In
this
research
work,
pure
magnetite
Fe3O4
(F),
bismuth
doped
(FB),
reduced
graphene
oxide
(FR)
and
bismuth-rGO
co
(FBR)
were
prepared
successfully
by
facile
co-precipitation
technique.
The
structural,
optical,
FTIR
morphological
analysis
of
the
samples
carried
out.
XPS-
Photo
electron
spectroscopy
indicates
presence
relevant
elements
oxidation
states.
BET
surface
shows
enhanced
area
in
co-doped
due
to
addition
rGO.
photocatalytic
activity
materials
(F,
FB,
FR,
FBR)
against
several
organic
dyes
[MB,
Rho-b,
Congo
red
(CR)]
was
investigated.
antibacterial
studied
using
disc
diffusion
method
various
gram
positive
negative
bacterium,
result
reveals
that
nano
composite
high
antimicrobial
activity.
synthesised
also
used
as
electrode
for
supercapacitors.
electrochemical
performance
FBR-based
supercapacitor
device
good,
it
exhibited
a
specific
capacitance
888
Fg-1
at
current
density
1
Ag-1.
From
CV
analysis,
measured
315
three-electrode
configuration.
symmetric
has
been
constructed
rGO
312
Fg-1,
energy
62.30
W
h
Kg-1,
power
719.79
Kg-1
0.3
Ag-1
with
notable
cyclic
stability
about
89%
had
average
capacity
retention
excellent
coulombic
efficiency
which
is
95%
up
8000
cycles
retained
even
after
18,000
cycles.
Technologies,
Год журнала:
2023,
Номер
11(5), С. 144 - 144
Опубликована: Окт. 17, 2023
Environmental
pollution
poses
a
pressing
global
challenge,
demanding
innovative
solutions
for
effective
pollutant
removal.
Photocatalysts,
particularly
titanium
dioxide
(TiO2),
are
renowned
their
catalytic
prowess;
however,
they
often
require
ultraviolet
light
activation.
Researchers
had
turned
to
doping
with
metals
and
non-metals
extend
utility
into
the
visible
spectrum.
While
this
approach
shows
promise,
it
also
presents
challenges
such
as
material
stability
dopant
leaching.
Co-doping,
involving
both
non-metals,
has
emerged
viable
strategy
mitigate
these
limitations.
Inthe
fieldof
adsorbents,
carbon-based
materials
doped
nitrogen
gaining
attention
improved
adsorption
capabilities
CO2/N2
selectivity.
Nitrogen
enhances
surface
area
fosters
interactions
between
acidic
CO2
molecules
basic
functionalities.
The
optimal
combination
of
an
ultramicroporous
specific
functional
groups
is
key
achievehigh
uptake
values
integration
photocatalysis
processes
in
shown
synergistic
removal
efficiency.
Various
synthesis
methods,
including
sol–gel,
co-precipitation,
hydrothermal
approaches
been
employed
create
hybrid
units
photocatalysts
adsorbents.
progress
made
enhancing
performance
at
laboratory
scale,
persist
transitioning
technologies
large-scale
industrial
applications.
Rigorous
studies
needed
investigate
impact
on
structure
stability,
optimize
process
parameters,
assess
real-world
reactors.
These
advancements
promising
foraddressing
environmental
challenges,
promoting
sustainability,
paving
way
cleaner
healthier
future.
This
manuscript
provides
comprehensive
overview
recent
developments
strategies
offering
insights
potential
revolutionize
remediation
technologies.
Nanomaterials,
Год журнала:
2023,
Номер
13(17), С. 2494 - 2494
Опубликована: Сен. 4, 2023
This
work
reports
on
the
photocatalytic
activity
of
tin
oxide
(SnO2)-doped
magnesium
(Mg)
and
fluorine
(F)
nanoparticles
for
methyl
orange
safranin
dye
degradation
under
sunlight
irradiation.
Nanocatalysis-induced
was
examined
using
UV–visible
spectroscopy
a
pseudo-first-order
kinetics
model.
The
results
indicate
that
prepared
exhibit
superior
activity,
(MO)
is
approximately
82%.
In
contrast,
96%
in
same
time
interval
105
min.
calculated
crystallite
size
SnO2–Mg–F
nanocomposite
29.5
nm,
which
respects
particle
found
DLS
analysis
with
tetragonal
structure
spherical
morphology
affirmed.
optical
characteristics
were
assessed,
their
respective
bandgap
energies
determined
to
be
3.6
eV.
influence
F
Mg
SnO2
recognized
XRD
FT-IR
spectra
particles.
Energy & Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
To
improve
energy
storage
and
photocatalytic
(PC)
activity
for
the
removal
of
organic
pollutants,
we
synthesize
pure
Mn-doped
stannic
oxide
at
different
concentrations
in
this
work.
The
physicochemical
parameters
synthesized
materials
were
investigated
employing
a
variety
analytical
instruments.
Here,
samples
using
simple
hydrothermal
approach.
At
5
A/g
current
density,
maximum
specific
capacitance
325
F/g
was
demonstrated
by
electrode.
After
1000
continuous
cycles
charging
discharging,
84.83%
retention
noted.
Additionally,
when
NPs
are
utilized
as
photocatalyst
to
reduce
brilliant
green
(BG),
alizarin
red
S
(AR
S),
methyl
orange
(MO)
dyes
presence
sunlight,
shows
highest
degradation
efficiency
96%
compared
all
other
dyes.
Nanomaterials,
Год журнала:
2024,
Номер
14(22), С. 1813 - 1813
Опубликована: Ноя. 13, 2024
This
article
presents
the
results
of
formation
hierarchical
micro-nano
structures
in
nanostructured
tin
dioxide
films
obtained
from
lyophilic
film-forming
system
SnCl
Nanoscale Advances,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Water
pollution
from
dyes
in
wastewater
is
a
critical
global
issue,
as
these
stable
organic
resist
biodegradation,
posing
serious
threats
to
aquatic
ecosystems.
To
address
this
situation,
advanced
photocatalysts
have
been
developed.
Here,
NiFe
