ACS ES&T Engineering,
Journal Year:
2021,
Volume and Issue:
2(6), P. 975 - 988
Published: Nov. 19, 2021
Developing
new
energy
sources
is
of
critical
significance
to
satisfy
the
growing
demand
and
also
reduce
emissions
carbon
dioxide
(CO2)
gas.
The
conversion
CO2
into
value-added
products
a
promising
strategy
achieve
two
aims
at
once,
both
mitigating
global
warming
issue
filling
huge
gap
between
sustainable
supply.
Photocatalytic
(PC)
photoelectrochemical
(PEC)
reduction
reactions
(CO2RRs),
which
utilize
clean
renewable
solar
access
products,
are
strategies
great
practical
value.
Multicarbon
have
sparked
interest
in
recent
years,
owing
their
higher
densities
larger
market
sizes
than
C1
species.
However,
production
multicarbon
through
PC
PEC
CO2RRs
retarded
by
low
activity
selectivity.
In
this
work,
fundamentals
first
briefly
recalled.
Then,
main
toward
high
CO2RR
selectivity
for
(C2
C3
species,
instead
as
major
or
even
only
product)
discussed,
from
points
photocatalysts,
electrons,
protons
sources,
applied
bias,
reaction
configuration.
Finally,
perspectives
future
challenges
directions
presented.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Growing
global
population,
escalating
energy
consumption,
and
climate
change
threaten
future
security.
Fossil
fuel
combustion,
primarily
coal,
oil,
natural
gas,
exacerbates
the
greenhouse
effect
driving
warming
through
CO
Journal of environmental chemical engineering,
Journal Year:
2022,
Volume and Issue:
10(3), P. 107441 - 107441
Published: Feb. 22, 2022
The
photoelectrochemical
conversion
of
CO2
into
valuable
products
represents
an
attractive
method
to
decrease
the
external
electrical
bias
required
in
electrochemical
approaches.
In
this
work,
TiO2
nanoparticles
with
enhanced
optical
properties,
large
surface
area,
appropriate
morphology,
and
superior
crystallinity
are
synthesized
supercritical
medium
manufacture
light-responsive
photoanodes.
reduction
tests
carried
out
continuous
mode
using
a
photoanode-driven
filter-press
cell
illuminated
UV
LED
lights
(100
mW
cm-2),
consisting
on
(3
mg
cm-2)
supported
onto
porous
carbon
paper
as
photoanode,
Cu
plate
cathode,
1
M
KOH
aqueous
solution
reaction
medium.
main
obtained
from
ethylene
gas
phase,
together
methanol
liquid
phase.
results
show
that
performance
is
improved
under
irradiation
towards
(r
=
147.4
μmol
m−2
s−1;
FE
46.6%)
4.72
15.3%)
comparison
system
dark
(ethylene:
r
24.2
s−1
38.2%;
not
detected),
which
can
be
mainly
ascribed
photocurrent
densities
reached
affect
selectivity
reaction.
Besides,
maximum
solar-to-fuels
values
achieved
for
(5.4%)
(1.9%)
markedly
those
observed
TiO2-P25
photoanodes
same
reactor
configuration
experimental
conditions
(3.7%
1%,
respectively).
Therefore,
these
demonstrate
benefits
TiO2-based
materials
more
efficient
photoelectroreduction
value-added
products.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(7), P. 3281 - 3296
Published: Jan. 1, 2023
The
rising
energy
crisis
and
environmental
problems
are
urging
the
development
of
more
sustainable
organic
synthetic
methods.
Photoelectrocatalytic
synthesis
(PECOS)
is
emerging
as
an
attractive
strategy
because
it
utilizes
solar
power
to
drive
can
greatly
reduce
dependency
on
fossil
fuels.
Recently,
a
variety
reactions
have
been
successfully
realized
using
this
by
rationally
designing
photoelectrode
carefully
tuning
reaction
conditions.
In
review,
we
introduce
categorize
recent
advances
in
PECOS
based
their
specific
types,
ranging
from
photoanode-mediated
alcohol
oxidation,
C–H
functionalization,
furan
sulfide
(photo)
cathode-mediated
situ
H2O2
generation,
cofactor
regeneration,
functionalization
aryl
halides.
material
photoelectrode,
conditions
PECOS,
proposed
mechanism
will
be
highlighted
during
introduction
each
example.
Finally,
conclude
providing
some
perspectives
future
direction
PECOS.
