Materials Today,
Год журнала:
2023,
Номер
73, С. 105 - 129
Опубликована: Июнь 10, 2023
Interconnected
porous
materials
have
recently
emerged
as
hybrid
materials,
comprising
(meso/micro)pores
with
interconnected
(micro/meso)porous
walls.
Benefiting
from
structural,
morphological,
and
geometrical
properties,
are
endowed
high
porosity,
specific
surface
area,
mass
transfer
capacity,
tailored
pore
sizes,
volume
shape
compatibility.
These
can
be
synthesized
further
functionalized
into
a
wide
range
of
nanomaterials
by
either
modifying
conventional
strategies
or
involving
novel
such
pillared-layer
assembly,
defect-formation
and/or
the
use
structure-directing
agents.
Owing
to
their
exceptional
already
exhibited
remarkable
potential
in
various
practical
applications
including
reduction,
sensing,
purification,
detection
gases,
harvesting,
conversion,
storage
energy,
photocatalysis,
electrocatalysis,
chemical
synthesis,
well
non-automotive
applications.
A
brief
description
recent
advancements
catalysis
energy
conversion/storage
prospects
is
provided
this
contribution.
ACS Nano,
Год журнала:
2023,
Номер
17(11), С. 10976 - 10986
Опубликована: Май 24, 2023
Photocatalytic
CO2
conversion
to
fuels
is
a
promising
strategy
for
achieving
global
carbon
neutrality.
However,
infrared
light,
which
accounts
∼50%
of
the
full
sunlight
spectrum,
has
not
yet
been
effectively
utilized
via
photocatalysis.
Here,
we
present
an
approach
directly
power
photocatalytic
reduction
using
near-infrared
light.
This
light-responsive
process
occurs
on
in
situ
generated
Co3O4/Cu2O
photocatalyst
with
nanobranch
structure.
Photoassisted
Kelvin
probe
force
microscopy
and
relative
measurements
demonstrate
increase
surface
photovoltage
after
illumination
by
We
also
find
that
Cu(I)
this
could
facilitate
formation
*CHO
intermediate,
thus
enabling
high-performance
CH4
production
yield
6.5
μmol/h
selectivity
99%.
Moreover,
perform
practically
oriented
direct
solar-driven
under
concentrated
achieve
fuel
12.5
μmol/h.
Advanced Energy Materials,
Год журнала:
2023,
Номер
14(5)
Опубликована: Дек. 11, 2023
Abstract
The
development
of
efficient
photocatalysts
for
artificial
photocatalytic
energy
conversion
is
an
intriguing
strategy.
Promisingly,
conjugated
polymers
(CPs)
have
been
actively
investigated
as
alternatives
to
traditional
inorganic
semiconductors
photocatalysis
due
their
molecularly
tunable
optoelectronic
properties,
thus
providing
a
great
platform
molecular
design.
Incorporating
donor
(D)
and
acceptor
(A)
units
into
the
backbone
CPs
ensures
adequate
D−A
interface,
which
essential
facilitating
charge
separation.
This
approach
also
allows
bandgaps
leading
significant
progress
in
conversions
recent
years.
Here,
fundamentals
D–A
type
are
initially
outlined,
followed
by
advanced
experimental
methods
density
functional
theory
(DFT)
calculations
investigating
carrier
dynamics.
Then,
detailed
exposition
synthetic
strategies
carried
out.
Their
extensive
applications
diverse
energy‐related
conversions,
such
hydrogen
evolution,
oxygen
overall
water
splitting,
CO
2
reduction,
N
H
O
evolution
comprehensively
presented.
review
provides
new
comprehensive
insights
molecular‐level
design
catalysts
boosted
conversion,
expected
further
advance
photocatalysis.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(35)
Опубликована: Июль 5, 2023
Electrocatalytic
CO2
reduction
via
renewable
electricity
provides
a
sustainable
way
to
produce
valued
chemicals,
while
it
suffers
from
low
activity
and
selectivity.
Herein,
we
constructed
novel
catalyst
with
unique
Ti3
C2
Tx
MXene-regulated
Ag-ZnO
interfaces,
undercoordinated
surface
sites,
as
well
mesoporous
nanostructures.
The
designed
Ag-ZnO/Ti3
achieves
an
outstanding
conversion
performance
of
nearly
100%
CO
Faraday
efficiency
high
partial
current
density
22.59
mA
cm-2
at
-0.87
V
versus
reversible
hydrogen
electrode.
electronic
donation
Ag
up-shifted
d-band
center
relative
Fermi
level
within
interfaces
contributes
the
selectivity
CO.
is
highly
correlated
dominated
linear-bonded
intermediate
confirmed
by
in
situ
infrared
spectroscopy.
This
work
enlightens
rational
design
metal-oxide
regulation
MXene
for
high-performance
electrocatalysis
beyond
reduction.
eScience,
Год журнала:
2024,
Номер
4(3), С. 100246 - 100246
Опубликована: Фев. 2, 2024
Indium-based
oxides
are
promising
electrocatalysts
for
producing
formate
via
CO2
reduction
reaction,
in
which
*OCHO
is
considered
the
key
intermediate.
Here,
we
identified
that
*COOH
pathway
could
be
preferential
to
produce
on
In2O3
of
In/In2O3
heterojunction
due
synergistic
effect
oxygen
species
and
vacancy.
Specifically,
*CO2
were
observed
related
production
by
situ
Raman
spectroscopy.
The
theoretical
calculations
further
demonstrated
energy
barrier
formation
was
decreased
presence
vacancy,
similar
or
lower
than
In
surface.
As
a
result,
selectivity
over
90%
obtained
prepared
with
343
±
7
mA
cm–2
partial
current
density.
Furthermore,
when
using
Si-based
photovoltaic
as
an
supplier,
10.11%
solar–to–fuel
efficiency
achieved.
