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.
Small,
Journal Year:
2023,
Volume and Issue:
20(13)
Published: Nov. 14, 2023
Abstract
Normally,
only
noncentrosymmetric
structure
of
the
materials
can
potentially
be
piezoelectric.
Thus,
it
is
limited
in
field
piezoelectricity
for
centrosymmetric
material.
In
this
work,
performance
successfully
achieved
from
SrFeO
3‐
x
by
modulating
o
ygen
vacancies,
which
have
a
surface
piezoelectric
potential
up
to
93
mV
using
Kelvin‐probe
force
microscopy
(KPFM).
Moreover,
effects
are
also
evaluated
catalytic
effect
and
density
functional
theory
calculations
(DFT).
The
results
show
that
piezo‐catalytic
degradation
tetracycline
reaches
96%
after
75
min
ultrasonic
mechanical
vibration
production
H
2
O
synthesis
could
reach
1821
µmol
L
−1
.
addition,
DFT
indicate
intrinsic
vacancies
effectively
promotes
adsorption
activation
as
well
intermediates
improves
activity.
This
work
provides
an
effective
basis
realizing
regulating
development
properties.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
Altering
the
generation
route
of
reactive
species
is
a
potent
means
to
augment
photocatalytic
activity.
In
this
study,
MoS
2
/MIL‐101(Fe)
S‐scheme
heterojunction
(MF2)
prepared
using
water/solvent
thermal
method
for
degradation
chlorsulfuron.
Driven
by
internal
electric
field,
local
electron
density
MF2
redistributed,
thus
enhancing
adsorption
O
.
This
promoted
charge
transfer
generate
e
−
,
•,
and
H
efficient
oxidation
It
confirmed
that
photogenerated
electrons
long‐lifetime
(•
)
played
major
role.
The
activity
chlorsulfuron
much
higher
than
(42.21
times)
MIL‐101(Fe)
(4.06
times).
mechanism
verified
experimental
studies
Density
Functional
Theory
simulation
calculations.
addition,
exhibited
great
potential
practical
applications.
work
provided
new
insights
into
construction
heterojunctions
species‐dominated
conversion
mechanisms.
Fundamental Research,
Journal Year:
2023,
Volume and Issue:
5(2), P. 612 - 623
Published: Nov. 10, 2023
Nanotechnology-enabled
water
treatment
is
the
most
attractive
approach
to
realizing
advanced
purification
of
contaminated
waters
that
challenge
efficacy
traditional
technologies.
Confining
nanomaterials
inside
porous
scaffolds
or
substrates
one
effective
strategies
push
nano-enabled
technologies
forward
from
laboratory
field
application.
As
flourishingly
reported,
confinement
effects
induce
significantly
improved
decontamination
efficiency,
such
as
enhanced
adsorption
capacity,
reaction
kinetics,
stability,
and
selectivity.
In
this
review,
first
we
provide
an
overview
general
fundamentals
nanoconfinement
their
implications
in
environmental
remediation.
Next,
review
confined
Fe-based
nanomaterials,
different
polymorphs
iron-oxides,
oxyhydroxides,
zero-valent
iron,
single-atom
iron
representative
materials
towards
applications
systems
for
decontamination.
Finally,
propose
future
studies
based
on
missing
scientific
regarding
challenges
translating
unique
promising
observations
engineering
nanomaterials-driven
Catalysis Communications,
Journal Year:
2023,
Volume and Issue:
186, P. 106819 - 106819
Published: Dec. 11, 2023
A
rapid
mechanical
ball
milling
method
at
room
temperature
has
been
proposed
for
Mn2+
doping.
The
force
generated
by
the
process
was
able
to
hammer
Mn
atom
into
Bi3O4Br
lattice
in
an
efficient
and
stable
manner.
Doping
with
produces
a
doping
level
forbidden
band.
Also,
promptly
scavenged
photogenerated
holes,
reducing
recombination
of
carriers
promoting
production
numerous
active
species.
As
result,
doped
exhibited
enhanced
photodegradation
performance
towards
antibiotic
tetracycline,
which
optimal
efficiency
arrives
81.74%,
1.22
times
higher
than
Bi3O4Br.