Beilstein Journal of Nanotechnology,
Journal Year:
2023,
Volume and Issue:
14, P. 291 - 321
Published: March 3, 2023
A
serious
threat
to
human
health
and
the
environment
worldwide,
in
addition
global
energy
crisis,
is
increasing
water
pollution
caused
by
micropollutants
such
as
antibiotics
persistent
organic
dyes.
Nanostructured
semiconductors
advanced
oxidation
processes
using
photocatalysis
have
recently
attracted
a
lot
of
interest
promising
green
sustainable
wastewater
treatment
method
for
cleaner
environment.
Due
their
narrow
bandgaps,
distinctive
layered
structures,
plasmonic,
piezoelectric
ferroelectric
properties,
desirable
physicochemical
features,
bismuth-based
nanostructure
photocatalysts
emerged
one
most
prominent
study
topics
compared
commonly
used
(TiO
2
ZnO).
In
this
review,
recent
developments
use
based
on
bismuth
(e.g.,
BiFeO
3
,
Bi
MoO
6
BiVO
4
WO
S
)
remove
dyes
from
are
thoroughly
covered.
The
creation
Z-schemes,
Schottky
junctions,
heterojunctions,
well
morphological
modifications,
doping,
other
highlighted
regarding
fabrication
with
improved
photocatalytic
capabilities.
discussion
general
mechanisms
included,
along
potential
antibiotic
dye
degradation
pathways
wastewater.
Finally,
areas
that
require
additional
attention
usage
removing
pharmaceuticals
textile
wastewater,
particularly
real-world
applications,
addressed.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(3)
Published: Jan. 16, 2024
Abstract
A
number
of
carcinogenic
dyes
and
microbial
infections
have
negative
effects
on
living
being.
These
also
a
detrimental
effect
water
quality
responsible
for
major
health
problems.
ZnO/GO
nanocomposites
(NCs)
(10
wt.
%
GO)
is
synthesized
via
one
pot
ecofriendly
route.
It
utilized
photocatalytic
degradation
aqueous
solution
Malachite
green
(MG),
Crystal
violet
(CV)
first
time
mixture
pollutants
(CV+MG)
in
1
:
2
ratio.
NCs
are
analyzed
by
using
many
techniques
such
as
P‐XRD,
FE‐SEM,
HR‐TEM,
BET
UV‐Vis
spectrophotometer.
Kinetics
mechanism
explored.
The
followed
the
order
(1
2)
binary
system
>
MG
CV
dyes.
On
other
hand,
an
antibacterial
activity
investigated
against
Gram
positive
(+ve)
bacteria
Staphylococcus
aureus
(S.
aureus),
Enterococcus
faecalis
(E
.
faecalis)
well
(−ve)
Escherichia
coli
(E.
coli),
Citrobacter
sp
order:
E.
S.
~
inhibition
zones
diameters
20,
15,
15
10
mm
respectively
which
comparable
with
standard
drug
Gentamycin.
