Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 30, 2025
Constructing
crystalline@amorphous
heterostructures
allows
nanomaterials
to
maintain
high
electrical
conductivity
of
crystalline
structures
while
acquiring
abundant
active
sites
from
amorphous
structure.
This
emerging
strategy
has
attracted
considerable
attention
in
electrochemical
and
photoelectrochemistry
applications.
However,
achieving
based
on
palladium
(Pd)
remains
challenging
due
the
difficulties
balancing
transformation
between
these
two
phases.
Here,
a
feasible
is
developed
manufacture
Pd-based
core-shell
through
non-metallic
element
doping.
The
obtained
exhibit
outstanding
catalytic
performance
for
formic
acid
oxidation
(FAO)
with
mass
activity
up
2.503
A
mg-1
Pd.
Detailed
theoretical
experimental
analyses
reveal
that
construction
increase
surface
sites,
lowers
energy
barrier,
enhances
selectivity
direct
pathway,
thereby
effectively
facilitating
FAO
process.
work
demonstrates
feasibility
constructing
efficient
catalysts
using
provides
new
platform
platinum-group
metals
(PGMs)
crystalline-amorphous
heterostructures.
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(12), P. 3585 - 3595
Published: Jan. 1, 2024
The
crystalline/amorphous
composite
strategy
proposed
in
this
work
presents
a
new
concept
for
the
rational
design
of
FeCo
alloy-based
bifunctional
electrocatalysts
efficient
overall
water
splitting.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(40)
Published: July 25, 2024
Abstract
In
the
past
decades,
rapid
depletion
of
non‐renewable
energy
sources
has
caused
growing
crisis
and
increasing
emissions
carbon
dioxide
(CO
2
),
which
aggravates
global
warming
catastrophic
climate
change.
Electrocatalysis
is
regarded
as
an
effective
method
for
consuming
atmospheric
CO
simultaneously
alleviating
problem
by
converting
into
high
value‐added
chemicals.
Amorphous
nanomaterials
with
long‐range
disordered
structures
possess
abundant
highly
unsaturated
atomic
sites
dangling
bonds
on
their
surfaces,
thus
providing
a
large
number
active
sites,
show
unique
electronic
compared
to
crystalline
counterparts
due
distinct
arrangements.
Therefore,
amorphous
are
recently
demonstrated
efficient
catalysts
diverse
electrocatalytic
reactions,
including
reduction
reaction
RR).
Here
rational
synthesis
performance
newly
emerging
will
be
outlined
RR.
Importantly,
intrinsic
merits
these
in
RR
processes
summarized
highlighted.
Finally,
perspectives
remaining
challenges
some
potential
future
directions
this
field
also
provided.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 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.
ACS Applied Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
Metal–organic
assemblies
(MOAs),
with
multiple
active
sites
and
well-defined
lithium
transport
pathways,
are
considered
ideal
electrode
materials
for
lithium-ion
batteries.
However,
their
further
development
is
impeded
by
poor
structural
stability
limited
electronic
conductivity.
In
this
study,
two
isostructural
one-dimensional
MOAs,
namely,
[M(pyzdc)(H2O)2]n
(M-1D,
M
=
Co
Ni;
H2pyzdc
pyrazine-2,3-dicarboxylic
acid)
were
synthesized
storage.
The
chain
structure
formed
hydrogen
bond
interactions
constitutes
a
three-dimensional
supramolecular
architecture.
This
unique
network
not
only
enhances
but
also
facilitates
efficient
electron
transfer.
When
tested
as
anode
materials,
Co-1D
Ni-1D
exhibited
reversible
capacities
of
1003.3
841.3
mAh
g–1
at
100
mA
after
cycles,
respectively.
Theoretical
calculations
kinetic
analyses
have
elucidated
the
impact
configuration
on
adsorption
diffusion
in
these
highlighting
intricate
relationship
between
MOAs
storage
behavior.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
Sodium‐ion
batteries
(SIBs),
recognized
for
their
abundant
resource
availability,
are
emerging
as
a
viable
alternative
to
conventional
batteries.
Nevertheless,
sluggish
electrons/ions
kinetics
impedes
further
advancement
in
SIBs
technology.
Herein,
novel
microcrystalline‐MoSe
2
/amorphous‐MoSe
x
O
y
(C‐MoSe
/A‐MoSe
)
is
developed
through
situ
low‐temperature
oxidation
of
crystalline
MoSe
.
The
microcrystalline
acts
robust
framework,
while
the
amorphous
phase
fills
interstitial
spaces.
This
anode
material
characterized
by
an
optimized
microcrystalline‐amorphous
heterointerface.
resultant
charge
self‐regulation
effect
can
be
exploited
modulate
active
electron
states,
thereby
ensuring
high‐speed
and
stable
sodium
storage
performance.
heterointerface
demonstrates
ultrahigh
specific
capacity
(641.0
mAh
g
−1
at
0.5
A
maintains
splendid
rate
performances
up
100
(324.2
).
Detailed
theoretical
experimental
researches
indicate
that
enhanced
performance
results
from
production
electronic
which
initiated
C‐MoSe
,
featuring
Mo─Se
bonds,
regulates
interfacial
redistribution
facilitate
transfer
across
interface
between
phases.
findings
suggest
effect,
prompted
network,
inherently
accelerates
electron/ion
transport,
offering
promising
electrode
design
strategy
fast‐charging
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
Shear
bands
dictate
the
failure
mechanisms
of
alloys
across
various
strain
rates
and
limits
damage
tolerance
alloy.
While
localized
amorphization
has
potential
to
mitigate
shear
effects,
it
thus
far
been
confined
nanoscale.
Here,
we
extend
micrometer
scale,
fundamentally
replacing
shear-dominated
in
multi-principal
element
alloy
micropillars.
Instead
applying
a
single
rate,
implement
continuous
compression
training
from
low
high
rates,
generating
top-down
high-density
dislocation
gradient
that
drives
formation
topological
lattice
disorder
network,
extending
over
one-third
micropillar
height
(hyper-range
amorphization).
Within
amorphous
bands,
atoms
exhibit
dynamic
disorder,
rearranges
recovers
dissipating
stress.
The
achieves
an
ultimate
compressive
strength
ceramic
level
(~6.5
GPa),
while
maintaining
~59.1%
plasticity.
This
work
reveals
engineering-based
mechanical
mechanism
for
amorphization,
establishing
as
viable
pathway
enhancing
structural
stability
energy
dissipation
capacity
alloys.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
With
the
expanding
adoption
of
large‐scale
energy
storage
systems
and
electrical
devices,
batteries
supercapacitors
are
encountering
growing
demands
challenges
related
to
their
capability.
Amorphous/crystalline
heterostructured
nanomaterials
(AC‐HNMs)
have
emerged
as
promising
electrode
materials
address
these
needs.
AC‐HNMs
leverage
synergistic
interactions
between
amorphous
crystalline
phases,
along
with
abundant
interface
effects,
which
enhance
capacity
output
accelerate
mass
charge
transfer
dynamics
in
electrochemical
(EES)
devices.
Motivated
by
elements,
this
review
provides
a
comprehensive
overview
synthesis
strategies
advanced
EES
applications
explored
current
research
on
AC‐HNMs.
It
begins
summary
various
Diverse
devices
AC‐HNMs,
such
metal‐ion
batteries,
metal–air
lithium–sulfur
supercapacitors,
thoroughly
elucidated,
particular
focus
underlying
structure–activity
relationship
among
amorphous/crystalline
heterostructure,
performance,
mechanism.
Finally,
perspectives
for
proposed
offer
insights
that
may
guide
continued
development
optimization.
