Abstract
The
catalytic
coordinate
is
essentially
the
evolving
frontier
orbital
interaction
while
feeding
with
materials
and
adsorbates
under
proper
reaction
conditions.
heterogeneous
mechanism
involves
initial
adsorption
activation
of
reactants,
subsequent
intermediate
transformation,
final
target
product
desorption,
regeneration
materials.
In
these
processes,
modulations
in
terms
hybridization/coupling
allow
an
intrinsic
control
on
both
thermodynamics
kinetics.
Concerned
charge
transfer
redistribution,
splitting
rearrangement
specific
orientation,
spin
change
crossover
pose
a
formidable
challenge
elucidation;
it
hard
to
precisely
correlate
apparent
activity
selectivity,
let
alone
rational
it.
Therefore,
deciphering
couplings
inside
round
highly
desirable
dependent
descriptor
further
provides
in‐depth
insights
into
catalyst
design
at
molecule
level.
This
review
hopes
provide
comprehensive
understanding
hybridizations,
modulations,
correlated
descriptors
catalysis.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(7), С. 9221 - 9230
Опубликована: Фев. 9, 2023
Photocatalytic
reduction
of
CO2
into
valuable
hydrocarbon
fuels
is
one
the
green
ways
to
solve
energy
problem
and
achieve
carbon
neutrality.
Exploring
photocatalyst
with
low
toxicity
high-efficiency
key
realize
it.
Here
we
report
a
lead-free
halide
perovskite-based
0D/2D
Cs3Bi2Br9/Bi2WO6
(CBB/BWO)
S-scheme
heterojunction
for
photoreduction,
prepared
by
facile
electrostatic
self-assembly
approach.
The
CBB/BWO
shows
superior
photoreduction
under
visible
light
CO
generation
rate
220.1
μmol·g–1·h–1,
which
∼115.8
∼18.5
times
higher
than
that
Cs3Bi2Br9
perovskite
quantum
dots
(CBB
PQDS)
Bi2WO6
nanosheets
(BWO
NS),
respectively.
improved
photocatalytic
activity
can
be
attributed
tight
structure
charge
transfer
pathway
between
PQDS
atomic
layers
NS,
shortens
transmission
distance
photogenerated
carriers
boosts
efficient
separation
carriers.
This
work
provides
insight
in
manufacturing
potential
photocatalysts
achieving
Using
full
solar
spectrum
for
energy
conversion
and
environmental
remediation
is
a
major
challenge,
solar-driven
photothermal
chemistry
promising
route
to
achieve
this
goal.
Herein,
work
reports
nano-constrained
reactor
based
on
hollow
structured
g-C3
N4
@ZnIn2
S4
core-shell
S-scheme
heterojunction,
where
the
synergistic
effect
of
super-photothermal
heterostructure
significantly
improve
photocatalytic
performance
.
The
formation
mechanism
predicted
in
advance
by
theoretical
calculations
advanced
techniques,
its
contribution
near-field
chemical
reaction
confirmed
numerical
simulations
infrared
thermography.
Consequently,
degradation
rate
tetracycline
hydrochloride
99.3%,
hydrogen
production
up
4075.65
µmol
h-1
g-1
,
which
are
6.94
30.87
times
those
pure
respectively.
combination
heterojunction
thermal
synergism
provides
insight
design
an
efficient
platform.
Using
CO2
,
water,
and
sunlight
to
produce
solar
fuel
is
a
very
attractive
process,
which
can
synchronously
reduce
carbon
convert
energy
into
hydrocarbons.
However,
photocatalytic
reduction
often
limited
by
the
low
selectivity
of
products
poor
activity.
In
this
study,
S-scheme
Bi5
O7
I-OVs/Cd0.5
Zn0.5
S
(Bi5
I-OVs/CZS-0.5)
heterojunction
with
strong
interfacial
electric
field
(IEF)
prepared
in
situ
growth
method.
The
performance
CO
studied
continuous
flow
photothermal
catalytic
(PTC)
platform.
12.5%
I-OVs/CZS-0.5
shows
excellent
yield
58.6
µmol
g-1
h-1
98.4%,
are
35.1
times
than
that
CZS-0.5
under
visible
light.
charge
transfer
path
through
theoretical
calculation
(DFT),
irradiation
Kelvin
probe
force
microscope
(ISI-KPFM)
X-ray
photoelectron
spectroscopy
(ISI-XPS)
analysis,
verified.
study
provide
useful
guidance
reference
for
improving
activity
oxygen
vacancy
induced
IEF
development
PTC
system.
EES Catalysis,
Год журнала:
2024,
Номер
2(2), С. 411 - 447
Опубликована: Янв. 1, 2024
This
review
comprehensively
summarizes
the
recent
advances
on
crystalline
carbon
nitrides,
including
their
preparation,
optimization
strategies,
photocatalytic
applications,
as
well
challenges
and
prospects.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(21)
Опубликована: Апрель 1, 2024
Abstract
Single‐metal
atomic
sites
and
vacancies
can
accelerate
the
transfer
of
photogenerated
electrons
enhance
photocatalytic
performance
in
photocatalysis.
In
this
study,
a
series
nickel
hydroxide
nanoboards
(Ni(OH)
x
NBs)
with
different
loadings
single‐atomic
Ru
(
w
‐SA‐Ru/Ni(OH)
)
were
synthesized
via
photoreduction
strategy.
such
catalysts,
are
anchored
to
surrounding
pits.
Notably,
SA‐Ru/Ni(OH)
0.60
wt
%
loading
(0.60‐SA‐Ru/Ni(OH)
exhibits
highest
catalytic
(27.6
mmol
g
−1
h
during
reduction
CO
2
(CO
RR).
Either
superfluous
(0.64
%,
18.9
;
3.35
9.4
or
scarce
(0.06
15.8
0.29
21.95
0.58
23.4
have
negative
effect
on
its
properties.
Density
functional
theory
(DFT)
calculations
combined
experimental
results
revealed
that
be
adsorbed
pits;
help
conversion
as‐adsorbed
lower
energy
*COOH
formation
accelerating
reaction;
excessive
occupy
retard
completion
RR.