ACS Applied Materials & Interfaces,
Год журнала:
2020,
Номер
12(6), С. 7257 - 7269
Опубликована: Янв. 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,
Год журнала:
2021,
Номер
33(50)
Опубликована: Апрель 8, 2021
Abstract
Efficient
storage
and
conversion
of
renewable
energies
is
critical
importance
to
the
sustainable
growth
human
society.
With
its
distinguishing
features
high
hydrogen
content,
energy
density,
facile
storage/transportation,
zero‐carbon
emission,
ammonia
has
been
recently
considered
as
a
promising
carrier
for
long‐term
large‐scale
storage.
Under
this
scenario,
synthesis,
storage,
utilization
are
key
components
implementation
ammonia‐mediated
system.
Being
different
from
fossil
fuels,
normally
have
intermittent
variable
nature,
thus
pose
demands
on
improvement
existing
technologies
simultaneously
development
alternative
methods
materials
synthesis
The
release
in
an
efficient
manner,
other
hand,
vital
achieve
supply
complete
nitrogen
circle.
Herein,
recent
advances
thermal‐,
electro‐,
plasma‐,
photocatalytic
or
separation,
thermal/electrochemical
decomposition
summarized
with
emphasis
latest
developments
new
(catalysts,
electrodes,
sorbents)
these
processes.
challenges
potential
solutions
discussed.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(28)
Опубликована: Апрель 25, 2021
Abstract
It
is
a
well‐known
fact
that
the
pronounced
photogenerated
charge
recombination
and
poor
light
absorption
are
main
bottlenecks
of
photocatalysis
applications.
The
conventional
approaches
to
address
these
problems
involve
bandgap
engineering
suppression
after
irradiation,
which
results
in
an
enhancement
photocatalytic
performance
materials.
However,
most
essential
aspect
surface
modification
engineer
active
sites
on
catalyst
generally
not
given
much
importance.
Contrary
this,
defect
another
approach
by
optical,
separation,
properties
materials
can
be
tuned.
In
this
review
article,
effect
introduction
vacancies
selected
semiconductor
materials,
viz.,
metal
oxides,
perovskite
sulfides,
oxyhalides,
nitrides
comprehensively
summarized.
only
improves
their
optical
transfer
but
also
affects
properties,
helpful
adsorption
reactants
surface.
Herein,
hydrogen
evolution
nitrogen
fixation
applications
vacancy
engineered
discussed
detail
along
with
current
trends,
scalability
requirements,
rigorous
experimental
protocols.
ACS Applied Materials & Interfaces,
Год журнала:
2020,
Номер
12(6), С. 7257 - 7269
Опубликована: Янв. 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.
