ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(22), P. 16673 - 16686
Published: Oct. 29, 2024
Methane
is
both
a
greenhouse
gas
and
an
abundant
C1
fuel
resource
that
exists
in
nature.
The
selective
photocatalytic
upgrading
of
methane
into
multicarbon
(C2+)
chemicals
can
mitigate
the
effect
promote
utilization
value
methane,
which
C–C
coupling
step
key
to
production
products.
Achieving
this
targeted
under
ambient
temperature
pressure
conditions
requires
efficient
activation
C–H
bonds
as
well
balancing
adsorption
desorption
various
free
radicals
intermediates
facilitate
coupling.
In
Review,
we
delve
recent
advances
C2+
importance
catalyst
design,
including
active
site
assembly,
crystal
surface,
valence
reconstruction,
first
emphasized.
Then,
discuss
how
coreactants
such
carbon
dioxide
monoxide
be
introduced
enhance
chain
growth
pathways.
Furthermore,
also
summarize
developments
looping
systems
photoelectrocatalysis.
Finally,
conclude
with
outlook
for
future
advancement
field.
This
Review
aims
provide
general
framework
investigating
reactions
toward
products,
thereby
suggesting
research
directions
environmentally
friendly
strategies.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(12)
Published: Jan. 17, 2024
Abstract
Methane
photooxidation
into
methanol
offers
a
practical
approach
for
the
generation
of
high‐value
chemicals
and
efficient
storage
solar
energy.
However,
propensity
C─H
bonds
in
desired
products
to
cleave
more
easily
than
those
methane
molecules
results
continuous
dehydrogenation
process,
inevitably
leading
peroxidation.
Consequently,
inhibiting
peroxidation
is
perceived
as
one
most
formidable
challenges
field
direct
conversion
methanol.
This
review
thorough
overview
typical
mechanisms
involved
radical
mechanism
active
site
regulatory
methods
employed
inhibit
product
photooxidation.
Additionally,
several
perspectives
on
future
research
direction
this
crucial
are
proposed.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Partial
oxidation
of
methane
(POM)
is
achieved
by
forming
air-methane
microbubbles
in
saltwater
to
which
an
alternating
electric
field
applied
using
a
copper
oxide
foam
electrode.
The
solubility
increased
putting
it
contact
with
water
containing
dissolved
KCl
or
NaCl
(3%).
Being
fully
dispersed
as
(20-40
µm
diameter),
reacts
more
hydroxyl
radicals
(OH·)
at
the
gas-water
interface.
voltage
(100
mV)
generates
two
synergistic
POM
processes
dominated
Cl-
→
Cl·
+
e-
and
O2
-•
under
positive
negative
potentials,
respectively.
By
tuning
frequency
amplitude,
extent
path
process
can
be
precisely
controlled
so
that
than
90%
methanol
selectively
formed
compared
byproducts,
dichloromethane,
acetic
acid.
conversion
yield
estimated
57%
rate
approximately
887
µM
h-1.
This
method
appears
have
potential
for
removing
from
air
seawater
converting
higher-concentration
sources
into
value-added
methanol.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
At
atmospheric
pressure,
the
main
challenge
in
photocatalytic
oxidation
of
CH4
to
CH3OH
is
absorb
and
activate
inert
C─H
bond
while
preventing
excessive
CH3OH.
In
this
study,
metal-supported
ZnO
nanoflowers
(Ag-ZnO)
are
designed
produce
abundant
active
interfacial
oxygen
sites
for
at
with
a
yield
reaching
1300
µmol
gcat
-1
h-1
selectivity
94%.
DFT
calculation
situ
analysis
show
that
addition
Ag
regulates
electron
state
density
band
center
O,
which
beneficial
adsorption
CH4,
decreases
dissociation
energy
barrier
OL(Lattice
oxygen)
site.
The
further
selective
conversion
·CH3
involves
two
different
pathways:
one
pathway
consists
by
OL,
other
combination
·OH
generated
from
dissolved
O2
(0.28
mm)
water.
Notably,
photochemical
flow
device,
increased
5200
close
100%.
This
work
offers
valuable
insights
into
reactive
interfaces,
morphological
engineering,
control
intermediate
evolution
toward
oxygenates
pressure.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: June 1, 2025
Abstract
Promoted
by
the
goal
of
global
energy
transformation
and
carbon
neutrality,
green
hydrogen
production
technology
driven
solar
has
become
a
key
strategic
direction
to
break
through
bottleneck
environment.
Traditional
photocatalytic
water
decomposition
method
for
is
limited
low
kinetic
efficiency
oxidation
half‐reaction
dependence
on
high‐cost
harmful
sacrifice
agents,
therefore
it
urgent
seek
potential
sustainable
alternative.
In
this
review
work,
relevant
research
progress
different
metal
sulfide
photocatalysts
in
evolution
(PHE)
multilevel
biomass
resources
waste
plastics
reviewed.
First,
structure
modification
strategy
sulfides
are
discussed,
PHE
mechanism
multi‐scale
synergistic
effect
analyzed.
Second,
effective
strategies
process
summarized.
addition,
vital
industrialization
also
evaluated
from
aspects
environmental
impact
economic
feasibility.
Finally,
development
material‐process‐artificial
intelligence
integration
innovation
prospected,
providing
theoretical
guidance
technical
path
laboratory
large‐scale
application.
