Ultrasonically Activated Liquid Metal Catalysts in Water for Enhanced Hydrogenation Efficiency
Nichayanan Manyuan,
N. Tanimoto,
K. Ueda
и другие.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 17, 2025
Hydride
(H–)
species
on
oxides
have
been
extensively
studied
over
the
past
few
decades
because
of
their
critical
role
in
various
catalytic
processes.
Their
syntheses
require
high
temperatures
and
presence
hydrogen,
which
involves
complex
equipment,
energy
costs,
strict
safety
protocols.
tend
to
decompose
atmospheric
oxygen
water,
reduces
activities.
These
challenges
highlight
need
for
further
research
improve
stability
efficiency
processes
develop
safer
cost-effective
synthesis
methods.
This
paper
introduces
an
ultrasonic
fabrication
method
gallium
hydride
liquid
metal
(LM)
nanoparticles
(Ga–H@LM
NPs)
water
describes
evaluation
properties.
The
Ga–H@LM
NPs
were
synthesized
by
dispersing
metals
eutectic
gallium–indium
using
a
two-step
ultrasonication
process
ice
bath.
Ga–H
was
confirmed
Fourier-transform
infrared
spectroscopy.
demonstrated
rapid
hydrogenation
4-nitrophenol
reductive
degradation
azo
dyes
within
minutes
without
external
reducing
agents
like
NaBH4.
proposed
mechanism
high-energy
cavitation
at
interface
between
LM
promotes
formation
H2
from
its
activation
form
particles
surface
during
ultrasonication.
study
has
significant
implications
advancing
field
catalysis
it
provides
novel
efficient
stable
oxides.
Язык: Английский
Syngas production from the air
Chem Catalysis,
Год журнала:
2025,
Номер
unknown, С. 101254 - 101254
Опубликована: Фев. 1, 2025
Язык: Английский
Microenvironment modulation induced by ethylene-glycol modification enables high activity in selective CO2 electroreduction over lead-based catalysts
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161963 - 161963
Опубликована: Апрель 1, 2025
Язык: Английский
Atomic‐Scale Dynamics at the Interface of Doped Liquid Gallium: Contrasting Effects of Gallium Oxide and Vacuum
Small Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 15, 2025
Liquid
gallium
exhibits
a
unique,
geometrically
structured
surface
that
directly
influences
the
diffusion
and
coalescence
of
metal
solutes
at
its
surface.
The
complex
interplay
between
different
chemical
species
gallium's
unusual
interfacial
properties
remains
poorly
understood,
yet
it
plays
crucial
role
in
controlling
dopant
dynamics,
with
applications
spanning
catalysis,
nanoscale
fabrication,
flexible
electronics,
liquid
batteries.
Herein,
large‐scale
simulations
ab
initio
‐trained
machine
learning
force
fields
reveal
strikingly
interactions
Ag,
Au,
Bi,
Li,
Pt,
Sn
interfaces,
including
both
liquid‐vacuum
liquid‐gallium
oxide
boundaries.
For
example,
Bi
dopants
migrate
strongly
toward
vacuum
interfaces
but
are
repelled
by
interface,
while
Au
is
interfaces.
results
have
direct
implications
for
involving
doped
systems,
optimizing
patterning
plasmonic
catalytic
or
use
Li
More
broadly,
these
findings
underscore
critical
modulating
offering
new
pathways
tuning
functionalities
technologies.
Язык: Английский
Spontaneous Phase Transition and Multistage Interfacial Mechanical Friction of Liquid Metals Induced CO2 Reduction at Room Temperature
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 10, 2024
Abstract
Excessive
emissions
of
carbon
dioxide
(CO
2
)
have
caused
the
greenhouse
effect
and
environmental
crisis.
Therefore,
reduction
negative
technologies
are
particularly
important.
Among
these,
that
convert
CO
into
materials
or
carbon‐based
chemicals
for
reuse
attracted
significant
attention.
However,
strong
double
covalent
bonds
make
conversion
usually
require
harsh
conditions,
complex
processes,
high
energy
consumption.
Gallium‐based
liquid
metals
(LMs)
functional
with
both
metallic
properties,
exhibiting
a
unique
liquid‐phase
structure
diverse
surface
characteristics.
Herein,
strategy
reducing
is
proposed
to
by
utilizing
spontaneous
phase
transition
mechanical
friction
metals.
The
gallium
(Ga)
indium
(In)
particles
mixed
exposed
,
contact
interface
metal
spontaneously
transforms
system
has
multistage
interfaces,
including
Ga/In,
Ga/eGaIn,
In/eGaIn,
capable
generating
triboelectrification
upon
stimulation,
leading
charge
transfer.
electric
field
generated
at
directly
reduces
room
temperature.
cover
eGaIn
can
be
stripped
used
as
fuel,
industrial
applications.
Язык: Английский