RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(4), P. 3008 - 3025
Published: Jan. 1, 2025
The
rapidly
expanding
industrialization
and
global
increase
in
economic
activities
have
drawn
attention
to
the
concerning
accumulation
of
waste.
textile
industry
plays
a
significant
role
environmental
pollution,
especially
water
pollution.
Harmful
dyes
used
during
fabrication
process
are
mixed
with
bodies
through
sewage
or
wastewater
ejected
from
industrial
factories.
These
toxic
not
only
applied
industries
but
also
other
like
pharmaceutical
companies
rubber
manufacturing.
Therefore,
scientists
adopted
alternative
techniques
for
degradation
organic
because
eliminating
drawbacks
traditionally
techniques.
Catalytic
help
safe
easy
nanocatalyst
is
one
best
alternatives.
Accordingly,
use
biomaterials
waste
materials
offers
an
easy,
cost-effective
eco-friendly
approach
synthesis
such
nanocatalysts.
Several
nanocatalysts
been
present
wastewater.
well-known
semi-conductor
selenium
has
several
important
properties,
viz.,
optoelectronic,
photovoltaic,
thermoconductivity,
anisotropy,
research
its
catalytic
application
dye
degradation.
Considering
all
these
points,
nanoparticles
synthesized
via
green
provide
possible
catalyst
current
review
covers
various
aspects
biosynthesis
nanoparticles;
their
as
harmful
dyes,
methylene
blue,
methyl
orange,
rhodamine
B,
alizarin
S,
malachite
green,
sunset
yellow,
fuchsin,
safranin
T,
Congo
red,
bromothymol
blue;
mechanism
process.
This
will
shed
light
on
importance
using
chemistry
towards
different
procedures
explores
interesting
activity
mechanism.
Hence
this
article
be
beneficial
both
industrialists
acdemicians
bridging
gap
between
academic
sceintists.
Nanotechnology,
Journal Year:
2021,
Volume and Issue:
33(14), P. 142001 - 142001
Published: Dec. 16, 2021
Metal
oxides
are
well-known
materials
that
have
been
considered
as
the
prominent
photocatalysts.
Photocatalysis
is
a
promising
way
to
address
environmental
issues
which
caused
by
fossil
fuel
combustion
and
industrial
pollutants.
Lot
of
efforts
such
doping
metal
with
metals,
non-metals
made
enhance
their
photocatalytic
activity.
More
specifically,
in
this
review
we
discussed
detailed
synthesis
procedures
rare
earth
doped
performed
past
decades.
The
advantage
metals
they
readily
combine
functional
groups
due
4f
vacant
orbitals.
Moreover,
causes
absorbance
shift
visible
region
electromagnetic
spectrum
results
show
photocatalysis
region.
effect
on
different
parameters
band
gap
charge
carrier
recombination
rate
has
great
details.
In
perspective
section,
given
brief
description
about
how
researchers
can
improve
efficiencies
coming
future.
strategies
outcomes
outlined
expected
stimulate
search
for
whole
new
set
efficient
applications.
ACS Omega,
Journal Year:
2022,
Volume and Issue:
7(35), P. 30908 - 30919
Published: Aug. 26, 2022
CuO-ZnO
nanocomposites
(NCs)
were
synthesized
using
an
aqueous
extract
of
Verbascum
sinaiticum
Benth.
(GH)
plant.
X-ray
diffraction
(XRD),
spectroscopic,
and
microscopic
methods
used
to
explore
the
crystallinity,
optical
properties,
morphology,
other
features
samples.
Furthermore,
catalytic
performances
investigated
for
methylene
blue
(MB)
degradation
4-nitrophenol
(4-NP)
reduction.
According
results,
NCs
with
20
wt
%
CuO
showed
enhanced
photocatalytic
activity
against
MB
dye
a
0.017
min-1
rate
constant
compared
0.0027
ZnO
nanoparticles
(NPs).
Similarly,
ratio
5.925
g-1
4-NP
reductions
was
achieved
NCs.
The
results
signified
performance
relative
NPs.
enhancement
could
be
due
synergy
between
CuO,
resulting
in
improved
absorption
visible
light
reduced
electron-hole
(e-/h+)
recombination
rate.
In
addition,
variations
content
affected
Thus,
prepared
V.
make
material
desirable
catalyst
elimination
organic
pollutants.
RSC Advances,
Journal Year:
2023,
Volume and Issue:
13(27), P. 18404 - 18442
Published: Jan. 1, 2023
Photocatalysis
is
a
more
proficient
technique
that
involves
the
breakdown
or
decomposition
of
different
organic
contaminants,
various
dyes,
and
harmful
viruses
fungi
using
UV
visible
light
solar
spectrum.
Metal
oxides
are
considered
promising
candidate
photocatalysts
owing
to
their
low
cost,
efficiency,
simple
fabricating
method,
sufficient
availability,
environment-friendliness
for
photocatalytic
applications.
Among
metal
oxides,
TiO
Materials,
Journal Year:
2023,
Volume and Issue:
16(7), P. 2819 - 2819
Published: April 1, 2023
Zinc
oxide
nanoparticles
(ZnO-NPs)
possess
unique
properties,
making
them
a
popular
material
across
various
industries.
However,
traditional
methods
of
synthesizing
ZnO-NPs
are
associated
with
environmental
and
health
risks
due
to
the
use
harmful
chemicals.
As
result,
development
eco-friendly
manufacturing
practices,
such
as
green-synthesis
methodologies,
has
gained
momentum.
Green
synthesis
using
biological
substrates
offers
several
advantages
over
conventional
approaches,
cost-effectiveness,
simplicity
scaling
up,
reduced
impact.
While
both
dried
dead
living
biomasses
can
be
used
for
synthesis,
extracellular
mode
is
more
commonly
employed.
Although
have
been
successfully
utilized
green
production
ZnO-NPs,
large-scale
remains
challenging
complexity
extracts.
In
addition,
significant
potential
photocatalysis
adsorption
in
remediation
industrial
effluents.
The
ease
use,
efficacy,
quick
oxidation,
byproducts
make
promising
tool
this
field.
This
review
aims
describe
different
substrate
sources
technologies
their
impact
on
properties.
Traditional
chemicals
limit
clinical
field
use.
emergence
algae
creating
safe,
biocompatible,
non-toxic,
economic,
ecological
techniques
gaining
Future
research
required
explore
other
species
biogenic
synthesis.
Moreover,
focuses
how
viable
alternative
methods.
these
industrial-effluent
future
research.
