Noble-Metal-Free Metal Oxides for Catalyzing Acidic Oxygen and Hydrogen Evolution Reactions: Recent Developments and Future Perspectives
Zhongliang Dong,
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Bowen Li,
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Yinlong Zhu
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et al.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(14), P. 12387 - 12408
Published: April 11, 2024
Proton
exchange
membrane
(PEM)
water
electrolysis
has
emerged
as
a
highly
promising
technology
for
sustainable
hydrogen
(H2)
production,
but
its
widespread
application
relies
heavily
on
the
development
of
high-performance
and
cost-effective
evolution
reaction
(HER)
oxygen
(OER)
electrocatalysts.
Currently,
noble-metal-based
materials
(such
Pt
Ir/Ru
oxides)
serve
benchmark
electrocatalysts
HER
OER
in
acidic
environments,
their
high
cost
limited
availability
pose
major
challenges
toward
industrialization.
Low-cost
noble-metal-free
metal
oxides
are
an
important
class
functional
with
rich
compositions
structures,
offering
flexible
electronic
crystal
structures
tunable
physical
chemical
properties.
In
this
Review,
we
present
comprehensive
timely
summary
remarkable
progress
achieved
field
catalyzing
OER.
First,
provide
brief
description
fundamental
concepts
media,
including
mechanisms,
computational
activity
descriptors,
experimental
parameters
that
utilized
evaluation
catalytic
performance.
Second,
overview
is
provided
covering
various
types
media
reported
so
far
(e.g.,
simple
transition
oxides,
spinel
rutile
antimonate
perovskite
specially
structured
mixed-metal-oxide
composites),
focus
designed
strategies
enhancing
performance
establishing
correlations
between
properties
activity.
Lastly,
future
research
directions
regarding
summarized
discussed.
Language: Английский
Metal/Covalent Organic Framework Encapsulated Lead-Free Halide Perovskite Hybrid Nanocatalysts: Multifunctional Applications, Design, Recent Trends, Challenges, and Prospects
Anam Altaf,
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Iltaf Khan,
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Aftab Khan
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et al.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(32), P. 34220 - 34242
Published: Aug. 1, 2024
Perovskites
are
bringing
revolutionization
in
a
various
fields
due
to
their
exceptional
properties
and
crystalline
structure.
Most
specifically,
halide
perovskites
(HPs),
lead-free
(LFHPs),
perovskite
quantum
dots
(HPs
QDs)
becoming
hotspots
unique
optoelectronic
properties,
low
cost,
simple
processing.
HPs
QDs,
particular,
have
excellent
photovoltaic
applications
because
of
tunable
emission,
high
photoluminescence
yield
(PLQY),
effective
charge
separation,
cost.
However,
practical
the
QDs
family
some
limitations
such
as
degradation,
instability,
deep
trap
states
within
bandgap,
structural
inflexibility,
scalability,
inconsistent
reproducibility,
environmental
concerns,
which
can
be
covered
by
encapsulating
into
porous
materials
like
metal–organic
frameworks
(MOFs)
or
covalent–organic
(COFs)
that
offer
protection,
prevention
aggregation,
optical
flexibility
structure,
enhanced
biocompatibility,
improved
stability
under
harsh
conditions,
consistency
production
quality,
efficient
separation.
These
advantages
MOFs-COFs
help
harness
full
potential
for
applications.
This
review
mainly
consists
three
parts.
The
first
portion
discusses
perovskites,
dots.
In
second
portion,
we
explore
MOFs
COFs.
third
particular
emphasis
is
given
thorough
evaluation
development
QDs@MOFs-COFs
based
comprehensive
investigations
next-generation
intended
diverse
technological
applications,
CO2
conversion,
pollutant
hydrogen
generation,
batteries,
gas
sensing,
solar
cells.
Finally,
this
will
open
new
gateway
synthesis
perovskite-based
Language: Английский
Low-iridium/ruthenium perovskite oxides: An emerging family of material platforms for oxygen evolution reaction in acid
Ling Yuan,
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Zhongliang Dong,
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Zheng Tang
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et al.
Journal of Energy Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Language: Английский
Step-scheme photocatalyst of CsPbBr3/BiOBr with oxygen vacancy for efficient CO2 photoreduction
Wanjun Sun,
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Jifei Liu,
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Feitian Ran
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et al.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(33), P. 14018 - 14027
Published: Jan. 1, 2024
Metal
halide
perovskites
with
suitable
energy
band
structures
and
excellent
visible-light
responses
have
emerged
as
promising
photocatalysts
for
CO
Language: Английский
Surface plasmon-mediated photoluminescence boost in graphene-covered CsPbBr3 quantum dots
Young S. Park,
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Elham Oleiki,
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Guanhua Ying
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et al.
Applied Surface Science,
Journal Year:
2024,
Volume and Issue:
681, P. 161601 - 161601
Published: Oct. 22, 2024
Language: Английский
Recent Advances in Metal Halide Perovskites for CO2 Photocatalytic Reduction: An Overview and Future Prospects
Jinpeng Lv,
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Rui‐tang Guo,
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Hao‐wen Zhu
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et al.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Abstract
The
photocatalytic
reduction
of
CO
2
into
valuable
chemicals
and
fuels
has
become
a
significant
research
focus
in
recent
years
due
to
its
environmental
sustainability
energy
efficiency.
Metal
halide
perovskites
(MHPs),
renowned
for
their
remarkable
optoelectronic
properties
tunable
structures,
are
regarded
as
promising
photocatalysts.
Yet,
practical
uses
constrained
by
inherent
instability,
severe
electron–hole
recombination,
scarcity
active
sites,
prompting
substantial
efforts
optimize
MHP‐based
This
review
summarizes
the
latest
advancements
photocatalysis.
First
fundamental
principles
photocatalysis
outlined
structural
optical
characteristics
MHPs
evaluated.
Then
key
strategies
enhancing
MHP
photocatalysts,
including
morphology
surface
modification,
encapsulation,
metal
cation
doping,
heterojunction
engineering,
molecular
immobilization
highlighted.
Finally,
considering
progress
needs
industrial
application,
challenges
future
prospects
explored.
aims
support
researchers
development
more
efficient
stable
Language: Английский
Phase‐Pure Iron Pyrite Nanocrystals as Air‐Stable Hole‐Transport Materials for Low‐Cost Perovskite Solar Cells
Energy Technology,
Journal Year:
2024,
Volume and Issue:
12(11)
Published: Aug. 8, 2024
Spiro‐OMeTAD
is
a
commonly
used
organic
hole‐transport
material
(HTM)
in
MAPbI
3
‐based
perovskite
solar
cells
(PSCs)
for
achieving
high
efficiency.
However,
its
hydrophilic
nature
compromises
device
stability
and
performance
reproducibility,
especially
under
ambient
conditions.
In
this
study,
PSCs
are
fabricated
conditions,
phase‐pure
iron
pyrite
nanocrystals
(FeS
2
NCs)
synthesized
utilized
as
HTM.
Using
the
HTM
leads
to
22%
increase
short‐circuit
current
density
(
J
SC
)
compared
Spiro‐OMeTAD,
resulting
enhanced
PSC
performance.
This
confirms
FeS
NCs
promising
PSCs.
Iron
improves
extraction
of
photogenerated
charge
carriers
indicating
superior
layer.
Furthermore,
longer
layer
humid
conditions
layer,
demonstrated
by
contact
angle
measurements.
improvement
helps
prevent
humidity‐induced
degradation
Transient
photocurrent
studies
reverse
bias
reveal
fewer
defects
at
perovskite/iron
interface,
suggesting
defect
passivation
effect
NCs.
study
demonstrates
that
can
serve
an
effective
enhance
low‐cost
Language: Английский
Novel Single Perovskite Material for Visible‐Light Photocatalytic CO2 Reduction via Joint Experimental and DFT Study
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Developing
advanced
and
economically
viable
technologies
for
the
capture
utilization
of
carbon
dioxide
(CO
2
)
is
crucial
sustainable
energy
production
from
fossil
fuels.
Converting
CO
into
valuable
chemicals
fuels
a
promising
approach
to
mitigate
atmospheric
levels.
Among
various
methods,
photocatalytic
reduction
stands
out
its
potential
reduce
emissions
produce
useful
products.
Here,
novel
perovskite
ZnMoFeO
3
(ZMFO)
nanosheets
are
presented
as
semiconductor
photocatalysts
reduction.
Experimental
results
show
that
ZMFO
has
narrow
bandgap,
exceptional
visible
light
response,
large
specific
surface
area,
high
crystallinity,
surface‐active
sites,
leading
an
impressive
activity
24.87
µmolg
−1
h
strong
stability.
Theoretical
calculations
reveal
conversion
CH
4
on
follows
formaldehyde
carbine
pathways.
This
study
provides
significant
insights
designing
innovative
oxide‐based
economical
efficient
systems.
Language: Английский