Molecules,
Год журнала:
2023,
Номер
28(1), С. 456 - 456
Опубликована: Янв. 3, 2023
In
the
marine
environment,
steel
materials
usually
encounter
serious
problems
with
chemical
or
electrochemical
corrosion
and
fouling
by
proteins,
bacteria,
other
organisms.
this
work,
a
green
bifunctional
Z-scheme
CuOx/Ag/P25
heterostructure
coating
material
was
designed
to
achieve
coordination
of
prevention
antifouling
matching
redox
potential
reactive
oxygen
species
304SS.
When
coupled
protected
metal,
open
circuit
under
illumination
negatively
shifted
about
240
mV
(vs.
Ag/AgCl)
photoinduced
current
density
reached
16.6
μA
cm−2.
At
same
time,
more
were
produced
Z-shape
structure,
then
photocatalytic
sterilization
effect
stronger.
Combined
Ag
oxide
Cu,
bacterial
survival
rate
low
(0.006%)
compared
blank
sample.
This
design
provides
strategy
for
developing
dual-functional
photoelectrochemical
anticorrosion
properties.
Materials,
Год журнала:
2023,
Номер
16(6), С. 2170 - 2170
Опубликована: Март 8, 2023
Recently,
efficient
decontamination
of
water
and
wastewater
have
attracted
global
attention
due
to
the
deficiency
in
world's
sources.
Herein,
activated
carbon
(AC)
derived
from
willow
catkins
(WCs)
was
successfully
synthesized
using
chemical
modification
techniques
then
loaded
with
different
weight
percentages
nickel
ferrite
nanocomposites
(10,
25,
45,
65
wt.%)
via
a
one-step
hydrothermal
method.
The
morphology,
structure,
surface
composition
supported
on
AC
(NFAC)
were
analyzed
by
XRD,
TEM,
SEM,
EDX,
FTIR
spectroscopy.
Textural
properties
(surface
area)
(NC)
investigated
Brunauer-Emmett-Teller
(BET)
analysis.
prepared
tested
dyes
form
system
for
remediation
make
this
photocatalyst
convenient
recycle.
photodegradation
rhodamine
B
dye
adjusting
variety
factors
such
as
amount
nanocomposites,
photocatalyst,
reaction
time,
reusability.
45NFAC
exhibits
excellent
degradation
efficiency
toward
dye,
reaching
99.7%
90
min
under
simulated
source
sunlight.
To
summarize,
NFAC
are
potential
photocatalysts
environmental
because
they
effective,
reliable,
reusable.
ACS Applied Energy Materials,
Год журнала:
2023,
Номер
6(23), С. 12003 - 12012
Опубликована: Ноя. 28, 2023
The
development
of
heterostructures
for
precise
electron-transfer
paths
at
the
p–n
junction
interface
is
great
significance
photo/electrocatalytic
(EC)
applications.
In
this
paper,
we
have
presented
a
strategy
to
precisely
transfer
electrons
from
conduction
band
MoS2
valence
site
g-C3N4
through
Z-scheme
manner.
heterostructure
demonstrated
2-fold
improvement
in
catalytic
efficiency
20
wt
%
MoS2/g-C3N4
(18.04
mmol/gcat–1)
with
an
apparent
quantum
yield
(AQY)
H2
generation
approaching
34%
by
using
300
W
Xe
lamp.
enhanced
photocatalytic
(PC)
evolution
catalyst
shows
that
addition
NSs
causes
more
active
sites
and
prevention
electron–hole
pair
recombination
facilitating
increased
rate
electron
transport
interface.
addition,
required
lowest
overpotentials
410
262
mV
reach
mA
cm–2
current
density
OER
HER
performances,
respectively.
Subsequently,
impedance
spectroscopy
indicates
low
charge
resistance,
photoluminescence
analysis
showed
better-photogenerated
kinetics
heterostructures,
which
contributed
their
improved
photo/electrochemical
performance.
For
intriguing
applications
future,
study
offers
path
designing
synthesizing
chemically
linked
atomic
accuracy.
Further,
postphoto/electrocatalytic
characterizations
revealed
intact
geometry
catalyst,
indicating
long-term
durability
catalyst.
Applied Organometallic Chemistry,
Год журнала:
2023,
Номер
37(4)
Опубликована: Фев. 7, 2023
Because
aniline
is
a
persistent
pollutant,
cost‐effective
and
efficient
removal
method
urgently
needed.
This
study
evaluates
the
synergistic
effect
of
nickel
doping
in
spinel
zinc
ferrite
to
enhance
photocatalytic
performance
magnetic
nanoparticles.
Herein,
X‐ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
Brunauer–Emmett–Teller
(BET),
differential
reflectance
(DRS),
transmission
electron
microscopy
(TEM),
field
emission
scanning
(FESEM),
energy‐dispersive
(EDX)/Map,
vibrating‐sample
magnetometry
(VSM)
techniques
were
used
evaluate
Ni
0.25
Zn
0.75
Fe
2
O
4
MNPs
synthesis
by
sol–gel
method.
The
produced
nanoparticles
have
surface
area
20.325
m
g
−1
.
At
room
temperature,
exhibit
superparamagnetic
characteristics
can
be
readily
separated
from
aqueous
solution.
bandgap
has
been
determined
1.83
eV
using
Tauc's
plot.
In
addition,
activity
as‐prepared
for
degradation
under
visible
light
irradiation
was
examined.
results
demonstrate
that
nickel‐doped
high
degradation.
Additionally,
(MNPs)
are
highly
nature,
which
simplifies
separation
repetitive
reuse.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 21, 2024
Abstract
In
this
study,
green
synthesis,
characterizations,
photocatalytic
performance,
and
antibacterial
applications
of
α-Mn
2
O
3
nanoparticles
are
reported.
The
synthesized
were
characterized
by
Fourier
transform
infrared
spectroscopy
(FT-IR),
powder
X-ray
diffraction
(XRD),
transmission
electron
microscope
(TEM),
Scanning
microscopy
(SEM),
energy
dispersive
analysis
(EDX),
Brunauer
Emmett
Teller
(BET),
Electrochemical
Impedance
Spectroscopy
(EIS),
Photoluminescence
(PL),
Differential
reflectance
(DRS)
analysis.
investigation
verified
that
the
possessed
a
cubic
structure,
with
crystallite
size
23
nm.
SEM
TEM
techniques
used
to
study
nanoscale
morphology
α-
Mn
nanoparticles,
which
found
be
spherical
30
Moreover,
surface
area
was
obtained
as
149.9
m
g
−1
utilizing
BET
analysis,
band
gap
determined
1.98
eV
DRS
photocatalysis
performance
NPs
evaluated
for
degrading
Eriochrome
Black
T
(EBT)
dye
under
visible
light
degradation
efficiency
96%
in
90
min.
photodegradation
mechanism
EBT
clarified
use
radical
scavenger
agents,
pathway
confirmed
through
Liquid
Chromatography–Mass
Spectrometry
(LC–MS)
Additionally,
produced
could
extracted
from
solution
continued
exhibit
even
after
five
repeated
runs
same
optimal
conditions.
Also,
activity
investigated
using
broth
microdilution
method
towards
Enterococcus
faecalis
ATCC
29212
(Gram-positive),
Staphylococcus
aureus
29213
Salmonella
typhimurium
14028
(Gram-negative),
Klebsiella
pneumoniae
7881
Escherichia
coli
25922
Proteus
mirabilis
7002
Pseudomonas
aeruginosa
27853
(Gram-negative)
bacterial
strains.
Journal of Magnesium and Alloys,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
This
review
paper
explores
the
efficacy
of
magnesium
ferrite-based
catalysts
in
photocatalytic
degradation
organic
contaminates
(antibiotic
and
dyes).
We
report
influence
different
doping
strategies,
synthesis
methods,
composite
materials
on
efficiency
these
pollutants.
Our
analysis
reveals
versatile
promising
nature
catalysts,
offering
valuable
insights
into
their
practical
application
for
restoring
environment.
Due
to
smaller
band
gap
magnetic
ferrite,
it
holds
benefit
utilising
broader
spectrum
light
while
also
being
recoverable.
The
in-depth
ferrites'
mechanism
could
lead
development
cheap
reliable
photocatalyst
wastewater
treatment.
concise
offers
a
thorough
summary
key
advancements
this
field,
highlighting
pivotal
role
ferrite
based
photocatalysts
addressing
pressing
global
issue
pollutants
wastewater.
Langmuir,
Год журнала:
2024,
Номер
40(8), С. 4063 - 4076
Опубликована: Фев. 14, 2024
Highly
efficient
nanocatalysts
with
a
high
specific
surface
area
were
successfully
synthesized
by
cost-effective
and
environmentally
friendly
hydrothermal
method.
Structural
elemental
purity,
size,
morphology,
area,
band
gap
of
pristine
1
to
5%
Cu-doped
TiO2
nanoparticles
characterized
powder
X-ray
diffraction
(PXRD),
photoelectron
spectroscopy
(XPS),
electron
paramagnetic
resonance
(EPR),
energy
dispersive
analysis
(EDAX),
inductively
coupled
plasma
mass
spectrometry
(ICP-MS),
liquid
chromatography-high
resolution
(LC-HRMS),
scanning
microscopy
(SEM),
transmission
(TEM),
BET
Raman
spectroscopy,
photoluminescence
(PL)
UV-visible
diffused
reflectance
(UV-DRS)
studies.
The
XPS
EPR
findings
indicated
the
successful
integration
Cu
ions
into
lattice.
UV-DRS
investigations
revealed
that
an
increase
in
dopant
concentration,
NPs
show
decrease
(3.19–3.08
eV)
(169.9–188.2
m2/g).
Among
all
compositions,
2.5%
has
shown
significant
H2
evolution
apparent
quantum
yield
17.67%.
Furthermore,
electrochemical
water-splitting
study
shows
have
superiority
over
for
reaction.
It
was
thus
tuning
desired
concentration
led
enhanced
photo/electrocatalytic
sustainable
applications.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 7, 2025
The
widespread
discharge
of
organic
dyes
into
the
wastewater
from
various
industrial
processes
has
develop
a
major
environmental
apprehension
in
modern
world.
To
tackle
such
issues,
we
are
synthesizing
novel
catalyst
composition,
Ba1
−
xCoxDyyFe12−yO19
(x
=
y
0.02–0.06)
using
sol-gel
auto-combustion
(SGAC)
for
photocatalytic
eradication
malachite
green
dye
(MGD).
fabricated
sample
show
single-phase
hexagonal
structure.
hexagonal-shaped
grains
seen
field
emission
spectroscopy
(FESEM)
visuals
prepared
hexaferrites.
oxidation
states
every
element
present
developed
specimens
investigated
X-ray
photoelectron
spectrophotometer
scrutinized.
specific
surface
area
(SSA)
HF1
is
3.523
m2/g,
whereas
band
gap
values
co-doped
barium
hexaferrites
found
within
range
1.61
to
1.75
eV.
magnetic
analysis
indicates
that
increasing
concentration
Dy
and
Co,
raised
saturation
magnetization
declines
coercivity.
conducted
evaluations
reveal
removal
efficiencies
89.85%,
91.12%,
94.36%
obtained
HF1,
HF2,
HF3
after
90
min
natural
irradiation.
Moreover,
capability
reusability
synthesized
assessed
over
series
five
consecutive
experimental
cycles.
As
result,
this
research
delves
at
potential
applications
BaFe12O19
MGD
applications.
