ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
12(6), P. 7257 - 7269
Published: Jan. 17, 2020
Here,
we
reported
that
sulfur
vacancy-rich
O-doped
1T-MoS2
nanosheets
(denoted
as
SV-1T-MoS2)
can
surpass
the
activity
of
Pt
cocatalysts
to
assist
in
photocatalytic
nitrogen
fixation
CdS
nanorods.
SV-1T-MoS2
exhibit
vacancies,
O-doping,
more
metallic
1T
phase,
and
high
electronic
conductivity,
thus
leading
exposure
active
edge
sites,
Brunauer-Emmett-Teller
surface
area,
enhanced
visible
light
absorption,
improved
electron
separation
transfer,
which
are
beneficial
for
fixation.
Consequently,
optimized
30
wt
%
SV-1T-MoS2-/CdS
composites
an
outstanding
rate
8220.83
μmol
L-1
h-1
g-1
long-term
stability
under
simulated
solar
irradiation,
significantly
higher
than
pure
nanorods,
CdS-Pt
(0.1
%),
1T-MoS2/CdS
composites.
The
catalytic
mechanism
on
is
discussed
by
density
functional
theory
calculations.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
31(32)
Published: June 13, 2019
Abstract
Electrochemical
nitrogen
reduction
reaction
(NRR)
under
ambient
conditions
provides
an
avenue
to
produce
carbon‐free
hydrogen
carriers.
However,
the
selectivity
and
activity
of
NRR
are
still
hindered
by
sluggish
kinetics.
Nitrogen
Vacancies
on
transition
metal
nitrides
considered
as
one
most
ideal
active
sites
for
virtue
their
unique
vacancy
properties
such
appropriate
adsorption
energy
dinitrogen
molecule.
catalytic
performance
is
usually
limited
unstable
feature.
Herein,
a
new
2D
layered
W
2
N
3
nanosheet
prepared
vacancies
demonstrated
be
electrochemical
with
steady
ammonia
production
rate
11.66
±
0.98
µg
h
−1
mg
cata
(3.80
0.32
×
10
−11
mol
cm
−2
s
)
Faradaic
efficiency
11.67
0.93%
at
−0.2
V
versus
reversible
electrode
12
cycles
(24
h).
A
series
ex
situ
synchrotron‐based
characterizations
prove
that
stable
high
valence
state
tungsten
atoms
confinement
effect.
Density
function
theory
calculations
suggest
can
provide
electron‐deficient
environment
which
not
only
facilitates
adsorption,
but
also
lowers
thermodynamic
limiting
potential
NRR.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(17), P. 9817 - 9844
Published: Jan. 1, 2021
This
review
summarizes
the
recent
progress
related
to
field
of
doping
regulation
in
transition
metal
compounds,
aiming
give
an
overview
this
strategy
for
designing
high-performance
catalysts
towards
electrocatalytic
applications.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(25)
Published: April 1, 2021
Abstract
Semiconductor
photocatalysis
acts
as
a
sustainable
green
technology
to
convert
solar
energy
for
environmental
purification
and
production
of
renewable
energy.
However,
the
current
photocatalysts
suffer
from
inefficient
photoabsorption,
rapid
recombination
photogenerated
electrons
holes,
inadequate
surface
reactive
sites.
Introduction
oxygen
vacancies
(OVs)
in
has
been
demonstrated
be
an
efficacious
strategy
solve
these
issues
improve
photocatalytic
efficiency.
This
review
systematically
summarizes
recent
progress
vacant
semiconductor
photocatalysts.
Firstly,
formation
characterizations
OVs
are
briefly
introduced.
Then,
highlighted
roles
reactions
three
types
typical
oxygen‐containing
semiconductors,
including
metal
oxides
(TiO
2
,
ZnO,
WO
3
W
18
O
49
MoO
BiO
2‐x
SnO
etc),
hydroxides
(In(OH)
Ln(OH)
(Ln=La,
Pr,
Nd),
Layered
double
hydroxides)
oxysalts
(bismuth‐based
others)
Moreover,
advanced
applications
photocatalysts,
such
pollutant
removal,
H
production,
CO
reduction,
N
fixation
organic
synthesis
summarized.
Finally,
overview
on
challenges
prospective
future
materials
is
proposed.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
33(6)
Published: March 23, 2020
Abstract
Plasmonic
nanomaterials
coupled
with
catalytically
active
surfaces
can
provide
unique
opportunities
for
various
catalysis
applications,
where
surface
plasmons
produced
upon
proper
light
excitation
be
adopted
to
drive
and/or
facilitate
chemical
reactions.
A
brief
introduction
the
localized
plasmon
resonance
and
recent
design
fabrication
of
highly
efficient
plasmonic
nanostructures,
including
metal
nanostructures
metal/semiconductor
heterostructures
is
given.
Taking
advantage
these
following
highlights
summarize
advances
in
plasmon‐driven
photochemical
reactions
(coupling
reactions,
O
2
dissociation
oxidation
H
hydrogenation
N
fixation
NH
3
decomposition,
CO
reduction)
plasmon‐enhanced
electrocatalytic
(hydrogen
evolution
reaction,
oxygen
reduction
alcohol
reduction).
Theoretical
experimental
approaches
understanding
underlying
mechanism
are
discussed.
discussion
perspective
remaining
challenges
future
plasmon‐related
chemistry
field
energy
conversion
storage
given
conclusion.
ACS Catalysis,
Journal Year:
2019,
Volume and Issue:
9(11), P. 9739 - 9750
Published: Sept. 17, 2019
Approximately
2%
of
the
energy
consumed
by
humans
each
year
is
used
to
make
nitrogen-based
fertilizers,
with
ammonia
(NH3)
production
being
most
significant
contributor
this
demand.
Currently,
NH3
synthesized
Haber–Bosch
process,
an
energy-intensive
synthesis
requiring
both
high
temperatures
(400–500
°C)
and
pressures
(150–250
atm)
achieve
meaningful
rates
N2
conversion.
As
a
means
reducing
input
carbon
footprint
synthesis,
researchers
are
now
seeking
more
environmentally
friendly
approaches
for
fixation.
Photocatalytic
using
sunlight
semiconductor
photocatalyst,
represents
one
promising
strategies
(typically
employing
water
as
agent).
Rates
photocatalytic
currently
too
low
justify
serious
practical
consideration,
which
can
be
traced
sluggish
adsorption/activation
kinetics
molecule
on
catalyst
surfaces
under
ambient
temperature
pressure
conditions.
Recent
studies
have
highlighted
potential
defect
engineering
boosting
light-harvesting,
charge
separation,
adsorption
characteristics
photocatalysts
in
reductive
processes
such
splitting
CO2
reduction.
Herein,
we
explore
similarly
enhance
Special
emphasis
placed
structure
modulation
(especially
2D
materials
porous
structures)
interface
(including
vacancy
creation,
metal
doping,
strain)
enhancing
activation
The
overarching
aim
Perspective
provide
snapshot
recent
breakthroughs
rational
design
thus
providing
useful
scaffold
future
research
very
exciting
emerging
field.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
32(18)
Published: Dec. 9, 2019
Photocatalytic
and
photoelectrochemical
processes
are
two
key
systems
in
harvesting
sunlight
for
energy
environmental
applications.
As
both
employing
photoactive
semiconductors
as
the
major
active
component,
strategies
have
been
formulated
to
improve
properties
of
better
performances.
However,
requirements
yield
excellent
performances
different
these
distinctive
systems.
Although
there
universal
applicable
performance
semiconductors,
similarities
differences
exist
when
be
used
differently.
Here,
considerations
on
selected
typical
factors
governing
photocatalytic
systems,
even
though
same
type
semiconductor
is
used,
provided.
Understanding
underlying
mechanisms
relation
their
photoactivities
fundamental
importance
rational
design
high-performing
materials,
which
may
serve
a
general
guideline
fabrication
good
photocatalysts
or
photoelectrodes
toward
sustainable
solar
fuel
generation.
ACS Catalysis,
Journal Year:
2020,
Volume and Issue:
10(12), P. 6870 - 6899
Published: May 26, 2020
Ammonia
(NH3),
one
of
the
basic
chemicals
in
most
fertilizers
and
a
promising
carbon-free
energy
storage
carrier,
is
typically
synthesized
via
Haber–Bosch
process
with
high
consumption
massive
emission
greenhouse
gases.
The
photo/electrocatalytic
nitrogen
reduction
reaction
(NRR)
under
ambient
conditions
has
attracted
increasing
interests
recently,
providing
alternative
routes
to
realize
green
NH3
synthesis.
Despite
rapid
advances
achieved
this
attractive
research
field,
unsatisfactory
conversion
efficiency
including
low
yield
rate,
limited
Faradaic
or
apparent
quantum
still
remains
as
great
challenge.
NRR
performance
intrinsically
related
electronic
surface
structure
catalysts.
Rational
design
preparation
advanced
catalysts
are
indispensable
improve
(e.g.,
activity
selectivity)
NRR.
In
Review,
various
strategies
for
development
desirable
comprehensively
summarized,
mainly
containing
defect
engineering,
structural
manipulation,
crystallographic
tailoring,
interface
regulation.
State-of-the-art
heterogeneous
catalysts,
prevailing
theories
underlying
catalytic
mechanisms,
together
current
issues,
critical
challenges,
perspectives
discussed.
It
highly
expected
that
Review
will
promote
understanding
recent
area
stimulate
greater
designing
future.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(23)
Published: March 9, 2022
Abstract
2D
materials
show
many
particular
properties,
such
as
high
surface‐to‐volume
ratio,
anisotropic
degree,
and
adjustable
chemical
functionality.
These
unique
properties
in
have
sparked
immense
interest
due
to
their
applications
photocatalytic
systems,
resulting
significantly
enhanced
light
capture,
charge‐transfer
kinetics,
surface
reaction.
Herein,
the
research
progress
photocatalysts
based
on
varied
compositions
functions,
followed
by
specific
modification
strategies,
is
introduced.
Fundamental
principles
focusing
harvesting,
charge
separation,
molecular
adsorption/activation
2D‐material‐based
system
are
systemically
explored.
The
examples
described
here
detail
use
of
various
energy‐conversion
including
water
splitting,
carbon
dioxide
reduction,
nitrogen
fixation,
hydrogen
peroxide
production,
organic
synthesis.
Finally,
elaborating
challenges
possible
solutions
for
developing
these
materials,
review
expected
provide
some
inspiration
future
used
efficient
energy
conversions.
