ChemNanoMat,
Journal Year:
2022,
Volume and Issue:
9(3)
Published: Dec. 16, 2022
Abstract
In
this
contribution,
N‐doped
carbon
nanotubes
were
obtained
through
nitrogen
plasma
treatment
and
used
as
the
anchoring
sites
for
Ru
catalysts
in
one‐pot
cellobiose
conversion
to
hexitols.
XPS
HR
TEM‐EDS
analysis
revealed
a
successful
introduction
of
N
on
CNTs
using
300
min
treatment.
Both
activation
ability
amount
activated
H
2
improved
by
N‐anchored
active
phase,
leading
much‐enhanced
hexitols
yield.
The
yield
reached
91.5%
Ru/CNT−P‐t300
catalyst,
being
substantially
higher
than
those
Ru/AC
(56.84%)
Ru/CNT
(76.84%).
DFT
simulation
results
verified
enhanced
ability.
Eb
value
Ru4
cluster
binds
with
(5,
5)
CNT
N−CNT
was
−4.11
−4.66
eV,
respectively,
suggesting
that
graphitic‐N
engaged
via
strong
interaction.
research
highlights
green
facile
strategy
dope
element
noble
metal
catalyst
improving
capability
broad
hydrogenation
application.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(24), P. 16286 - 16299
Published: Dec. 6, 2023
An
ecofriendly
and
facile
strategy
for
converting
aromatic
alcohols
to
high-value-added
compounds,
especially
acids
nitriles,
is
highly
desirable.
Herein,
atomically
dispersed
Co
species
anchored
on
N-doped
porous
carbon
were
fabricated
by
simple
one-pot
pyrolysis
using
low-cost
precursors.
The
as-obtained
Co/NC
catalyst
with
a
high
loading
of
8.77
wt
%
exhibited
excellent
performance
the
one-step
oxidation
alcohols.
Under
ambient
air
reaction
conditions
addition
KOH
or
NH3·H2O,
successfully
converted
corresponding
respectively.
Experimental
theoretical
studies
confirmed
that
Co–N4
sites
serve
as
primary
active
activation
transformation
aldehydes
crucial
intermediate
pathway.
Density
functional
theory
(DFT)
calculations
revealed
compared
nanoparticle
catalysts,
lower
energy
barrier
aerobic
benzyl
alcohol
benzaldehyde.
Additionally,
prepared
single-atom
displayed
remarkable
recyclability
applicability.
This
study
provides
not
only
potential
constructing
efficient
non-noble
metal
catalysts
but
also
approach
products.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(20)
Published: May 18, 2024
Abstract
The
selective
hydrogenation
of
biomass
derivatives
presents
a
promising
pathway
for
the
production
high‐value
chemicals
and
fuels,
thereby
reducing
reliance
on
traditional
petrochemical
industries.
Recent
strides
in
catalyst
nanostructure
engineering,
achieved
through
tailored
support
properties,
have
significantly
enhanced
performance
upgrading.
A
comprehensive
understanding
upgrading
reactions
current
advancement
supported
catalysts
is
crucial
guiding
future
processes
renewable
biomass.
This
review
aims
to
summarize
development
nanocatalysts
US
DOE′s
platform
compounds
into
valuable
upgraded
molecules.
discussion
includes
an
exploration
reaction
mechanisms
conditions
catalytic
transfer
(CTH)
high‐pressure
hydrogenation.
By
thoroughly
examining
tailoring
supports,
such
as
metal
oxide
porous
materials,
nano‐supported
catalysts,
we
elucidate
promoting
role
engineering
endeavor
seeks
establish
robust
theoretical
foundation
fabrication
highly
efficient
catalysts.
Furthermore,
proposes
prospects
field
utilization
address
application
bottlenecks
industrial
challenges
associated
with
large‐scale