International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 25
Published: Dec. 22, 2024
Dye,
a
major
global
pollutant
causing
environmental
and
health
issues,
can
be
effectively
degraded
through
photocatalysis.
This
study
synthesised
bismuth
oxychloride
(BiOCl)
nano-photocatalyst
via
hydrolysis
characterized
it
using
various
analytical
instruments.
The
UV-Vis
absorbance
of
the
displayed
peaks
at
211
nm,
361
688
with
band
gap
3.0
eV,
conduction
minimum
1.97
valence
maximum
4.97
eV.
dynamic
light
scattering
showed
3349
nm
660
while
BiOCl
had
zeta
potential
-17.3
mV
conductivity
0.245
mS/cm.
X-ray
diffraction
exhibited
four
sharp
intensity
11.95º,
25.81º,
32.50º,
33.40º,
average
crystallite
size
was
43.39
scanning
electron
microscope
plate-like
morphology.
achieved
88.21%
degradation
methyl
green
within
60
minutes
under
LED
irradiation
pH
7.5
dye
concentration
6×10−6
mol/L.
photocatalytic
performance,
driven
by
hydroxyl
(•OH)
superoxide
(O2•−)
radicals,
96.55%
mineralization
as
confirmed
COD
analysis.
These
findings
emphasize
for
effective
sustainable
wastewater
remediation
visible
conditions.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 7365 - 7380
Published: April 2, 2024
In
this
study,
a
nonstoichiometric
roxbyite
(Cu58S32)
phase
with
nanoplate
(np)
and
snowflake
(sf)
morphologies
was
prepared
under
solvothermal
conditions
by
varying
the
sulfur
source.
The
Cu58S32
(CS)
subsequently
used
as
host
matrix
well
copper
source
for
in
situ
construction
of
Cu-BDC-NH2/Cu58S32
(CSM)
nanohybrid
materials.
regulated
growth
Cu-MOF
nanoplates
over
well-crystalline
radially
symmetric
hexagonal
dendritic
structure
led
to
formation
an
n–p
heterojunction
large
interfacial
contact
area.
Comprehensive
characterizations
nanohybrids
unveiled
improved
light
harvesting
properties,
electrochemically
active
surface
areas,
synergistic
charge
mobilization
between
constituent
semiconductor
surface-aligned
ultrathin
nanosheets
contained
three
distinct
types
coordinated
metal
sites
involving
Cu(II)
dimers
paddle
wheel
monomeric
distorted
ligand
environment.
optimal
CSM(sf)
hybrid
displayed
photocatalytic
activity
toward
H2
evolution
(9343
μmol
g–1
h–1)
O2
reduction
(2339
solar
simulation
reaction
rates
14–20
times
greater
than
pure
semiconductors.
strong
hydrophilic
character,
morphology,
high
redox
ability
photogenerated
electrons
through
S-scheme
transfer
mechanism
accounted
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
Design
of
hierarchical
hollow
nanoheterostructure
materials
through
interfacial
and
defect
engineering
is
an
innovative
approach
for
achieving
optimal
charge
separation
dynamics
photon
harvesting
efficiency.
Herein,
we
have
described
a
facile
technique
to
fabricate
MOF-derived
C,
N-doped-Co3O4
(C,
N-Co3O4)
dodecahedral
particles
enwrapped
with
MgIn2S4
nanosheets
enhanced
N2
reduction
performance.
ZIF-67
was
initially
used
as
sacrificial
template
prepare
N-Co3O4
using
carbonization
route
followed
by
low-temperature
calcination
treatment.
The
controlled
synthetic
protocol
not
only
led
nonmetal
doping
but
also
produced
interwoven
carbon
matrix
that
improved
the
photoelectron
mobility.
Density
functional
theory
calculations
further
substantiated
creation
atomic
defects
substitution
C
at
tetrahedral
Co2+
sites
N
lattice
O2–
Co3O4
structure.
subsequently
coupled
N-Co3O4/MgIn2S4
[C,
N-CM
(X)]
p–n
heterojunctions.
photocatalytic
study
revealed
NH4+
ion
production
activity
(1:1)
material
(334
μmol
g–1
h–1)
significantly
higher
(4–10
times)
than
pure
components.
composite
ascribed
its
distinct
topological
features,
superior
carrier
dynamics,
afforded
large
number
surface-active
sites.
