Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Июнь 4, 2024
Abstract
Solar
fuel
synthesis
is
intriguing
because
solar
energy
abundant
and
this
method
compensates
for
its
intermittency.
However,
most
photocatalysts
can
only
absorb
UV‐to‐visible
light,
while
near‐infrared
(NIR)
light
remains
unexploited.
Surprisingly,
the
charge
transfer
between
ZnO
CuInS
2
quantum
dots
(QDs)
transform
a
NIR‐inactive
into
NIR‐active
composite.
This
strong
response
attributed
to
increased
concentration
of
free
carriers
in
p‐type
semiconductor
at
interface
after
migration
,
enhancing
localized
surface
plasmon
resonance
(LSPR)
effect
NIR
.
As
paradigm,
ZnO/CuInS
heterojunction
used
H
O
production
coupled
with
glycerin
oxidation
demonstrates
supreme
performance,
corroborating
importance
efficient
transfer.
Mechanistic
studies
through
contact
potential
difference
(CPD),
Hall
test,
finite
element
(FEM)
calculation
allow
direct
correlation
approach
bypasses
general
issues,
thereby
stepping
forward
ambitious
goal
harnessing
entire
spectrum.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 10, 2024
Abstract
Photocatalytic
solar
hydrogen
generation,
encompassing
both
overall
water
splitting
and
organic
reforming,
presents
a
promising
avenue
for
green
production.
This
technology
holds
the
potential
reduced
capital
costs
in
comparison
to
competing
methods
like
photovoltaic‐electrocatalysis
photoelectrocatalysis,
owing
its
simplicity
fewer
auxiliary
components.
However,
current
solar‐to‐hydrogen
efficiency
of
photocatalytic
production
has
predominantly
remained
low
at
≈1–2%
or
lower,
mainly
due
curtailed
access
entire
spectrum,
thus
impeding
practical
application
review
offers
an
integrated,
multidisciplinary
perspective
on
Specifically,
existing
approaches
photocatalyst
system
designs
aimed
significantly
boosting
efficiency,
while
also
considering
factors
cost
scalability
each
approach.
In‐depth
discussions
extending
beyond
efficacy
material
design
strategies
are
particularly
vital
identify
hurdles
translating
photocatalysis
research
large‐scale
applications.
Ultimately,
this
aims
provide
understanding
feasible
pathways
commercializing
technology,
engineering
economic
standpoints.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(28)
Опубликована: Март 12, 2024
Abstract
Photocatalytic
hydrogen
evolution
reaction
(HER)
is
a
very
promising
and
sustainable
technology,
yet
precisely
exploring
effective
HER
photocatalysts
remains
critical
challenge
due
to
the
rapid
charge
recombination.
In
this
work,
brand‐new
S‐scheme
heterojunction
successfully
designed
constructed
by
in
situ
growth
of
twinned
Zn
0.5
Cd
S
Solid
Solution
(CZS)
on
novel
fluorenone‐based
covalent
triazine
framework
(FOCTF).
The
heterojunctions
identified
via
irradiation
XPS,
electron
spin
resonance,
which
can
greatly
improve
photocatalytic
rate
stability.
Under
illumination,
highest
well‐designed
CZS‐FOCTF
247.62
mmolg
−1
h
,
3.83
times
as
high
that
pure
CZS.
Experimental
theoretical
investigations
corroborate
new
FOCTF
has
well‐matched
staggered
band
alignment
work
function
difference
with
as‐fabricated
establish
favorable
internal
electric
field,
accelerates
directional
migration,
thereby
enhancing
separation
utilization
efficiency
carriers.
This
finding
achieves
spatially
oriented
powerful
transport
at
interfaces
inorganic–organic
hybrid
heterojunctions.
It
thus
desirable
furnish
an
alternative
strategy
rationally
design
CZS‐based
based
organic
oxidation
semiconductors
for
diversified
reactions.
