Strategies for the preparation of MOFs-based composites and their research progress in electrocatalysis
Microporous and Mesoporous Materials,
Год журнала:
2025,
Номер
unknown, С. 113560 - 113560
Опубликована: Фев. 1, 2025
Язык: Английский
Recent advance in metal-organic frameworks based catalysts for production of fine chemicals via thermal catalysis
Molecular Catalysis,
Год журнала:
2025,
Номер
573, С. 114811 - 114811
Опубликована: Янв. 7, 2025
Язык: Английский
Heterogeneous Mn@CeO2 Catalyst for α-Alkylation of Ketones with Alcohols via Hydrogen-Borrowing Strategy
Rajagopal Swaathy,
S. Karthikeyan
ACS Omega,
Год журнала:
2025,
Номер
10(9), С. 9649 - 9660
Опубликована: Фев. 24, 2025
Construction
of
a
C-C
bond
via
alkylation
ketones
with
alcohol
as
the
alkylating
source
by
employing
hydrogen-borrowing
strategy
is
attracting
significant
attention
and
highly
appealing
due
to
its
simplicity,
cost-effectiveness,
environmental
benefits,
fact
that
water
only
byproduct.
The
development
heterogeneous
catalysts
based
on
nonprecious
base
metals
progressing
rapidly.
Our
newly
disclosed
manganese-doped
cerium
oxide
nanocomposite
(10
wt
%
Mn@CeO2)
stands
out
cost-efficient
air-stable
catalyst,
synthesized
through
straightforward
coprecipitation
method
employed
for
α-alkylation
primary
alcohols
strategy.
X-ray
diffraction
(XRD)
analysis
confirms
high
crystallinity
CeO2,
while
field
emission
scanning
electron
microscopy
(FE-SEM)
high-resolution
transmission
(HR-TEM)
images
reveal
MnO2
nanoparticles,
measuring
19
nm
in
size,
uniformly
decorated
rod-shaped
CeO2
which
have
size
33
nm.
photoelectron
spectroscopy
(XPS)
uncovers
presence
Mn4+
species
embedded
nanorods.
Electron
paramagnetic
resonance
(EPR)
further
indicates
surface
defects
contribute
impressive
catalytic
yield,
ranges
from
70
98%
α-alkylated
ketones.
Thermogravimetric
(TGA)
demonstrates
remarkable
thermal
stability
maintaining
up
800
°C.
Additionally,
inductively
coupled
plasma
mass
spectrometry
(ICP-MS)
no
leaching
Mn
ions,
emphasizing
heterogeneity
catalyst.
Remarkably,
10
Mn@CeO2
recycled
six
cycles
loss
activity.
This
study
underscores
synergistic
effect
between
metal
redox
pair
key
exceptional
activity
reactions,
making
promising
catalyst
sustainable
efficient
formation.
Язык: Английский
Electrochemistry of ruthenium solid-state surface: fabrication and application
Electrochemistry,
Год журнала:
2024,
Номер
unknown, С. 136 - 173
Опубликована: Ноя. 27, 2024
The
requirement
for
energy,
stokehole
chemicals,
quality
controls,
monitoring
public
health,
and
environmental
pollution
encouraged
the
investigation
rate
to
develop
compounds
with
distinctive
properties
special
applications.
Researchers
have
proven
that
ruthenium
(Ru)
solid-state
substances
possess
potential
characteristics
such
as
conductivity,
stability,
catalytic
activity,
ability
integrate
many
other
compounds.
Intensive
research
has
led
progression
of
novel
technologies,
these
nanomaterials
demonstrated
their
enormous
in
various
industries,
especially
field
chemical
industrial
catalysts.
Ru
surfaces
demonstrate
high
effectiveness
efficiency
catalyzing
large
numbers
reactions.
recent
trend
involves
nanoparticles,
graphene,
gold,
bimetallic
alloys.
critical
enhancements
were
stability
improving
active
site
numbers.
based
electronic
devices
capacitors
show
excellent
performance
terms
current
density
charge/discharge
recycling
ability.
Also,
most
progress
Ru-complexes
base
electromigrated
chemiluminescent
sensor
unlimited
its
analytical
gradually,
researchers
enabled
creation
surface
sensors
an
number
analytes.
In
this
chapter,
electrochemistry
applications
attractive
fields
are
explored,
is
synthesis
properties.
Язык: Английский