Nanoscale,
Journal Year:
2023,
Volume and Issue:
15(19), P. 8548 - 8577
Published: Jan. 1, 2023
A
photocatalytic
system
driven
by
solar
light
is
one
of
the
promising
strategies
for
converting
CO2
into
valuable
energy.
The
reduction
to
CH4
widely
studied
since
has
a
high
energy
density
as
main
component
nonrenewable
natural
gas.
Therefore,
it
necessary
develop
semiconductor
materials
with
activity
and
selectivity.
Graphitic
carbon
nitride
(g-C3N4/CN)
attracted
widespread
attention
due
its
excellent
redox
ability
visible
response.
hybrid
constructed
loading
cocatalysts
on
g-C3N4
can
significantly
improve
yield
target
products,
serve
general
platform
explore
mechanism
reaction.
Herein,
we
briefly
introduce
theory
selective
photoreduction
basic
properties
cocatalysts.
Then,
several
typical
configurations
modification
cocatalyst/CN
systems
promoting
production
are
presented
in
detail.
In
particular,
systematically
summarize
application
composite
photocatalysts
methane,
according
classification
(monometal,
bimetal,
metal-based
compound,
nanocarbon
materials).
Finally,
challenges
perspectives
developing
cocatalyst/g-C3N4
selectivity
guide
rational
design
catalysts
performance
future.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(10), P. 4286 - 4297
Published: March 1, 2023
The
alternative
use
of
electric
energy
by
renewable
to
supply
power
for
catalytic
oxidation
pollutants
is
a
sustainable
technology,
requiring
competent
catalyst
realize
efficient
utilization
light
and
drive
the
reaction.
Herein,
in
situ-synthesized
manganese
oxide
heterostructure
composites
are
developed
through
solvothermal
reduction
subsequent
calcination
amorphous
(AMO).
95%
toluene
conversion
80%
CO2
mineralization
were
achieved
over
calcined
at
250
°C
(AMO-250)
under
irradiation,
stability
was
maintained
least
40
h.
Highly
energy,
uniformly
dispersed
nanoparticles,
large
specific
surface
area,
improved
metal
reducibility,
oxygen
desorption
migration
ability
low
temperature
contribute
good
activity
AMO-250.
Light
activated
more
lattice
participate
reaction
via
Mars-van
Krevelen
(MvK)
mechanism,
traditional
e--h+
photocatalytic
behavior
exists
AMO-250
composite
as
an
auxiliary
degradation
path.
pathways
photothermocatalysis
thermocatalysis
close,
except
emergence
different
copolymers,
where
enhances
deep
intermediates.
A
proof-of-concept
study
natural
sunlight
has
confirmed
feasibility
practical
application
photothermocatalytic
pollutants.
Nanoscale,
Journal Year:
2023,
Volume and Issue:
15(19), P. 8548 - 8577
Published: Jan. 1, 2023
A
photocatalytic
system
driven
by
solar
light
is
one
of
the
promising
strategies
for
converting
CO2
into
valuable
energy.
The
reduction
to
CH4
widely
studied
since
has
a
high
energy
density
as
main
component
nonrenewable
natural
gas.
Therefore,
it
necessary
develop
semiconductor
materials
with
activity
and
selectivity.
Graphitic
carbon
nitride
(g-C3N4/CN)
attracted
widespread
attention
due
its
excellent
redox
ability
visible
response.
hybrid
constructed
loading
cocatalysts
on
g-C3N4
can
significantly
improve
yield
target
products,
serve
general
platform
explore
mechanism
reaction.
Herein,
we
briefly
introduce
theory
selective
photoreduction
basic
properties
cocatalysts.
Then,
several
typical
configurations
modification
cocatalyst/CN
systems
promoting
production
are
presented
in
detail.
In
particular,
systematically
summarize
application
composite
photocatalysts
methane,
according
classification
(monometal,
bimetal,
metal-based
compound,
nanocarbon
materials).
Finally,
challenges
perspectives
developing
cocatalyst/g-C3N4
selectivity
guide
rational
design
catalysts
performance
future.
