ACS Omega,
Journal Year:
2022,
Volume and Issue:
7(28), P. 24438 - 24451
Published: July 5, 2022
In
this
work,
a
new
bimetallic
Na(I)-Zn(II)
metal-organic
framework
(MOF),
formulated
as
[Na2Zn3(btc)2(μ-HCOO)2(μ-H2O)8]
n
(1)
(H3btc
=
benzene
tricarboxylic
acid),
and
its
composite
(ZnO@1)
have
been
successfully
synthesized
using
solvothermal
mechanochemical
solid
grinding
methods.
1
ZnO@1
were
characterized
by
diffraction
[single-crystal
X-ray
(XRD)
powder
XRD],
spectroscopic
(ultraviolet-visible
diffuse
reflectance
spectroscopy
Fourier
transform
infrared
spectroscopy),
microscopic
(transmission
electron
microscopy),
thermal
(thermogravimetric
analysis)
The
surface
area
porosity
of
determined
Brunauer-Emmett-Teller
analyzer.
Single-crystal
confirms
that
Na1
Zn2
octahedral
coordination
environments,
whereas
Zn1
has
tetrahedral
geometry.
Topological
simplification
shows
3,6-connected
kgd
net.
MOF
is
crystallized
with
slight
exhibits
good
tendency
toward
the
encapsulation
zinc
oxide
nanoparticles
(ZnO
NPs).
photocatalytic
behaviors
investigated
over
MB
dye
under
sunlight
illumination
promising
degradation
efficiencies
93.69%
for
97.53%
in
80
min.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(6), P. 981 - 981
Published: June 8, 2023
The
use
of
waste
from
various
agricultural
sectors
has
recently
drawn
increased
interest
the
scientific,
technological,
ecological,
economic,
and
social
fields.
As
such,
in
this
study,
a
novel
production
an
affordable
environmentally
friendly
photocatalyst
silicotitanate
(S1,
S2,
S3)
made
silica
solution
(extracted
rice
husk
ash)
molar
ratios
titanium
(IV)
2-ethylhexyl-oxide
is
reported.
Following
that,
chitosan/silicotitanate
(CHMix)
nanocomposite
material
was
created
through
crosslinking
reaction
between
chitosan
fabricated
(S2).
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM-EDX),
as
well
N2
adsorption-desorption
isotherm
zeta
potential
measurements
were
used
to
characterize
each
samples.
Additionally,
comparison
neat
chitosan,
newly
material’s
photocatalytic
reactivity
investigated
using
two
synthetic
anionic
dyes,
reactive
blue
Congo
red,
with
decolorization
rates
up
95.76%
99.9%,
respectively.
results
showed
that
CHMix
most
efficient
for
degradation
red.
Reactive
red’s
molecular
structures
almost
completely
broken
when
equilibrium
reached
sunlight,
rate
both
dyes
close
100%.
result,
combination
silicotitanate,
or
CHMix,
effective
capability
dye
natural
concentrated
sunlight.
