Advanced Functional Materials,
Год журнала:
2023,
Номер
34(10)
Опубликована: Ноя. 21, 2023
Abstract
Tailoring
the
d‐orbital
electron
of
Fe
(III)
in
oxyhydroxide
is
highly
expected
to
realize
an
efficient
hydrazine
oxidation
reaction
(HzOR)
for
assisting
seawater
electrolysis.
Although
interface
engineering
can
effectively
change
states
on
sites
by
charge
injection
or
extraction,
most
interfaces
have
a
directional
electric
field
inaccessible
regulation.
Herein,
combination
iron
and
biphasic
nickel
phosphide
established
obtain
dual
built‐in
(BEF)
with
opposite
direction,
which
aims
manipulate
configuration
sites,
thereby
optimizing
binding
strength
activating
N
2
H
4
intermediates.
Both
computational
experimental
analyses
reveal
that
moderate
Fe─*N
originating
from
tailored
plays
key
role
accelerating
dehydrogenation.
Impressively,
such
promising
promotion
endows
catalyst
remarkable
HzOR
activity,
realizing
working
potentials
−8
44
mV
10
100
mA
cm
−2
alkaline
seawater,
respectively,
achieving
outstanding
long‐term
stability
over
h.
production
hybrid
electrolyzer
(HSE)
requires
dramatically
low
power
consumption
16.4
Wh
L
−1
≈100%
Faraday
efficiency.
It
believed
work
sheds
new
inspiration
regulation
obtaining
advanced
electrocatalysts.
EES Catalysis,
Год журнала:
2023,
Номер
1(4), С. 333 - 352
Опубликована: Янв. 1, 2023
This
article
reviews
organic
photocatalyst
hydrogen
evolution
reaction
(HER),
discussing
the
excitonic
behaviour
and
improvement
strategies.
It
also
covers
progress
in
photocatalysts,
assesses
HER
efficiency
stability.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 26, 2024
Abstract
Efficiently
converting
solar
energy
into
chemical
remains
a
formidable
challenge
in
artificial
photosynthetic
systems.
To
date,
rarely
has
an
system
operating
the
open
air
surpassed
highest
solar-to-biomass
conversion
efficiency
(1%)
observed
plants.
In
this
study,
we
present
three-dimension
polymeric
photocatalyst
achieving
solar-to-H
2
O
of
3.6%
under
ambient
conditions,
including
real
water,
air,
and
room
temperature.
The
impressive
performance
is
attributed
to
efficient
storage
electrons
inside
materials
via
expeditious
intramolecular
charge
transfer,
fast
extraction
stored
by
that
can
diffuse
internal
pores
self-supporting
three-dimensional
material.
This
construction
strategy
suppresses
interlayer
transfer
excitons,
polarizers
carriers,
effectively
increases
utilization
excitons
82%.
breakthrough
provides
perspective
substantially
enhance
photocatalytic
bear
substantial
implications
for
sustainable
generation
environmental
remediation.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(12)
Опубликована: Март 13, 2024
Manipulating
exciton
dissociation
and
charge-carrier
transfer
processes
to
selectively
generate
free
radicals
of
more
robust
photocatalytic
oxidation
capacity
for
mineralizing
refractory
pollutants
remains
challenging.
Herein,
we
propose
a
strategy
by
simultaneously
introducing
the
cyano-group
Na
into
graphitic
carbon
nitride
(CN)
obtain
CN-Cy-Na,
which
makes
pathways
dominant
process
consequently
achieves
selective
generation
radicals.
Briefly,
intensifies
local
charge
density
CN,
offering
potential
well
attract
hole
exciton,
accelerates
dissociation.
Meanwhile,
separated
electron
transfers
efficiently
under
built-in
electric
field
induced
Na,
eventually
accumulates
in
heptazine
ring
CN
following
O
2
reduction
due
reinforced
sink
effect
caused
Na.
As
result,
CN-Cy-Na
exhibits
4.42
mmol
L
−1
h
productivity
with
97.6%
selectivity
82.1%
total
organic
removal
efficiency
tetracycline
photodegradation
within
6
h.
Additionally,
also
shows
outstanding
pollutants,
including
antibiotics,
pesticide
plastic
additives,
dyes.
This
work
presents
an
innovative
approach
manipulating
enhancing
mobility
two-dimensional
photocatalysts,
opening
avenue
precise
control
radical
generation.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Hydrogen-bonded
organic
frameworks
(HOFs)
demonstrate
significant
potential
for
application
in
photocatalysis.
However,
the
low
efficiency
of
electron-hole
separation
and
limited
stability
inhibit
their
practical
utilization
photocatalytic
hydrogen
evolution
from
water
splitting.
Herein,
novel
dual-pyrene-base
supramolecular
HOF/COF
2D/2D
S-scheme
heterojunction
between
HOF-H
