International Journal of Environmental & Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 22
Published: Dec. 28, 2023
Phenolic
compounds
pose
a
significant
hazard
in
water
bodies
due
to
their
widespread
presence.
Among
these,
nitrophenol
(NP)
stand
out
as
distinct
class
of
phenolic
derivatives
with
high
solubility,
causing
contamination
aquatic
ecosystems.
A
notably
economical
and
environmentally
judicious
approach
involves
the
reduction
NP
aminophenol
(AP),
particularly
conversion
4-NP
4-AP.
This
specific
transformation
holds
substantial
value
4-AP
serves
versatile
precursor
pharmaceutical
synthesis.
comprehensive
review
focuses
on
photoreduction
into
AP
utilising
various
metal
oxide
photocatalysts.
The
integration
diverse
dopants,
cocatalysts,
construction
heterojunction
interfaces
emerges
pivotal
strategy
for
augmenting
light-harvesting
capacity
oxides.
address
(1)
an
exploration
photocatalysts
efficacious
reduction,
(2)
analysis
factors
exerting
influence
over
efficiency,
(3)
intricate
examination
strategies
employed
modification
catalysts.
Additionally,
this
paper
presents
future
prospects
advance
composite
oxides
photoreduction.
Materials,
Journal Year:
2024,
Volume and Issue:
17(2), P. 527 - 527
Published: Jan. 22, 2024
Hydrosphere
pollution
by
organic
pollutants
of
different
nature
(persistent
dyes,
phenols,
herbicides,
antibiotics,
etc.)
is
one
the
urgent
ecological
problems
facing
humankind
these
days.
The
task
water
purification
from
such
can
be
effectively
solved
with
help
modern
photocatalytic
technologies.
This
article
devoted
to
study
properties
composite
catalysts
based
on
ZnO
modified
plasmonic
Ag
nanoparticles.
All
materials
were
obtained
laser
synthesis
in
liquid
and
differed
their
silver
content
preparation
conditions,
as
additional
irradiation
and/or
annealing
produced
powders.
prepared
ZnO-Ag
powders
investigated
electron
microscopy,
X-ray
diffraction
UV-Vis
spectroscopy.
Photocatalytic
tests
carried
out
well-
known
test
molecules
dye
rhodamine
B,
phenol
common
antibiotic
tetracycline)
using
LED
light
sources
wavelengths
375
410
nm.
introduction
small
concentrations
(up
1%)
nanoparticles
shown
increase
efficiency
photocatalyst
expanding
its
spectral
range.
Both
conditions
material
composition
optimized
obtain
photocatalysts
highest
efficiency.
Finally,
operation
mechanisms
distribution
are
discussed.
