Journal of the Chinese Chemical Society,
Journal Year:
2023,
Volume and Issue:
71(1), P. 35 - 44
Published: Nov. 28, 2023
Abstract
Photocatalysis
technology
driven
by
solar
energy
is
considered
to
be
promising
for
solving
crisis
and
environmental
problems.
Graphitic
carbon
nitride
has
been
widely
researched
in
the
photocatalysis
field
due
its
suitable
band
positions,
non‐toxicity,
easy
synthesis,
high
stability,
low
cost.
However,
slow
separation
rapid
recombination
of
photogenerated
carriers,
poor
visible
light
response
specific
surface
area
seriously
limit
photocatalytic
activity
g‐C
3
N
4
.
Here,
firstly,
nanosheets
with
a
large
152.2
m
2
g
−1
which
provide
more
surface‐active
sites
were
prepared
secondary
calcination
method.
Next,
MoS
metal–organic
framework
(MIL‐101(Cr))
tightly
bonded
on
form
ternary
/MoS
/MIL‐101(Cr)
heterojunction
photocatalyst.
In
which,
dual
Z‐scheme
photocatalyst
composed
,
MIL‐101(Cr)
was
constructed
facilitate
migration
charges.
At
same
time,
enhanced
The
optimal
displayed
highest
methyl
orange
degradation
(degradation
efficiency
98%
60
min)
under
irradiation.
Finally,
mechanism
electron
transfer
channel
h
+
‐·O
−
double
oxidation
proposed
discussed.
Luminescence,
Journal Year:
2024,
Volume and Issue:
39(9)
Published: Sept. 1, 2024
Abstract
In
present
work,
synthesis
of
a
nanohybrid
material
using
Fe
and
MoS
2
has
been
performed
via
cost‐effective
environmentally
friendly
route
for
sustainable
manufacturing
innovation.
Rice
straw
extract
was
prepared
used
as
reducing
chelating
agent
to
synthesize
the
by
mixing
it
with
molybdenum
disulfide
(MoS
)
ferric
nitrate
[Fe
(NO
3
.9H
O],
followed
heating
calcination.
The
X‐ray
diffraction
(XRD)
pattern
confirms
formation
consisting
monoclinic
(MoO
4
3,
cubic
2.957
O
,
orthorhombic
FeS
86%
.
properties
were
analyzed
through
Fourier‐transformed
infrared
spectroscopy
(FTIR),
atomic
force
microscopy
(AFM),
scanning
electron
(SEM),
transmission
(TEM).
results
dynamic
light
scattering
(DLS)
study
revealed
heterogeneous
size
distribution,
an
average
particle
48.42
nm
18%
particles
384.54
82%
particles.
Additionally,
zeta
potential
measured
be
−18.88
mV,
suggesting
moderate
stability.
photoelectron
(XPS)
confirmed
presence
both
2+
3+
oxidation
states
along
Molybdenum
(Mo),
oxygen
(O),
Sulphur
(S).
exhibited
band
gap
2.95
eV,
photoluminescence
intensity
increased
almost
twice
that
bare
work
holds
applications
in
photo
luminescent
nanoplatform
biomedical
applications.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Abstract
For
years
the
design
and
synthesis
of
a
systems
for
absorbing
degrading
antibiotic
that
have
maximum
absorption
capability
in
low
to
high
concentrations
pollutants
with
photodegradability
has
been
raised
as
challenge
many
researches.
In
this
study,
novel
photocatalyst
known
polyethylene
glycol
modified
zero-valent
iron
nanoparticles-montmorillonite
(PEG-nZVI-Mt)
was
synthesized
adsorption
photocatalytic
degradation
tetracycline
(TC)
ranges
concentrations.
nZVI
particles
formed
well
dispersed
on
montmorillonite
carriers
covered
by
polymer.
The
results
demonstrated
capacity
TC
EG-nZVI-Mt
(153.8
mg/g)
were
considerably
higher
than
(78.4
at
same
condition
(after
48
hr
400
ppm
TC).
addition,
concentration
increased,
quantity
also
increased
from
approximately
20
mg/g
over
300
mg/g.
Compared
other
adsorbents,
PEG-nZVI-Mt
showed
lowest
desorption
value
10.1
mg/g,
which
is
less
6.5%
total
absorbed.
Moreover,
utilization
photocatalyst,
an
enhancement
process
TC,
leading
95%
adsorbed
nZVI-Mt
samples
after
180
min.
photocatalytic-degradation
(96.7%)
(93.6%)
more
3-fold
beyond
Mt,
Na-Mt
PEG-Mt.
Journal of the Chinese Chemical Society,
Journal Year:
2023,
Volume and Issue:
71(1), P. 35 - 44
Published: Nov. 28, 2023
Abstract
Photocatalysis
technology
driven
by
solar
energy
is
considered
to
be
promising
for
solving
crisis
and
environmental
problems.
Graphitic
carbon
nitride
has
been
widely
researched
in
the
photocatalysis
field
due
its
suitable
band
positions,
non‐toxicity,
easy
synthesis,
high
stability,
low
cost.
However,
slow
separation
rapid
recombination
of
photogenerated
carriers,
poor
visible
light
response
specific
surface
area
seriously
limit
photocatalytic
activity
g‐C
3
N
4
.
Here,
firstly,
nanosheets
with
a
large
152.2
m
2
g
−1
which
provide
more
surface‐active
sites
were
prepared
secondary
calcination
method.
Next,
MoS
metal–organic
framework
(MIL‐101(Cr))
tightly
bonded
on
form
ternary
/MoS
/MIL‐101(Cr)
heterojunction
photocatalyst.
In
which,
dual
Z‐scheme
photocatalyst
composed
,
MIL‐101(Cr)
was
constructed
facilitate
migration
charges.
At
same
time,
enhanced
The
optimal
displayed
highest
methyl
orange
degradation
(degradation
efficiency
98%
60
min)
under
irradiation.
Finally,
mechanism
electron
transfer
channel
h
+
‐·O
−
double
oxidation
proposed
discussed.
