ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 566 - 575
Опубликована: Янв. 13, 2025
The
rational
design
and
construction
of
S-scheme
heterojunctions
represent
an
effective
strategy
for
enhancing
the
photocatalytic
efficiency.
Nevertheless,
challenge
enabling
efficient
charge
migration
at
interface
persists.
Herein,
a
0D/2D
heterojunction
photocatalyst
incorporating
0D
Ag
quantum
dots
S-vacancy-modified
Bi2S3
with
2D
MnFe2O4
ultrathin
nanosheets
(AgQDs/BQDs-SV/MFO)
is
designed
constructed
via
photoinduced
decomposition-defect
engineering
strategy.
Theoretical
calculations
experimental
results
demonstrate
presence
dots,
S
vacancies,
nanosheet
structure
in
AgQDs/BQDs-SV/MFO
significantly
improves
light
harvesting,
separation,
transfer
dramatically,
resulting
high-efficiency
degradation
rate
(99.5%)
toward
Cr(VI)
under
visible
irradiation
(λ
≥
420
nm)
30
min
excellent
stability.
This
work
provides
new
insights
constructing
photocatalysts
purifying
Cr
wastewater
environmental
remediation.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 23, 2024
Abstract
Atomically
dispersed
active
sites
in
a
photocatalyst
offer
unique
advantages
such
as
locally
tuned
electronic
structures,
quantum
size
effects,
and
maximum
utilization
of
atomic
species.
Among
these,
asymmetric
dual‐sites
are
particular
interest
because
their
charge
distribution
generates
local
built‐in
electric
potential
to
enhance
separation
transfer.
Moreover,
the
dual
provide
flexibility
for
tuning
complex
multielectron
multireaction
pathways,
CO
2
reduction
reactions.
The
coordination
opens
new
possibilities
engineering
structure–activity–selectivity
relationship.
This
comprehensive
overview
discusses
efficient
sustainable
photocatalysis
processes
photocatalytic
reduction,
focusing
on
strategic
active‐site
design
future
challenges.
It
serves
timely
reference
development
conversion
processes,
specifically
exploring
here
exemplified
by
into
valuable
chemicals.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(39)
Опубликована: Июль 22, 2024
Abstract
Graphitic
carbon
nitride
(g‐C
3
N
4
)
assisted
photocatalytic
production
of
hydrogen
peroxide
(H
2
O
has
already
attracted
the
interest
many
researchers
due
to
its
environmental
sustainability.
Nevertheless,
inherent
drawbacks
g‐C
limit
progress.
Metal‐free
modification
strategies,
including
nanostructure
design,
defect
introduction,
doping,
and
heterojunction
construction,
have
been
developed
improve
efficiency
H
production.
Compared
metal
modification,
metal‐free
strategies
avoid
use
precious
metals
leaching
heavy
ions,
which
advantages
good
stability
friendliness.
However,
a
comprehensive
review
from
modified
by
is
still
lacking.
This
first
recaps
mechanism
,
photoexcitation,
carrier
separation
redox
reactions.
Then,
perspective
advances
in
photocatalysts
are
presented,
with
special
focus
on
kernel
connection
between
different
based
pivotal
stages
Subsequently,
recent
applications
‐based
for
situ
generated
mainly
water
purification
organic
synthesis,
briefly
discussed.
Finally,
prospects
envisioned
hope
that
it
will
“something
do”
field
Cell Reports Physical Science,
Год журнала:
2024,
Номер
5(5), С. 101966 - 101966
Опубликована: Май 1, 2024
Employing
Fenton
technology
for
efficiently
removing
pollutants
in
water
stands
as
a
significant
method.
Within
the
domain
of
traditional
techniques,
there
exist
both
homogeneous
and
heterogeneous
systems.
Homogeneous
systems
tackle
iron
sludge
concerns
through
incorporation
co-catalysts,
whereas
adeptly
manipulate
surface
microenvironments
adjust
active
sites,
enabling
pollutant
degradation
across
wide
range
pH.
Each
system
boasts
distinct
advantages
limitations.
This
perspective
critically
examines
existing
challenges
associated
solutions
reactions
comprehensive
analysis
typical
case
studies.
The
focus
is
on
evaluating
industrial
potential
these
systems,
forecasting
future
developmental
trends,
fostering
more
robust
sustainable
advancement
within
context
carbon
peaking
neutrality
goals.
npj Materials Sustainability,
Год журнала:
2025,
Номер
3(1)
Опубликована: Янв. 7, 2025
Abstract
Advanced
Oxidation
Processes
(AOPs)
are
promising
for
treating
persistent
pollutants,
yet
challenges
arise
due
to
the
step-wise
oxidants
activation
process,
which
traditional
single-active-center
catalysts
struggle
facilitate
effectively.
Recently,
dual-active-center
have
emerged
as
a
solution
by
enabling
synergistic
reactions.
This
review
covers
advances
in
these
catalysts,
their
co-catalytic
mechanisms,
and
applications
electro-Fenton,
photocatalytic,
peroxymonosulfate-,
pollutant-as-electron-donor
based
Fenton-like
processes,
along
with
active
site
design
considerations
future
challenges.
