ACS Applied Nano Materials,
Journal Year:
2022,
Volume and Issue:
5(7), P. 9810 - 9817
Published: July 5, 2022
Pt-based
high-entropy
alloys
(HEA)
enable
high-performance
electrocatalysts
with
a
low
Pt
content.
However,
the
current
synthesis
methods
of
HEAs
suffer
from
complex
processes,
such
as
high
temperatures
or
special
manufacturing
processes.
In
this
work,
bottom-up
shear-assisted
liquid
metal
surface
reduction
strategy
is
introduced
for
sub-2
nm
ultrasmall
HEA
nanoparticles
(NPs)
at
room
temperature.
To
prove
its
utility,
Co–Fe–Ni–Pt–Ta–vxc72
was
found
to
exhibit
excellent
electrocatalytic
activity
and
stability
both
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
overpotentials
10.6
290
mV
10
mA/cm2,
respectively.
At
same
time,
in
reactions,
can
reach
20
h
according
chronoamperometry.
We
expect
that
many
nano-HEAs
will
be
synthesized
by
our
method
used
other
related
applications
future.
Small Structures,
Journal Year:
2022,
Volume and Issue:
4(6)
Published: Sept. 16, 2022
The
2D
nanosheets
of
metal–organic
frameworks
(MOFs)
have
recently
emerged
as
a
promising
material
that
makes
them
valuable
in
widespread
electrocatalytic
fields
due
to
their
atomic‐level
thickness,
abundant
active
sites,
and
large
surface
area.
Efficient
electrocatalysts
for
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
overall
water
splitting
are
highly
desired
with
low
overpotentials
promote
the
industrial
applications
energy
conversion
devices.
MOF
nanostructures
provide
long‐term
stability
high
electrical
conductivity
enhance
catalyst
activity
durability.
This
review
briefly
summarizes
synthesis
HER/OER/water
splitting.
More
attention
is
focused
on
synthetic
strategies
derivatives.
catalytic
performance
superior
properties
these
materials
highlighted.
outperformance
originates
from
rational
design,
myriad
thickness.
current
future
challenges
this
field
scientific
perspectives
overcome
It
suggested
construction
can
develop
state‐of‐the‐art
electrocatalyst
environmental
division.
Dalton Transactions,
Journal Year:
2021,
Volume and Issue:
50(33), P. 11331 - 11346
Published: Jan. 1, 2021
Recent
progress
on
2D
conductive
MOFs
and
layered
containing
pillar-layered
nanosheets
as
electrode
materials
in
SCs
is
reviewed,
including
synthetic
design
strategies,
electrochemical
performances,
working
mechanisms.
Carbon Energy,
Journal Year:
2022,
Volume and Issue:
5(2)
Published: Sept. 26, 2022
Abstract
The
establishment
of
efficient
oxygen
evolution
electrocatalysts
is
great
value
but
also
challenging.
Herein,
a
durable
metal–organic
framework
(MOF)
with
minor
atomically
dispersed
ruthenium
and
an
optimized
electronic
structure
constructed
as
electrocatalyst.
Significantly,
the
obtained
NiRu
0.08
‐MOF
doping
Ru
only
needs
overpotential
187
mV
at
10
mA
cm
−2
Tafel
slop
40
dec
−1
in
0.1
M
KOH
for
reaction,
can
work
continuously
more
than
300
h.
Ultrahigh
mass
activity
achieved,
reaching
56.7
A
g
200
mV,
which
36
times
higher
that
commercial
RuO
2
.
X‐ray
adsorption
spectroscopy
density
function
theory
calculations
reveal
on
metal
sites
MOFs
expected
to
optimize
nickel
sites,
thus
improving
conductivity
catalyst
optimizing
energy
intermediates,
resulting
significant
optimization
electrocatalytic
performance.
This
study
could
provide
new
avenue
design
stable
MOF
electrocatalysts.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Dec. 1, 2022
The
sustainable
production
of
green
hydrogen
via
water
electrolysis
necessitates
cost-effective
electrocatalysts.
By
following
the
circular
economy
principle,
utilization
waste-derived
catalysts
significantly
promotes
development
energy.
Currently,
diverse
have
exhibited
excellent
catalytic
performance
toward
evolution
reaction
(HER),
oxygen
(OER),
and
overall
(OWE).
Herein,
we
systematically
examine
recent
achievements
in
electrocatalysts
for
electrolysis.
general
principles
design
efficient
are
discussed,
followed
by
illustration
current
strategies
transforming
wastes
into
Then,
applications
(i.e.,
carbon-based
catalysts,
transitional
metal-based
heterostructure
catalysts)
HER,
OER,
OWE
reviewed
successively.
An
emphasis
is
put
on
correlating
catalysts'
structure-performance
relationship.
Also,
challenges
research
directions
this
booming
field
finally
highlighted.
This
review
would
provide
useful
insights
design,
synthesis,
electrocatalysts,
thus
accelerate
economy-driven
energy
scheme.
Inorganic Chemistry,
Journal Year:
2021,
Volume and Issue:
60(13), P. 9700 - 9708
Published: June 13, 2021
A
new
metal–organic
framework
(MOF),
[Zn4(μ4-O)(μ6-L)2(H2O)2]n·nDMF
(ZSTU-10),
was
assembled
from
zinc(II)
nitrate
and
N,N′,N″-bis(4-carboxylate)trimesicamide
linkers
fully
characterized.
Its
crystal
structure
discloses
an
intricate
two-fold
3D+3D
interpenetrated
MOF
driven
by
the
[Zn4(μ4-O)]-based
tetragonal
secondary
building
units
C3-symmetric
tris-amide-tricarboxylate
(μ6-L3–).
Topological
analysis
of
ZSTU-10
reveals
two
3,6-connected
nets
with
rtl
(rutile)
topology.
Z-Scan
at
532
nm
conducted
to
study
a
nonlinear
optical
(NLO)
behavior
ZSTU-10.
The
responses
were
explored
under
various
laser
intensities,
revealing
notable
third-order
NLO
properties
in
visible
region.
large
two-photon
absorption
lower
incident
intensities
highlights
fact
that
can
be
applied
limiting
devices
as
well
modulators.
Moreover,
refractive
index
(n2)
is
indicative
self-defocusing
behavior.
This
work
thus
expands
family
novel
materials
remarkable
properties.
