Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(43), P. 20697 - 20704
Published: Oct. 19, 2024
High-entropy
alloy
(HEA)
electrocatalysts
have
exhibited
remarkable
catalytic
performance
because
of
their
synergistic
interactions
among
multiple
metals.
However,
the
growth
mechanism
HEAs
remains
elusive,
primarily
due
to
constraints
imposed
by
current
synthesis
methodologies
for
HEAs.
In
this
work,
an
innovative
electrodeposition
method
was
developed
fabricate
Pt-based
nanocomposites
(Pt
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(12), P. 6021 - 6041
Published: Jan. 1, 2024
This
review
provides
a
comprehensive
overview
of
the
recent
advancements
in
controllable
synthesis
high-entropy
alloys,
ranging
from
approach
and
significance
composition,
morphology,
structure,
surface/interface
engineering.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
Abstract
The
key
to
fully
realizing
the
potential
of
high‐entropy
alloys
(HEAs)
lies
in
balancing
their
inherent
local
chemical
disordering
with
long‐range
ordering
required
for
electrochemical
applications.
Herein,
we
synthesized
a
distinctive
L1
0
‐(PtIr)(FeMoBi)
intermetallics
(HEIs)
exhibiting
nanoscale
order
and
atomic
scale
short‐range
disorder
via
lattice
compensation
strategy
mitigate
entropy
reduction
tendency.
(PtIr)(FeMoBi)
catalyst
exhibited
remarkable
activity
selectivity
glycollic
acid
(GA)
production
electrocatalytic
waste
polymer‐derived
ethylene
glycol
oxidation
reaction
(EGOR).
With
mass
5.2
A
mg
Pt
−1
Faradaic
efficiency
(FE)
GA
95
%,
it
outperformed
most
previously
reported
electrocatalysts
selective
production.
lattice‐compensation
effect
promotes
homogeneity
Fe
actives
sites,
facilitating
co‐adsorption
EG
OH
reducing
energy
barriers
dehydrogenation
OH‐combination
processes.
This
approach
effectively
avoids
formation
low‐active
sites
commonly
encountered
HEA
solid
solutions,
offering
promising
avenue
exploring
complex
interplay
between
catalytic
HEI
structures.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
With
their
unique
structural
characteristics,
customizable
chemical
composition,
and
adjustable
functional
high‐entropy
materials
(HEMs)
have
triggered
a
wide
range
of
interdisciplinary
research,
especially
in
the
biomedical
field.
In
this
paper,
basic
concept,
core
properties,
preparation
methods
HEMs
are
first
summarized,
then
application
development
field
briefly
described.
Subsequently,
based
on
diverse
comprehensive
properties
few
reported
cases,
possible
scenarios
biological
fields
such
as
biosensors,
antibacterial
materials,
therapeutics,
bioimaging,
tissue
engineering
prospectively
predicted
discussed.
Finally,
potential
advantages
major
challenges
is
which
may
provide
useful
guidance
principles
for
researchers
to
develop
optimize
novel
HEMs.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
In-depth
comprehension
and
manipulation
of
band
occupation
at
metal
centers
are
crucial
for
facilitating
effective
adsorption
electron
transfer
in
lithium-oxygen
battery
(LOB)
reactions.
Rare
earth
elements
play
a
unique
role
hybridization
due
to
their
deep
orbitals
strong
localization
4
f
electrons.
Herein,
we
anchor
single
Ce
atoms
onto
CoO,
constructing
highly
active
stable
catalyst
with
d-f
dual-band
redox
center.
It
is
discovered
that
the
itinerant
behavior
electrons
introduces
an
enhanced
spin-orbit
coupling
effect,
which
facilitates
ideal
σ/π
bonding
flexible
between
Ce/Co
sites
*O.
Simultaneously,
injection
localized
strengthens
orbital
capacity
Co-O,
effectively
inhibits
dissolution
Co
improves
structural
stability
cathode
material.
Bracingly,
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
ABSTRACT
Confronting
the
limitation
of
traditional
homogeneous
high‐entropy
alloys
(HEAs)
with
randomly
distributed
elements
and
active
sites,
heterostructured
HEAs
were
developed
to
further
amplify
catalytic
activity
stability.
This
perspective
dissects
genesis
heterogeneity
within
HEAs,
highlighting
how
their
expansive
compositional
space
facilitates
customization
heterogeneity.
By
manipulating
key
factors,
such
as
chemical
affinity,
standard
redox
potentials,
oxidation
potential,
researchers
are
tapping
into
unprecedented
attributes.
Strategies
like
acid
leaching,
galvanic
replacement,
additive
deposition
broadening
structural
repertoire
steering
development
catalysts.
synthesizes
current
discoveries,
introduces
provocative
concepts,
provides
a
roadmap
for
engineering
in
HEA
catalysts,
particularly
harnessing
elevate
efficiency.
The
confluence
theoretical
practical
advancements
is
anticipated
lead
way
evolution
endowing
them
exceptional
capabilities.
