overviewed
systematically
emphasis
relationships
between
characteristics
point,
linear,
planar),
synthetic
strategies
in
situ
growth,
ex
assembly),
enhanced
applications
precise
regulation.
Meanwhile,
recent
efforts
enhancing
performances
of
2D/2D
summarized
from
critical
factors
visible
light
absorption,
accelerating
charge
transfer/separation,
introducing
active
sites.
Notably,
crucial
roles
surface
defects,
cocatalysts,
modification
performance
optimization
also
discussed
synergistic
effect
engineering
heterogeneous
interfaces.
Finally,
perspectives
challenges
proposed
emphasize
future
opportunities
expanding
photocatalysis.
Carbon Energy,
Journal Year:
2023,
Volume and Issue:
5(12)
Published: Dec. 1, 2023
Abstract
Water‐splitting
reactions
such
as
the
hydrogen
evolution
reaction
(HER)
and
oxygen
(OER)
typically
require
expensive
noble
metal‐based
electrocatalysts.
This
has
motivated
researchers
to
develop
novel,
cost‐effective
electrocatalytic
systems.
In
this
study,
a
new
multicomponent
nanocomposite
was
assembled
by
combining
functionalized
multiwalled
carbon
nanotubes,
Cu‐based
metal–organic
framework
(MOF)
(HKUST‐1
or
HK),
sulfidized
NiMn‐layered
double
hydroxide
(NiMn‐S).
The
resulting
nanocomposite,
abbreviated
MW/HK/NiMn‐S,
features
unique
architecture,
high
porosity,
numerous
electroactive
Cu/Ni/Mn
sites,
fast
charge
transfer,
excellent
structural
stability,
conductivity.
At
current
density
of
10
mA
cm
−2
,
dual‐function
electrocatalyst
shows
remarkable
performance,
with
ultralow
overpotential
values
163
mV
73
(HER),
well
low
Tafel
slopes
(57
75
dec
−1
respectively).
Additionally,
its
turnover
frequency
(4.43
s
for
OER;
3.96
HER)
are
significantly
superior
those
standard
Pt/C
IrO
2
synergistic
effect
nanocomposite's
different
components
is
responsible
enhanced
performance.
A
functional
theory
study
revealed
that
multi‐interface
heterostructure
contribute
increased
electrical
conductivity
decreased
energy
barrier,
in
HER/OER
activity.
presents
novel
vision
designing
advanced
electrocatalysts
performance
water
splitting.
Various
composites
have
been
utilized
water‐splitting
applications.
investigates
use
MW/HK/NiMn‐S
splitting
first
time
indicate
between
carbon‐based
materials
along
layered
compounds
porous
MOF.
each
component
composite
can
be
an
interesting
topic
field
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(18)
Published: Feb. 27, 2024
Abstract
In
light
of
the
profound
shift
toward
renewable
fuels,
dual‐atom
catalysts
(DACs)
are
impressively
prospected
as
auspicious
for
electrocatalysis
revitalization,
accomplishing
environmental
remediation
and
sustainable
global
energy
security.
Leveraging
appealing
attributes
such
inspiring
synergistic
effect,
additional
adjacent
adsorption
sites,
ultrahigh
atom
utilization,
DACs
endowed
with
unprecedented
stability,
activity,
selectivity
in
multifarious
energy‐related
applications.
By
virtue
addressing
time
technological
prominence
to
review
this
ground‐breaking
atomic
electrocatalyst,
first
encompasses
a
correlation
elucidation
between
substrate,
dual‐atoms,
facile
synthetic
approaches
intriguing
modification
strategies.
Furthermore,
state‐of‐the‐art
characterization
techniques
specially
employed
spotlighted,
alongside
rigorously
unveiling
novel
mechanistic
insights’
milestone
gained
from
both
theoretical
modeling
experimental
research
multitudes
environmentally
benign
electrocatalytic
applications,
including
O
2
reduction,
CO
H
evolution,
N
other
fundamental
reactions.
As
final
note,
presents
brief
conclusion
highlighting
current
challenges
outlining
prospects
frontier.
Importantly,
deciphers
structure‐performance
while
excavating
advancement
DACs,
thus
is
anticipated
shed
catalysis
community
on
bolstering
an
intense
evolution
triggering
sapient
inspiration
more
robust
next‐generation
catalysts.
Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
Photocatalytic
transformation
of
biomass
into
biofuels
and
value‐added
chemicals
is
great
significance
for
carbon
neutrality.
Metal‐free
nitride
has
extensive
applications
but
with
almost
no
absorption
utilization
near‐infrared
light,
accounting
50%
sunlight.
Here,
a
molten
salt‐assisted
in‐plane
“stitching”
interlayer
“cutting”
protocol
developed
constructing
highly
crystalline
catalyst
containing
structural
oxygen
(HC‐CN).
HC‐CN
efficient
the
photothermal
cascade
biomass‐derived
glucose
lactic
acid
(LA)
an
unprecedented
yield
(94.3%)
at
25°C
under
full‐spectrum
light
irradiation
within
50
min,
which
also
applicable
to
quantitatively
photo‐upgrading
various
saccharides.
Theoretical
calculations
expound
that
light‐induced
glucose‐to‐catalyst
charge
transfer
can
activate
C
β
–H
bond
promote
rate‐determining
step
intramolecular
hydrogen
shift
in
glucose‐to‐fructose
isomerization.
Meanwhile,
introduced
not
only
facilitate
local
electric
field
formation
achieve
rapid
transport/separation
regulate
selective
•O
2
−
generation
oriented
C3–C4
cleavage
fructose
narrow
energy
band
gap
broaden
range
HC‐CN,
contributing
enhanced
LA
production
without
exogenous
heating.
Moreover,
recyclable
exhibits
negligible
environmental
burden
low
consumption,
as
disclosed
by
life
cycle
assessment.
Tailored
construction
adsorption
versatile
reaction
sites
provides
reference
implementing
multi‐step
organic
conversion
processes
mild
conditions.
