Efficient Visible-Light Photocatalysis Using Fe-Doped SnO2/Chitosan Composite for Organic Pollutant Degradation: Mechanisms, Reusability, and Sustainability
Journal of Inorganic and Organometallic Polymers and Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Language: Английский
Graphitic carbon nitride (g-C3N4) loaded nanoscale zero-valent iron (nZVI) composites for enhanced hexavalent chromium removal: The role of g-C3N4, performance and mechanistic study
Mengsi Cheng,
No information about this author
Peiwei Hu
No information about this author
Inorganic Chemistry Communications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 114161 - 114161
Published: Feb. 1, 2025
Language: Английский
Molecular precursor pathway to Co1−xNixNb2O6 for photocatalytic dye degradation: Optical and charge transport studies
Journal of the American Ceramic Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
A
new
approach
for
the
formation
of
binary
and
ternary
mixed
metal
oxides,
namely,
CoNb
2
O
6
,
NiNb
Co
0.5
Ni
Nb
through
a
modified
single‐source
molecular
precursor
route
was
investigated.
By
optimizing
annealing
temperature,
heating/cooling
rates
holding
times,
phase
compositions
thermal
processing
mixtures
oxalate‐based
complexes
[M(bpy)
3
]
[NbO(C
4
)
]Cl·
n
H
(M
=
2+
(
1
or/and
);
11,
12)
(NH
]·3H
were
evaluated.
Phase‐pure
columbite
oxides
1−
x
0,
0.5,
1)
obtained
in
one
step
by
heating
two
or
three
oxalate
at
1200°C
10
h
with
rate
10°C
min
−1
.
The
(micro)structure,
morphology,
optical
properties
as‐prepared
materials
characterized
powder
X‐ray
diffraction
(PXRD),
field‐emission
scanning
electron
microscopy
(FE‐SEM)
ultraviolet–visible
diffuse
reflectance
spectroscopy
(UV–Vis
DRS).
Impedance
used
to
investigate
electrical
dielectric
properties,
providing
valuable
insights
into
charge
transport
dynamics.
exhibits
greatest
conductivity
series
(2.64
×
−11
Ω
cm
120°C),
orders
magnitude
greater
than
those
oxide
has
minimum
loss,
but
it
shows
maximum
permittivity.
Estimated
band
gap
energies
within
visible
light
excitations
prompt
us
their
photocatalytic
activities
degradation
methylene
blue
(MB)
dye
under
irradiation
without
hydrogen
peroxide
(H
).
It
is
evident
that
/H
systems
exhibit
higher
activity:
efficiency
MB
found
be
between
26%
38%.
In
addition,
cyclic
stability
photocatalyst
investigated
possible
proposed
mechanism
substantiated
scavenger
analysis
study.
Language: Английский
MoS2-gC3N4 encapsulated in nitrogen-doped graphene oxide: an efficient visible light photocatalyst for removal of Cr (VI) from aqueous solution and mineralization of organic contaminant
Monjur Hassan Barbhuiya,
No information about this author
Siddhartha Sankar Dhar
No information about this author
Materials Science and Engineering B,
Journal Year:
2025,
Volume and Issue:
318, P. 118286 - 118286
Published: April 14, 2025
Language: Английский