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.
New Journal of Chemistry,
Journal Year:
2022,
Volume and Issue:
46(19), P. 9440 - 9450
Published: Jan. 1, 2022
Two
MOFs
were
assembled,
characterized
and
investigated
in
detail
as
efficient
adsorbents
for
removal
of
the
metronidazole
antibiotic.
Adsorption
isotherms
kinetic
features
also
studied.
Nano Materials Science,
Journal Year:
2022,
Volume and Issue:
5(2), P. 161 - 176
Published: Feb. 13, 2022
Integrated
electrocatalysts
(IECs)
containing
well-defined
functional
materials
directly
grown
on
the
current
collector
have
sparked
increasing
interest
in
fields
of
electrocatalysis
owing
to
efficient
activity,
high
stability
and
fact
that
they
are
easily
assembled
into
devices.
Recently,
metal
organic
frameworks
(MOFs)
provide
a
promising
platform
for
constructing
advanced
IECs
because
their
properties
low
cost,
large
surface
area
structural
tunability.
In
this
review,
design
principles
state-of-the-art
based
MOFs
presented,
including
by
hydrothermal/solvothermal,
template-directed,
electrospinning,
electrodeposition
other
methods.
The
performance
MOF-derived
has
also
been
demonstrated
electrocatalytic
gas-involved
reactions.
This
is
green
energy
storage
conversion.
structure-activity
relationship
improvement
mechanism
uncovered
discussing
some
situ
technologies
IECs.
Finally,
we
an
outlook
challenges
prospects
booming
field.
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.
