Improved performances toward electrochemical carbon dioxide and oxygen reductions by iron-doped stannum nanoparticles
Nanoscale,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
We
have
designed
a
catalyst
that
can
efficiently
convert
CO
2
into
through
Zn–CO
batteries
and
the
electrochemical
RR,
addressing
both
energy
conversion
environmental
concerns
simultaneously.
Язык: Английский
High entropy catalysts in electrolytic water splitting: A review from properties to applications
Chemical Engineering Journal,
Год журнала:
2024,
Номер
498, С. 155736 - 155736
Опубликована: Сен. 12, 2024
Язык: Английский
Dual Effect of Oxygen Vacancy‐Enriched TiO2 Interlayer in Si Photocathode for Enhanced Photoelectrochemical CO2 Reduction to HCOOH
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Integrating
nanostructured
catalysts
with
semiconductors
is
a
prevalent
strategy
for
the
design
of
photoelectrochemical
(PEC)
photocathodes
toward
CO2
reduction
reaction
(CO2RR).
However,
it
still
challenge
to
achieve
high
efficiency
and
selectivity
due
incompatible
catalyst/semiconductor
heterogeneous
interface.
Here,
proposed
that
engineering
oxygen
vacancy
in
TiO2
interlayer
plays
multifunctional
role
boosting
PEC
activity
CO2RR
on
Bi
catalyst
modified
Si
photocathode
(denoted
as
Si/dT/Bi).
It
discovered
accelerates
carrier
transport.
These
vacancies
also
promote
growth
Bi-based
sponge-like
nanostructures
during
photoelectro-deposition
process.
Numerous
experimental
results
combined
situ
attenuated
total
reflection
surface-enhanced
infrared
absorption
spectroscopy
reveal
these
nano-catalysts
Si/dT/Bi
provide
density
active
sites
adsorption
kinetics
HCOOH
production
by
accelerating
formation
key
intermediate
*OCHO.
This
provides
unique
route
future
advancements
technologies.
Язык: Английский
Induced C−C Coupling by Amorphous‐Crystalline Hybrid Structure for Selective CO2 Photoreduction into C2 Fuels
Dongpo He,
Guangbing Huang,
Jun Hu
и другие.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 21, 2024
Abstract
Selective
photoreduction
of
carbon
dioxide
(CO
2
)
into
high‐value
C
products
remains
a
formidable
challenge
due
to
the
elusive
C−C
coupling
step.
Herein,
novel
concept
is
first
introduced
that
an
amorphous‐crystalline
hybrid
structure
can
galvanize
previously
inert
metal
atoms,
thereby
establishing
highly
active
dual
sites.
This
ingenious
configuration
promotes
coupling,
paving
way
for
CO
products.
Taking
Bi
MoO
6
nanosheets
anchored
by
amorphous
FeOOH
species
as
example,
X‐ray
photoelectron
spectroscopy
(XPS)
spectra
and
absorption
near
edge
density
functional
theoretical
(DFT)
calculations
confirm
electron
transfer
from
nanosheets.
Thus,
introduction
activates
nonoperative
sites
construction
Bi−Mo
sites,
verified
in
situ
XPS
DFT
calculations.
Gibbs
free
energy
revealed
formation
barrier
hugely
lowed
3.41
0.45
eV
thanks
presence
species.
Therefore,
FeOOHBi
are
game
changer,
delivering
sole
liquid
product,
acetic
acid,
with
impressive
selectivity
≈86.9%.
In
contrast,
lag
behind,
only
capable
producing
monoxide
photoreduction.
Язык: Английский
Rational Strategies for Preparing Highly Efficient Tin‐, Bismuth‐ or Indium Based Electrocatalysts for Electrochemical CO2 Reduction to Formic acid
ChemSusChem,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 8, 2024
Electrochemical
carbon
dioxide
reduction
reaction
(CO
Язык: Английский
Strong and uniform Sn-S bond strength in tin sulfides-based electrocatalysts enables efficient CO2-to-formate conversion
Science China Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 8, 2025
Язык: Английский
Efficient degradation of sulfamethoxazole by a three-dimensional electro-Fenton system based on B-Fe@BC particle catalysts: A new non-radical dominated mechanism
Separation and Purification Technology,
Год журнала:
2025,
Номер
unknown, С. 133269 - 133269
Опубликована: Апрель 1, 2025
Язык: Английский
CoFe-(Oxy)Hydroxide@Co3O4-CeO2 Core–Shell Nanorods on Nickel Foam for Oxygen Evolution Reaction
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(17), С. 20370 - 20379
Опубликована: Сен. 2, 2024
The
development
of
highly
active
and
cost-effective
electrocatalysts,
such
as
transition-metal
oxides
(oxy)hydroxides,
for
the
oxygen
evolution
reaction
(OER)
is
great
importance
in
water-splitting
electrolyzers.
Building
nanohybrids
an
effective
strategy
to
improve
OER
activity
(oxy)hydroxides.
In
this
work,
we
present
a
feather-like
CoFe-(oxy)hydroxide@Co3O4-CeO2
3D
hierarchical
heterostructure
on
nickel
foam
(NF)
by
coupling
amorphous
CoFe-(oxy)hydroxide
Co3O4-CeO2
hybrid
nanorods
enhanced
performance.
Owing
synergistic
effect
interface
engineering
CoFe-(oxy)hydroxide,
Co3O4,
CeO2,
well
large
electrochemically
surface
area
with
exposed
sites,
as-prepared
electrode
exhibits
superior
required
overpotential
0.228
V
achieve
10
mA
cm–2
1.0
M
KOH,
which
among
best
values
Co3O4-based
CoFe-based
electrocatalysts.
Язык: Английский
Stable P3HT-PC61BM inverted organic solar cells based on cerium oxide as electron transport layer
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(47), С. 19779 - 19790
Опубликована: Янв. 1, 2024
Cerium
oxide
as
an
electron
transport
layer
leads
to
stable
P3HT-PC
61
BM
inverted
organic
solar
cells.
Язык: Английский
Metal–metal oxide hybrid catalysts for electrocatalytic CO2 reduction reaction
Chemical Physics Reviews,
Год журнала:
2024,
Номер
5(4)
Опубликована: Ноя. 20, 2024
Electrocatalytic
CO2
reduction
is
emerging
as
a
promising
technology
to
address
anthropogenic
carbon
emissions,
with
the
searching
of
effective
catalysts
being
primary
barrier
toward
industrial
implementation.
This
review
starts
from
long-standing
debates
over
role
subsurface
oxygen
and
positively
charged
metal
sites
(Mδ+)
within
oxide-derived
catalysts.
Thereafter,
we
focus
on
strategy
constructing
metal–metal
oxide
hybrid
catalysts,
which
enriched
M1–O–M2
heterojunctions
that
capable
maintaining
positive
valence
state
active
improving
performance.
Specifically,
advances
in
for
CO2-to-C1
conversions
are
overviewed
selective
CO,
formate,
or
CH4
production,
respectively.
summarize
interfacial
engineering
approaches
Cu/MOx
aimed
at
C2+
including
boundary
density,
morphology
effect
MOx
support,
choice
MOx,
their
interaction
manipulation
Cu
sites.
concludes
an
outlook
challenges
future
directions
developing
precisely
controlled
in-depth
understanding
structure–performance
relationship.
Continued
interdisciplinary
collaborations
materials
science,
surface
chemistry,
analytical
methodology,
theoretical
modeling
will
be
pivotal
overcoming
existing
pushing
frontiers
research.
Язык: Английский