ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Solar-driven
photocatalytic
nitrogen
reduction
is
a
promising
and
effective
way
to
produce
NH3
in
sustainable
manner.
The
reaction
product,
ammonium-based
nitrogen,
can
mimic
biological
fixation
for
plant
growth
replace
the
use
of
exogenous
fertilizers.
To
address
bottleneck
N2
activation
during
reduction,
catalyst
dithiosalicylic
acid
(DTSA)
with
hydrogen-bond-assisted
S–S
nonmetallic
active
center
was
constructed
by
thiosalicylic
this
study,
which
achieved
an
ammonia
yield
278.9
μmol/h/gcat..The
innovative
application
catalytic
product
as
replacement
fertilizer
Chlorella
resulted
significant
increase
concentration
without
yellowing
algal
filaments
compared
blank
control
group,
indicating
adequate
supply
functioning
Further
mechanistic
studies
reveal
alternating
pathway
at
center.
energy
barrier
rate-determining
step
(RDS)
effectively
reduced
from
2.79
2.11
eV
aid
intermolecular
hydrogen
bonding
DTSA.
controllable
mass
production
simple
synthesis,
used
cultivation
opportunity
development
NRR
catalysts
solar
Furthermore,
proposed
novel
provides
new
idea
direction
future
catalysts.
The
rational
design
of
efficient
and
stable
electrocatalysts
for
oxygen
evolution
reaction
(OER)
plays
a
crucial
role
in
addressing
the
challenges
associated
with
water
splitting
technology.
Herein,
an
amorphous/crystalline
low-ruthenium-doped
bimetallic
layered
double
hydroxide
(LDH)
electrocatalyst
(CoCu+Rux-LDH/NF)
massive
vacancy
was
fabricated
via
ion-exchange
chemical
etching,
facilitating
OER.
Among
them,
a/c-CoCu+Ru10-LDH/NF
composite
demonstrates
most
outstanding
OER
performance
1
M
KOH
alkaline
electrolyte,
attaining
minimal
overpotential
(214
mV
at
10
mA
cm−2)
small
Tafel
slope
64.31
dec-1
exceptional
durability
lasting
over
60
h.
DFT
theoretical
calculations
reveal
that
electron
structure
D-band
center
CoCu-LDH
can
be
modulated
by
incorporating
Ru-doped
crystalline
amorphous
heterogeneous
interfaces
abundant
vacancies,
leading
to
optimized
adsorption
free
energy
reactants
reduced
barriers
construction
strategy
proposed
this
paper
catalysts
heterointerfaces
offer
novel
opportunity
achieve
highly
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Solar-driven
photocatalytic
nitrogen
reduction
is
a
promising
and
effective
way
to
produce
NH3
in
sustainable
manner.
The
reaction
product,
ammonium-based
nitrogen,
can
mimic
biological
fixation
for
plant
growth
replace
the
use
of
exogenous
fertilizers.
To
address
bottleneck
N2
activation
during
reduction,
catalyst
dithiosalicylic
acid
(DTSA)
with
hydrogen-bond-assisted
S–S
nonmetallic
active
center
was
constructed
by
thiosalicylic
this
study,
which
achieved
an
ammonia
yield
278.9
μmol/h/gcat..The
innovative
application
catalytic
product
as
replacement
fertilizer
Chlorella
resulted
significant
increase
concentration
without
yellowing
algal
filaments
compared
blank
control
group,
indicating
adequate
supply
functioning
Further
mechanistic
studies
reveal
alternating
pathway
at
center.
energy
barrier
rate-determining
step
(RDS)
effectively
reduced
from
2.79
2.11
eV
aid
intermolecular
hydrogen
bonding
DTSA.
controllable
mass
production
simple
synthesis,
used
cultivation
opportunity
development
NRR
catalysts
solar
Furthermore,
proposed
novel
provides
new
idea
direction
future
catalysts.
