Catalysts,
Journal Year:
2023,
Volume and Issue:
13(2), P. 380 - 380
Published: Feb. 9, 2023
It
is
well-documented
that
large-scale
pollution
generated
by
human
activity
has
a
dramatic
impact
on
ecosystems.
In
this
context,
removing
harmful
chemicals
via
photocatalysis
tremendous
potential
as
depollution
method,
utilizing
freely
available
solar
light
and
catalytic
materials
with
low
or
negligible
ecotoxicity.
The
main
drawbacks,
which
aren’t
often
addressed
in
the
literature,
are
formation
of
intermediate
products,
reaction
rates,
limited
catalyst
stability,
difficult
recovery.
most
cases,
published
works
assess
efficiency
tested
photocatalysts
from
pollutant
degradation
studies,
whereas
identifying
quantifying
by-products
not
conducted.
This
review
summarizes
recent
advances
reported
for
photocatalytic
removal
some
organic
(e.g.,
alcohols,
carboxylic
acids,
volatile
compounds,
phenol)
inorganic
NO3−)
contaminants.
various
UV-
visible-light
active
pathways
were
explained,
emphasizing
factors
contributing
to
their
mineralization.
mechanisms,
identification
quantification
intermediates,
implication
reactive
species
(ROS)
discussed
analyzed
each
category
model
target
pollutant.
Additionally,
actual
challenges
future
approaches
improve
environmental
remediation
presented.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
119(6), P. 3962 - 4179
Published: Feb. 14, 2019
Photoreduction
of
CO2
into
sustainable
and
green
solar
fuels
is
generally
believed
to
be
an
appealing
solution
simultaneously
overcome
both
environmental
problems
energy
crisis.
The
low
selectivity
challenging
multi-electron
photoreduction
reactions
makes
it
one
the
holy
grails
in
heterogeneous
photocatalysis.
This
Review
highlights
important
roles
cocatalysts
selective
photocatalytic
reduction
using
semiconductor
catalysts.
A
special
emphasis
this
review
placed
on
key
role,
design
considerations
modification
strategies
for
photoreduction.
Various
cocatalysts,
such
as
biomimetic,
metal-based,
metal-free,
multifunctional
ones,
their
are
summarized
discussed,
along
with
recent
advances
area.
provides
useful
information
highly
photo(electro)reduction
electroreduction
complements
existing
reviews
various
photocatalysts.
Critical Reviews in Environmental Science and Technology,
Journal Year:
2018,
Volume and Issue:
48(10-12), P. 806 - 857
Published: June 18, 2018
Among
the
most
challenging
problems
that
human
beings
appear
to
face
are
depleting
energy
sources
and
increasing
environmental
pollutions.
Heterogeneous
photocatalytic
processes
rewarding
technology
generate
renewable
degrade
pollutants.
In
these
processes,
semiconductors
used
as
photocatalysts.
ZnO
is
a
widely
photocatalyst,
because
of
its
strong
oxidation
ability,
cost
effectiveness,
non-toxicity,
versatility
in
synthesis,
abundance
nature,
ease
crystallization.
However,
pure
has
some
drawbacks,
due
wide
band
gap,
poor
solar-light
utilization,
rapid
recombination
photoinduced
charge
carriers.
Modification
using
different
strategies
including
coupling
with
narrow
gap
semiconductors,
noble
metal
deposition,
surface
sensitization
by
organic
dyes,
elemental
doping
can
easily
address
shortcomings.
addition,
separation
photocatalysts
from
treated
systems
limits
their
broad
applications.
Incorporation
magnetic
materials
will
help
recycling
external
field.
This
combination
leads
new
generation
photocatalysts,
known
magnetically
separable
The
present
review
provides
helpful
insights
into
preparation
based
on
applications
for
degradations
Catalysts,
Journal Year:
2019,
Volume and Issue:
9(1), P. 52 - 52
Published: Jan. 7, 2019
This
review
analyzes
the
preparation
and
characterization
of
metal
organic
frameworks
(MOFs)
their
application
as
photocatalysts
for
water
purification.
The
study
begins
by
highlighting
problem
scarcity
different
solutions
purification,
including
photocatalysis
with
semiconductors,
such
MOFs.
It
also
describes
methodologies
that
can
be
used
synthesis
MOFs,
paying
attention
to
purification
activation
steps.
MOFs
approaches
followed
learn
photocatalytic
processes
are
detailed.
Finally,
work
reviews
literature
focused
on
degradation
contaminants
from
using
MOF-based
under
light
irradiation.
