In Situ Construction of Fuzzy Sea‐Urchin ZnIn2S4/W18O49: Leveraging Interfacial Z‐Scheme Redox Sites toward Cooperative Electron–Hole Utilization in Photocatalysis
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 9, 2024
Abstract
Despite
the
significant
milestones
in
half‐reduction
process
of
photocatalysis,
challenges
remain
fully
utilizing
electron–hole
pairs
simultaneous
redox
reactions.
Herein,
a
Z‐scheme
ZnIn
2
S
4
/W
18
O
49
(ZW)
hybrid
with
complementary
band
edge
potential
is
situ
constructed.
The
resultant
fuzzy
1D‐assembled
sea‐urchin
photocatalyst
demonstrates
an
optimal
H
and
benzaldehyde
yield
122
106
µmol
h
−1
under
λ
>
420
nm
light
irradiation.
This
sacrificial‐agent‐free
system
entails
solar‐to‐hydrogen
(STH)
apparent
quantum
efficiency
(AQE)
values
0.466%
2.48%
(420
nm),
respectively,
surpassing
most
recently
reported
photocatalytic
systems
without
aid
noble
metal
cocatalysts.
outstanding
performance
mainly
attributed
to
synergistic
formation
intimate
heterojunction
induction
localized
surface
plasmon
resonances.
Comprehensive
characterization
studies
prove
direct
injection
energetic
hot
electrons
promote
number
long‐lived
active
electrons.
Besides,
electron
paramagnetic
resonance
scavenger
tests
clarify
complicated
mechanistic
puzzle
dual‐redox
reaction,
where
formed
dominantly
via
O─H
activation
followed
by
C─H
cleavage
benzyl
alcohol
over
ZW
hybrid.
Lastly,
universal
use
composites
testified
various
systems.
study
offers
novel
outlook
for
designing
dual‐functioning
heterojunctions
toward
feasible
photoredox
application.
Язык: Английский
Recent advancements in metal-free nitrides based single-atom catalysts: Nanoarchitectonics and applications
Progress in Materials Science,
Год журнала:
2025,
Номер
unknown, С. 101490 - 101490
Опубликована: Апрель 1, 2025
Язык: Английский
Synergistic potassium intercalation and cyano group modification on crystalline carbon nitride homojunction towards dual-functional photoredox coupling of H2O2 and benzaldehyde production
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 158992 - 158992
Опубликована: Дек. 1, 2024
Язык: Английский
Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion
InfoScience.,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 5, 2024
Abstract
Semiconductor
photocatalysis
is
a
promising
tactic
to
simultaneously
overcome
global
warming
and
the
energy
crisis
as
it
can
directly
convert
inexhaustible
solar
into
clean
fuels
valuable
chemicals,
hence
being
employed
in
various
applications.
However,
current
performance
of
largely
impeded
by
fast
recombination
photogenerated
charge
carriers
insufficient
light
absorption.
Among
materials,
bismuth‐based
photocatalysts
have
stood
out
excellent
candidates
for
efficient
due
their
unique
controllable
crystal
structures
relatively
narrow
band
gap.
These
features
endow
selective
exposure
active
facets
(facet
engineering)
wide
absorption
range,
resulting
tunable
photocatalytic
activity,
selectivity,
stability.
Therefore,
great
potential
use
facet‐engineered
applications
(e.g.,
water
splitting,
CO
2
reduction,
N
fixation,
H
O
production)
achieve
sustainable
development.
Herein,
introduction
provides
overview
this
research,
while
synthesis,
modification
strategy,
latest
progress
application
were
summarized
highlighted
review
paper.
Lastly,
conclusion
outlooks
topic
concluded
give
some
insights
direction
focus
future
research.
Язык: Английский