Abstract
Photo‐electrochemical
(PEC)
water
splitting,
as
an
essential
and
indispensable
research
branch
of
solar
energy
applications,
has
achieved
increasing
attention
in
the
past
decades.
Between
two
photoelectrodes,
photoanodes
for
PEC
oxidation
are
mostly
studied
facile
selection
n‐type
semiconductors.
Initially,
efficiency
process
is
rather
limited,
which
mainly
results
from
existing
drawbacks
such
instability
serious
charge‐carrier
recombination.
To
improve
performances,
researchers
gradually
focus
on
exploring
many
strategies,
among
engineering
photoelectrodes
with
suitable
cocatalysts
one
most
feasible
promising
methods
to
lower
reaction
obstacles
boost
splitting
ability.
Here,
basic
principles,
modules
system,
evaluation
parameters
reactions
occurring
surface
photoanodes,
functions
promotion
performance
demonstrated.
Then,
key
progress
cocatalyst
design
construction
applied
oxygen
evolution
emphatically
introduced
influences
different
kinds
elucidated
detail.
Finally,
outlook
highly
active
photosynthesis
also
included.
Nano Futures,
Год журнала:
2017,
Номер
1(2), С. 022001 - 022001
Опубликована: Авг. 25, 2017
Abstract
Artificial
photosynthesis
via
solar
water
splitting
provides
a
promising
approach
to
storing
energy
in
the
form
of
hydrogen
on
global
scale.
However,
an
efficient
and
cost-effective
production
system
that
can
compete
with
traditional
methods
using
fossil
fuels
is
yet
be
developed.
A
photoelectrochemical
(PEC)
tandem
cell
consisting
p-type
photocathode
n-type
photoanode,
photovoltage
provided
by
two
photoelectrodes,
attractive
route
achieve
highly
unassisted
at
low
cost.
In
this
article,
we
provide
overview
recent
developments
semiconductor
materials,
including
metal
oxides,
nitrides,
chalcogenides,
Si,
III–V
compounds
organics,
either
as
photocathodes
or
photoanodes
for
reduction
oxidation,
respectively.
addition,
efforts
constructing
PEC
are
outlined.
The
importance
developing
single-photon
photoanode
deliver
high
photocurrent
bias
region
highlighted.
Finally,
discuss
future
development
photoelectrode
viable
solutions
realize
device
practical
applications.
Chemical Society Reviews,
Год журнала:
2019,
Номер
48(7), С. 2158 - 2181
Опубликована: Янв. 1, 2019
Water
splitting
for
hydrogen
production
by
harvesting
sunlight
is
widely
accepted
as
one
of
the
most
promising
routes
to
relieve
energy
crisis
and
environmental
issues
caused
excessive
use
fossil
fuels.
Earth-abundant
silicon
(Si)
emerging
a
suitable
candidate
photoelectrode
material
efficient
solar
water
splitting.
This
review
describes
current
status
prospects
single-crystal
Si-based
photoelectrodes
in
photoelectrochemical
(PEC)
production.
We
start
with
highlighting
recent
achievements
photocathodes
photoanodes
PEC
reduction
oxidation.
then
discuss
progress
design
fabrication
unbiased
cells
photoelectrodes.
Finally,
we
provide
an
overview
from
optimization
electrode
(both
photocathode
photoanode)
integration
full
cell
unassisted
overall
Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Янв. 16, 2020
Abstract
Photoelectrochemical
water
splitting
provides
a
promising
solution
for
harvesting
and
storing
solar
energy.
As
the
best-performing
oxide
photocathode,
Cu
2
O
photocathode
holds
performance
rivaling
that
of
many
photovoltaic
semiconductor-based
photocathodes
through
continuous
research
development.
However,
state-of-the-art
employs
gold
as
back
contact
which
can
lead
to
considerable
electron-hole
recombination.
Here,
we
present
with
overall
improved
performance,
enabled
by
using
solution-processed
CuSCN
hole
transport
material.
Two
types
different
structures
are
synthesized
carefully
compared.
Furthermore,
detailed
characterizations
reveal
between
is
assisted
band-tail
states.
Owing
multiple
advantages
applying
layer,
standalone
tandem
cell
built,
delivering
solar-to-hydrogen
efficiency
4.55%.
Finally,
approaches
towards
more
efficient
dual-absorber
tandems
discussed.
Metals,
Год журнала:
2020,
Номер
10(12), С. 1604 - 1604
Опубликована: Ноя. 29, 2020
Energy
is
the
fundamental
requirement
of
all
physical,
chemical,
and
biological
processes
which
are
utilized
for
better
living
standards.
The
toll
that
process
development
takes
on
environment
economic
activity
evident
from
arising
concerns
about
sustaining
industrialization
has
happened
in
last
centuries.
increase
carbon
footprint
large-scale
pollution
caused
by
led
researchers
to
think
new
ways
sustain
developmental
activities,
whilst
simultaneously
minimizing
harming
effects
enviroment.
Therefore,
decarbonization
strategies
have
become
an
important
factor
industrial
expansion,
along
with
invention
catalytic
methods
carrying
out
non-thermal
reactions,
energy
storage
environmental
remediation
through
removal
or
breakdown
harmful
chemicals
released
during
manufacturing
processes.
present
article
discusses
structural
features
photocatalytic
applications
a
variety
metal
oxide-based
materials.
Moreover,
practical
applicability
these
materials
also
discussed,
as
well
transition
production
scale.
Consequently,
this
study
deals
concise
framework
link
oxide
application
options
within
energy,
sustainability,
exploring
analysis
well.
ACS Energy Letters,
Год журнала:
2020,
Номер
5(3), С. 844 - 866
Опубликована: Фев. 7, 2020
Photoelectrochemical
(PEC)
water
splitting
represents
a
promising
route
to
convert
solar
energy
into
clean
hydrogen.
Constructing
tandem
cells
has
emerged
as
feasible
approach
and
attracted
tremendous
attention
for
self-biased
splitting,
especially
using
low-cost
stable
metal
oxides.
Herein,
state-of-the-art
review
of
oxide-based
PEC/photovoltaic
(PV)
PEC
is
comprehensively
presented,
with
focus
on
crucial
issues
designing
efficient
devices
from
the
aspects
photoanodes,
photocathodes,
photovoltaics.
Different
device
configurations
efficiency
limitations
are
introduced,
advances
PEC/PV
in
terms
material
design
optimization
discussed.
Metal
have
shown
solar-to-hydrogen
efficiencies
∼8%,
which
approaching
practicality.
Perspectives
remaining
challenges
potential
strategies
outlined.
