Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 23, 2024
Abstract
Realizing
highly
efficient
photocatalytic
hydrogen
evolution
reaction
(HER)
is
a
key
challenge.
Herein,
(FFV)
2
PdCl
complex
developed
with
dynamic
coordination
engineering
between
the
Pd
II
site
and
Fluoflavin
ligands,
couple
it
graphite
carbon
nitride
(g‐C
3
N
4
)
ultrathin
nanosheets
to
construct
novel
Z‐scheme
heterojunction
((FFV)
/C
).
The
resultant
delivers
HER
activity
of
648
µmol
h
−1
under
visible
light
(
λ
≥
400
nm)
illumination
an
apparent
quantum
yield
up
40.1%
at
nm,
far
superior
those
g‐C
‐based
catalysts
reported
previously.
Mechanistic
theoretical
studies
reveal
that
FFV
ligands
not
only
significantly
accelerates
electron
transfer
from
then
sites
via
mechanism,
but
also
effectively
maintain
efficacy
stability
active
sties,
thus
ultralow
Pd‐loading
amount
(ca.
0.1
wt.%)
exhibits
impressive
durability.
present
structural
are
applicable
for
improving
performance
other
semiconductors,
paving
potential
way
manufacturing
H
production
systems.
Solar RRL,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Photocatalytic
CO
2
reduction
is
the
use
of
solar
energy
to
catalyze
conversion
into
a
fuel
with
added
value,
and
it
an
effective
way
reuse
achieve
carbon
neutrality.
In
this
study,
NiAl–layered
double
hydroxides
(LDH)/Bi
Sn
O
7
–Ov/CuO–Ov
composites
oxygen
vacancies
are
successfully
prepared,
effects
different
component
contents
investigated.
The
main
products
best
sample
NiAl–LDH/BSOv‐40/CuOv‐20
monoxide,
methane,
ethane
yields
29.95,
18.46,
32.13
μmol
g
−1
h
,
respectively,
selectivity
68.15%
for
C
H
6
product.
evolutionary
pathway
photocatalytic
mechanism
investigated
by
in
situ
Fourier
transform
infrared
spectroscopy
theoretical
calculations.
work,
scope
application
vacancy
catalysts
production
field
photocatalysis
broadened.