ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(19), P. 23124 - 23135
Published: May 5, 2023
The
photocatalysis-Fenton
synergistic
reaction
has
great
potential
for
water
purification
but
generally
suffers
from
unsatisfactory
electron
transfer
due
to
an
undesirable
interface
structure.
Herein,
we
developed
a
novel
heterojunction
of
oxygen
vacancy-rich
TiO2-x
confined
in
the
layer
space
synthetic
montmorillonite-like
iron
silicate
(denoted
as
TiO2-x/FeMMT)
that
addresses
issue
mentioned
above.
Two-dimensional
layered
silicates
heterojunctions
support
not
only
provided
more
active
sites
also
induced
vacancies
through
interfacial
effects
enhance
visible-light
harvesting
ability.
Notably,
such
loading
donor
accelerated
Fe(III)/Fe(II)
redox
cycling
and
facilitated
effective
activation
H2O2,
while
Fe(III)
trap
greatly
improved
separation
photogenerated
electron-hole
pairs.
More
interestingly,
internal
electric
field
(Vo)
existing
at
realized
directional
migration
electrons
energy
band
structure
heterojunction,
respectively.
Eventually,
TiO2-x/FeMMT
composites
exhibited
superior
performance
toward
degradation
removal
phenol,
dinotefuran
(DIN),
sulfamethoxazole
(SMX)
under
irradiation.
This
paves
way
rational
design
high-efficiency
catalysts
based
on
environment-related
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 21, 2024
Abstract
Solar‐to‐chemical
energy
conversion
thorugh
photocatalytic
technology
has
garnered
significant
attention
due
to
its
potential
for
clean
hydrogen
pro
duction,
pollutant
degradation,
and
carbon
dioxide
reduction.
However,
relatively
low
solar‐to‐chemical
efficiency
hinders
industrial
development.
External
fields
have
currently
emerged
as
a
supplementary
source
augment
the
overall
catalytic
efficiency.
Recently,
performance
been
considerably
enhanced
through
magnetic
field
modulation,
which
promotes
separation
transfer
of
photoexcited
charge
carriers.
This
article
systematically
reviews
recent
research
progress
field–assisted
photocatalysis,
discussing
phenomena
such
negative
magnetoresistance
effect,
Lorentz
force,
spin
polarization.
It
comprehensively
analyzes
effect
on
critical
processes
in
photocatalysis:
light
absorption,
charge‐carrier
separation,
surface
reactions.
In
particular,
this
review
focuses
spin‐relaxation
mechanism,
explains
how
electron
lifetime
is
extended
polarization,
proposes
design
strategies
spin‐polarized
materials.
Finally,
discusses
challenges
opportunities
enhancing
The
ultimate
objective
offer
notable
theoretical
experimental
insights
that
can
guide
development
high‐performance
photocatalysts
systems.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 7, 2024
Abstract
The
selective
removal
and
immobilization
of
uranyl
ions
from
aqueous
solutions
is
essential
for
the
sustainable
development
nuclear
energy.
Herein,
a
robust
lanthanide‐organic
framework
material
(
IHEP‐24
)
developed
simultaneous
fluorescence
sensing,
adsorption,
photocatalytic
reduction
uranium,
integrating
three
different
functions
in
one
material.
confined
space
formed
by
coordination
assembly
viologen
derivative
ligands
metal‐oxygen
clusters
can
act
as
precise
recognition
sites
uranyl,
allowing
to
efficiently
detect
capture
ions.
In
addition,
presence
viologen‐based
radical
ligand
enables
further
adsorbed
amorphous
UO
2
.
mechanisms
adsorption
photocatalysis
are
revealed
batch
experiments,
photoelectrochemical
characterizations,
theoretical
calculations.
This
study
provides
reference
construction
multi‐functional
MOF
materials
also
support
deep
radionuclides
solution.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
systematically
summarizes
recent
advanced
strategies
for
manipulating
electron
spin
to
optimize
photocatalysis.
It
provides
valuable
insights
guide
future
research
on
control
enhancing
photocatalytic
applications.