Applied Physics Letters,
Год журнала:
2023,
Номер
122(20)
Опубликована: Май 15, 2023
Piezo-electrocatalysis
based
on
the
non-centrosymmetric
materials
opens
an
avenue
for
mechano-to-H2
production
through
harvesting
mechanical
energy,
being
undergoing
significant
growth.
Direct
comparison
of
performance
various
piezo-electrocatalysts
is
necessary
to
obtain
optimal
candidates
satisfying
demands
practical
application
but
remains
a
grand
challenge
because
acquiescently
added
sacrificial
agents
vary
considerably
in
literature.
Herein,
we
systematically
investigate
effect
four
commonly
used
types
containing
totally
15
piezo-electrocatalytic
hydrogen
evolution
by
choosing
typical
BaTiO3
catalyst
as
demo.
It
found
that
pH,
length
carbon
chain,
adsorption
strength
between
catalysts
and
agent,
combination
would
impact
H2
performance.
Moreover,
self-decomposition
agent-water
mixtures
under
ultrasonic
vibration,
implying
can
be
generated
without
piezo-electrocatalysts,
which
was
usually
ignored.
Thus,
this
work,
concept
net
yield
suggested
standardize
evaluation
future.
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(25), С. 14133 - 14142
Опубликована: Июнь 15, 2023
Electrocatalytic
reduction
of
carbon
dioxide
into
value-added
chemical
fuels
is
a
promising
way
to
achieve
neutrality.
Bismuth-based
materials
have
been
considered
as
favorable
electrocatalysts
for
converting
formic
acid.
Moreover,
size-dependent
catalysis
offers
significant
advantages
in
catalyzed
heterogeneous
processes.
However,
the
size
effects
bismuth
nanoparticles
on
acid
production
not
fully
explored.
Here,
we
prepared
Bi
uniformly
supported
porous
TiO2
substrate
electrocatalytic
by
situ
segregation
element
from
Bi4Ti3O12.
The
Bi-TiO2
electrocatalyst
with
2.83
nm
displays
Faradaic
efficiency
greater
than
90%
over
wide
potential
range
400
mV.
Theoretical
calculations
also
demonstrated
subtle
electronic
structural
evolutions
induced
variations
nanoparticles,
where
display
most
active
p-band
and
d-band
centers
guarantee
high
electroactivity
toward
CO2RR.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(40)
Опубликована: Июнь 7, 2023
The
pursuit
of
high
metal
utilization
in
heterogeneous
catalysis
has
triggered
the
burgeoning
interest
various
atomically
dispersed
catalysts.
Our
aim
this
review
is
to
assess
key
recent
findings
synthesis,
characterization,
structure-property
relationship
and
computational
studies
dual-atom
catalysts
(DACs),
which
cover
full
spectrum
applications
thermocatalysis,
electrocatalysis
photocatalysis.
In
particular,
combination
qualitative
quantitative
characterization
with
cooperation
DFT
insights,
synergies
superiorities
DACs
compare
counterparts,
high-throughput
catalyst
exploration
screening
machine-learning
algorithms
are
highlighted.
Undoubtably,
it
would
be
wise
expect
more
fascinating
developments
field
as
tunable
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(9), С. 3170 - 3214
Опубликована: Янв. 1, 2023
An
exclusive
review
focusing
on
catalysts
exhibiting
the
dinuclear
metal
synergistic
catalysis
(DMSC)
effect
for
energy
conversion
reactions
is
presented.
Advanced Materials,
Год журнала:
2023,
Номер
36(22)
Опубликована: Май 13, 2023
Abstract
Artificial
photosynthesis
enables
direct
solar‐to‐chemical
energy
conversion
aimed
at
mitigating
environmental
pollution
and
producing
solar
fuels
chemicals
in
a
green
sustainable
approach,
efficient,
robust,
low‐cost
photocatalysts
are
the
heart
of
artificial
systems.
As
an
emerging
new
class
cocatalytic
materials,
single‐atom
catalysts
(SACs)
dual‐atom
(DACs)
have
received
great
deal
current
attention
due
to
their
maximal
atom
utilization
unique
photocatalytic
properties,
whereas
noble‐metal‐free
ones
impart
abundance,
availability,
cost‐effectiveness
allowing
for
scalable
implementation.
This
review
outlines
fundamental
principles
synthetic
methods
SACs
DACs
summarizes
most
recent
advances
(Co,
Fe,
Cu,
Ni,
Bi,
Al,
Sn,
Er,
La,
Ba,
etc.)
(CuNi,
FeCo,
InCu,
KNa,
CoCo,
CuCu,
based
on
non‐noble
metals,
confined
arsenal
organic
or
inorganic
substrates
(polymeric
carbon
nitride,
metal
oxides,
sulfides,
metal–organic
frameworks,
carbon,
acting
as
versatile
scaffolds
solar‐light‐driven
reactions,
including
hydrogen
evolution,
dioxide
reduction,
methane
conversion,
synthesis,
nitrogen
fixation,
peroxide
production,
remediation.
The
concludes
with
challenges,
opportunities,
future
prospects
photosynthesis.
Abstract
Photocatalysis
driven
by
solar
energy
is
a
feasible
strategy
to
alleviate
crises
and
environmental
problems.
In
recent
years,
significant
progress
has
been
made
in
developing
advanced
photocatalysts
for
efficient
solar‐to‐chemical
conversion.
Single‐atom
catalysts
have
the
advantages
of
highly
dispersed
active
sites,
maximum
atomic
utilization,
unique
coordination
environment,
electronic
structure,
which
become
research
hotspot
heterogeneous
photocatalysis.
This
paper
introduces
potential
supports,
preparation,
characterization
methods
single‐atom
detail.
Subsequently,
fascinating
effects
on
three
critical
steps
photocatalysis
(the
absorption
incident
light
produce
electron‐hole
pairs,
carrier
separation
migration,
interface
reactions)
are
analyzed.
At
same
time,
applications
conversion
protection
(CO
2
reduction,
water
splitting,
N
fixation,
organic
macromolecule
reforming,
air
pollutant
removal,
degradation)
systematically
summarized.
Finally,
opportunities
challenges
discussed.
It
hoped
that
this
work
can
provide
insights
into
design,
synthesis,
application
promote
development
high‐performance
photocatalytic
systems.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 23, 2024
Abstract
Atomically
dispersed
active
sites
in
a
photocatalyst
offer
unique
advantages
such
as
locally
tuned
electronic
structures,
quantum
size
effects,
and
maximum
utilization
of
atomic
species.
Among
these,
asymmetric
dual‐sites
are
particular
interest
because
their
charge
distribution
generates
local
built‐in
electric
potential
to
enhance
separation
transfer.
Moreover,
the
dual
provide
flexibility
for
tuning
complex
multielectron
multireaction
pathways,
CO
2
reduction
reactions.
The
coordination
opens
new
possibilities
engineering
structure–activity–selectivity
relationship.
This
comprehensive
overview
discusses
efficient
sustainable
photocatalysis
processes
photocatalytic
reduction,
focusing
on
strategic
active‐site
design
future
challenges.
It
serves
timely
reference
development
conversion
processes,
specifically
exploring
here
exemplified
by
into
valuable
chemicals.
