ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
12(6), P. 7081 - 7090
Published: Jan. 22, 2020
The
electrochemical
nitrogen
reduction
reaction
(NRR)
is
a
very
efficient
method
for
sustainable
NH3
production,
but
it
requires
effective
catalysts
to
expedite
the
NRR
kinetics
and
inhibit
concomitant
hydrogen
evolution
(HER).
Two-dimensional
(2D)/2D
interface
engineering
an
design
powerful
due
intimate
face-to-face
contact
of
two
2D
materials
that
facilitates
strong
interfacial
electronic
interactions.
Herein,
we
explored
2D/2D
MoS2/C3N4
heterostructure
as
active
stable
catalyst.
exhibited
conspicuously
improved
performance
with
yield
18.5
μg
h-1
mg-1
high
Faradaic
efficiency
(FE)
17.8%
at
-0.3
V,
far
better
than
those
individual
MoS2
or
C3N4
component.
Density
functional
theory
calculations
revealed
charge
transport
from
could
enhance
activity
by
promoting
stabilization
key
intermediate
*N2H
on
Mo
edge
sites
concurrently
decreasing
energy
barrier.
Meanwhile,
rendered
more
favorable
*H
adsorption
free
S
MoS2,
thereby
protecting
NRR-active
competing
HER
leading
FE.
Small,
Journal Year:
2021,
Volume and Issue:
17(40)
Published: July 28, 2021
Over
the
past
few
decades,
graphitic
carbon
nitride
(g-C3
N4
)
has
arisen
much
attention
as
a
promising
candidate
for
photocatalytic
hydrogen
evolution
reaction
(HER)
owing
to
its
low
cost
and
visible
light
response
ability.
However,
unsatisfied
HER
performance
originated
from
strong
charge
recombination
of
g-C3
severely
inhibits
further
large-scale
application
.
In
this
case,
utilization
cocatalysts
is
novel
frontline
in
-based
systems
due
positive
effects
on
supressing
carrier
recombination,
reducing
overpotential,
improving
activity.
This
review
summarizes
some
recent
advances
about
high-performance
based
toward
HER.
Specifically,
functions,
design
principle,
classification,
modification
strategies
cocatalysts,
well
their
intrinsic
mechanism
enhanced
activity
are
discussed
here.
Finally,
pivotal
challenges
future
developments
field
proposed.
Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
30(50)
Published: Sept. 11, 2020
Abstract
Heterojunction
engineering,
especially
2D/2D
heterojunctions,
is
regarded
as
a
quite
promising
strategy
to
manipulate
the
photocatalytic
performance
of
semiconductor
catalysts.
In
this
manuscript,
direct
Z‐scheme
heterojunction
CsPbBr
3
/Bi
2
WO
6
designed
and
fabricated
by
simple
electrostatic
self‐assembly
process.
By
using
ultrathin
nanosheets
with
several
atomic
layers
building
blocks,
close
heterointerface
over
large
area
short
charge
transport
distance
obtained,
which
enables
valid
interfacial
transfer
between
Bi
thus
boosts
separation.
The
exhibits
superior
toward
CO
reduction.
incorporating
Pt
nanoparticles
cocatalyst,
high
photoelectron
consumption
rate
324.0
µmol
g
−1
h
under
AM
1.5G
irradiation
(150
mW
cm
−2
)
12.2
fold
higher
than
that
nanosheets.
Moreover,
stable
product
yield
up
1582.0
µ
mol
electron
8603.0
for
reduction
(11.4%)
CH
4
(84.3%)
can
be
achieved
after
30
continuous
catalytic
reaction.
accelerated
photogenerated
spatial
separation
are
investigated
in
detail
ultrafast
spectra,
photoelectrochemical
test,
Kelvin
probe
force
microscopy.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(19), P. 10983 - 11031
Published: Jan. 1, 2021
Elemental
two-dimensional
(2D)
materials
have
emerged
as
promising
candidates
for
energy
and
catalysis
applications
due
to
their
unique
physical,
chemical,
electronic
properties.
These
are
advantageous
in
offering
massive
surface-to-volume
ratios,
favorable
transport
properties,
intriguing
physicochemical
confinement
effects
resulting
from
the
2D
ultrathin
structure.
In
this
review,
we
focus
on
recent
advances
emerging
based
beyond-graphene
elemental
materials.
First,
briefly
introduce
general
classification,
structure,
properties
of
new
material
preparation.
We
then
discuss
various
harvesting
storage,
including
solar
cells,
piezoelectric
triboelectric
nanogenerators,
thermoelectric
devices,
batteries,
supercapacitors.
further
explorations
electrocatalysis,
photocatalysis,
heterogeneous
catalysis.
Finally,
challenges
perspectives
future
development
discussed.
ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
12(6), P. 7081 - 7090
Published: Jan. 22, 2020
The
electrochemical
nitrogen
reduction
reaction
(NRR)
is
a
very
efficient
method
for
sustainable
NH3
production,
but
it
requires
effective
catalysts
to
expedite
the
NRR
kinetics
and
inhibit
concomitant
hydrogen
evolution
(HER).
Two-dimensional
(2D)/2D
interface
engineering
an
design
powerful
due
intimate
face-to-face
contact
of
two
2D
materials
that
facilitates
strong
interfacial
electronic
interactions.
Herein,
we
explored
2D/2D
MoS2/C3N4
heterostructure
as
active
stable
catalyst.
exhibited
conspicuously
improved
performance
with
yield
18.5
μg
h-1
mg-1
high
Faradaic
efficiency
(FE)
17.8%
at
-0.3
V,
far
better
than
those
individual
MoS2
or
C3N4
component.
Density
functional
theory
calculations
revealed
charge
transport
from
could
enhance
activity
by
promoting
stabilization
key
intermediate
*N2H
on
Mo
edge
sites
concurrently
decreasing
energy
barrier.
Meanwhile,
rendered
more
favorable
*H
adsorption
free
S
MoS2,
thereby
protecting
NRR-active
competing
HER
leading
FE.
