MoS2
and
MgO
co-modified
biochar
with
S-doping
(MoS2-MgO/S-BC)
was
prepared
for
facilitating
the
adsorption-photocatalysis
towards
tetracycline
hydrochloride
(TCH)
elimination
under
solar-light
irradiation.
MoS2-MgO/S-BC
had
better
adsorption-photocatalytic
activity
in
comparison
to
S-BC,
b-MgO/S-BC,
2-MoS2/S-BC,
its
removal
efficiency
intensively
affected
by
loading
contents.
The
experimental
factors
such
as
bulk
dosage,
TCH
concentration,
inorganic
salts,
pH
also
influenced
capacity
of
MoS2-MgO/S-BC.
highest
adsorption
(239.52
mg
g-1)
(93.70%)
were
obtained
optimal
2b-MoS2-MgO/S-BC
200
L-1
solution
within
120
min.
process
well
described
Langmuir
isotherm
second-order
model.
boosted
performance
ascribed
abundant
vacant
sites
generated
from
functional
groups
S-doped
lattice
defects
MgO,
efficient
separation
migration
photoinduced
e-/h+
at
junction
interface
among
MoS2,
S-BC.
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(3)
Опубликована: Янв. 13, 2024
To
boost
the
adsorption‐photocatalytic
performances
of
biochar
in
wastewater
treatment,
was
modified
with
ternary
metal
oxides
ZnO,
Sm
2
O
3
,
and
MgO
(ZnSm/Mg‐biochar)
via
one‐step
pyrolysis
method.
The
optimal
2b‐ZnSm/Mg‐biochar
a
Zn/Sm
molar
ratio
1:1
exhibited
better
removal
activity
RhB
comparison
biochar,
2‐Mg/biochar,
b‐ZnSm/biochar.
efficiency
adsorption
capacity
99.46%
979.22
mg
g
−1
for
solution
410
respectively.
kinetics
isotherms
ZnSm/Mg‐biochar
composites
were
as
described
by
second‐order
Langmuir
models,
abundant
vacant
sites
at
junction
interface
MgO,
favorable
photon
capturing,
achieving
efficient
photo‐conversion
under
stimulated
solar‐light
irradiation.
Nanoscale Advances,
Год журнала:
2024,
Номер
6(11), С. 2741 - 2765
Опубликована: Янв. 1, 2024
Nanomaterials
play
a
decisive
role
in
environmental
applications
such
as
water
purification,
pollutant
monitoring,
and
advanced
oxidation-based
remediation
processes,
particularly
semiconductor
metal
sulfide-based
photocatalysis.
Metal
sulfides
are
ideal
for
photocatalysis
because
of
their
unique
optical,
structural,
electronic
characteristics.
These
properties
enable
the
effective
use
solar
energy
to
drive
various
catalytic
reactions
with
potential
uses
sustainable
production.
Among
them,
nickel
(NiS)
stand
out
narrow
band
gaps,
high
stability,
cost-effectiveness.
This
review
thoroughly
analyzes
recent
advancements
employing
nickel-sulfide-based
nanostructures
decontamination.
It
begins
by
addressing
material
needs
emphasizing
sulfide.
To
improve
photocatalytic
performance,
controlled
processes
that
affect
active
structure,
shape,
composition,
size
sulfide
photocatalysts
examined,
along
synthesis
methods.
The
heart
article
is
detailed
analysis
modification
NiS
through
non-metal
doping,
heterojunction,
nanocomposite
formation
enhanced
performance.
discussion
also
includes
metal-modified
nanostructures,
oxides,
carbon-hybridized
nanocomposites.
study
underscores
notable
degradation
efficiency
photocatalysts,
rivaling
costly
noble-metal
counterparts.
concludes
future
directions
remediation.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(12), С. 5611 - 5622
Опубликована: Март 13, 2024
The
significant
threat
posed
by
the
high
toxicity
of
heavy
metals
and
antibiotics
in
water
pollutants
has
prompted
a
growing
emphasis
on
development
highly
efficient
removal
methods
for
these
pollutants.
In
this
paper,
flexible
electrospinning
polyacrylonitrile
(PAN)
nanofiber-supported
CdBi2S4
was
synthesized
via
hydrothermal
method,
followed
amination
treatment
with
diethylenetriamine
(DETA).
as-prepared
CdBi2S4/NH2–PAN
nanofiber,
enriched
sulfur
vacancies,
demonstrated
outstanding
visible-light
trapping
ability
suitable
band
gap,
leading
to
separation
transport
photogenerated
carriers,
ultimately
resulting
exceptional
photocatalytic
capability.
optimal
3-CdBi2S4/NH2–PAN
nanofiber
achieved
impressive
reduction
rates
92.26%
Cr(VI)
96.45%
tetracycline
hydrochloride
(TCH)
within
120
min,
which
were
much
higher
than
those
CdS/NH2–PAN,
Bi2S3/NH2–PAN,
CdBi2S4/PAN
nanofibers.
After
five
cycles,
rate
consistently
remained
above
90%.
Their
ease
recovery
from
application
environment
contributes
their
practicality.
Additionally,
compared
conventional
suspended
particle
catalyzers,
composite
exhibited
remarkable
flexibility
self-supporting
properties.
