Photoelectrochemical
(PEC)
hydrogen
production
from
water
splitting
is
a
green
technology
that
can
solve
the
environmental
and
energy
problems
through
converting
solar
into
renewable
fuel.
The
construction
of
host/guest
architecture
in
semiconductor
photoanodes
has
proven
to
be
an
effective
strategy
improve
solar-to-fuel
conversion
efficiency
dramatically.
In
photoanodes,
absorber
layer
deposited
onto
high-surface-area
electron
collector,
resulting
significant
enhancements
light-harvesting
as
well
charge
collection
separation
efficiency.
present
review
aims
summarize
highlight
recent
state-of-the-art
progresses
designing
with
integrated
enhancement
strategies,
including
i)
light
trapping
effect;
ii)
optimization
conductive
host
scaffolds;
iii)
hierarchical
structure
engineering.
challenges
prospects
for
future
development
nanostructured
are
also
presented.
Nano-Micro Letters,
Год журнала:
2019,
Номер
11(1)
Опубликована: Сен. 21, 2019
Abstract
Since
their
seminal
discovery
in
2011,
two-dimensional
(2D)
transition
metal
carbides/nitrides
known
as
MXenes,
that
constitute
a
large
family
of
2D
materials,
have
been
targeted
toward
various
applications
due
to
outstanding
electronic
properties.
MXenes
functioning
co-catalyst
combination
with
certain
photocatalysts
applied
photocatalytic
systems
enhance
photogenerated
charge
separation,
suppress
rapid
recombination,
and
convert
solar
energy
into
chemical
or
use
it
the
degradation
organic
compounds.
The
performance
greatly
depends
on
composition
morphology
photocatalyst,
which,
turn,
are
determined
by
method
preparation
used.
Here,
we
review
four
different
synthesis
methods
(mechanical
mixing,
self-assembly,
situ
decoration,
oxidation)
reported
for
view
application
photocatalysis.
In
addition,
working
mechanism
photocatalysis
is
discussed
an
outlook
future
research
also
provided.
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.
Nanomaterials,
Год журнала:
2023,
Номер
13(3), С. 546 - 546
Опубликована: Янв. 29, 2023
Nanomaterials
have
attracted
attention
for
application
in
photocatalytic
hydrogen
production
because
of
their
beneficial
properties
such
as
high
specific
surface
area,
attractive
morphology,
and
light
absorption.
Furthermore,
is
a
clean
green
source
energy
that
may
help
to
resolve
the
existing
crisis
increasing
environmental
pollution
caused
by
consumption
fossil
fuels.
Among
various
methods,
water
splitting
most
significant
it
utilizes
solar
light,
freely
available
throughout
world,
activated
via
semiconductor
nanomaterial
catalysts.
Various
types
photocatalysts
are
developed
this
purpose,
including
carbon-based
transition-metal-based
photocatalysts,
each
has
its
advantages
disadvantages.
The
present
review
highlights
basic
principle
techniques
thermochemical
process,
electrocatalytic
direct
enhance
production.
Moreover,
modification
strategies
band
gap
engineering,
alloys,
multiphoton
been
reviewed.
Z-
S-schemes
heterojunction
were
also
Ultimately,
developing
efficient,
practical,
highly
novel
visible-light-harvesting
will
be
discussed,
addition
challenges
involved.
This
can
provide
researchers
with
reference
current
state
affairs,
motivate
them
develop
new
materials
generation.
Catalysts,
Год журнала:
2024,
Номер
14(3), С. 189 - 189
Опубликована: Март 10, 2024
A
large
variety
of
pharmaceutical
compounds
have
recently
been
detected
in
wastewater
and
natural
water
systems.
This
review
highlighted
the
significance
removing
compounds,
which
are
considered
indispensable
emerging
contaminants,
from
Various
advanced
oxidation
processes
(AOPs),
including
UV-H2O2,
Fenton
photo-Fenton,
ozone-based
processes,
photocatalysis,
physical
such
as
sonolysis,
microwave,
electron
beam
irradiation,
regarded
most
viable
methods
to
eliminate
different
categories
discussed.
All
these
AOPs
exhibit
great
promising
techniques,
catalytic
degradation
process
advantages,
disadvantages
each
technique
were
deliberated.
Heterogeneous
photocatalysis
employing
metal
oxides,
particularly
anatase
TiO2
nanoparticles
catalysts
activated
by
UV
light
was
reviewed
terms
electron–hole
separation,
migration
charge
carriers
catalyst
surfaces,
redox
potential
carriers.
brief
overview
also
emphasized
that
TiO2-based
nanomaterials
photocatalysts,
a
combination
other
enhanced
photocatalytic
efficiency.
Finally,
challenges
applying
environmental
remediation
treatments
degrade
mass
spectroscopic
analysis
biological
activity
test
by-products
contaminants
resulting
summarized.
