T
he
dynamic
evolution
of
catalyst
structures
during
the
electrocatalytic
reaction
has
seriously
hindered
our
comprehensive
understanding
catalytic
processes
and
pathways.
In
this
work,
we
report
that
metal-sulfide
(ReS2/Co9S8)
heterostructure
multiple
synergistic
effects,
enhancing
furfural
oxidation
(FOR)
coupling
with
hydrogen
(HER).
Under
cathodic
reduction
conditions,
H2
production
can
be
promoted
at
specific
active
sites
by
original
ReS2/Co9S8.
anodic
a
new
heterointerface
ReS2/Co9S8-Co(OH)2
is
in-situ
reconstructed
based
on
ReS2/Co9S8
heterostructure.
The
Co9S8-Co(OH)2
induced
significantly
enhances
FOR
performance
in
an
indirect
way
1.33-1.53
VRHE,
resulting
86.3%
faradaic
efficiency
(FE).
optimized
composite
different
molar
ratios
two-electrode
system
exhibits
superior
toward
HER||FOR,
achieving
smaller
cell
voltage
1.43
V
to
reach
10
mA
cm–2
compared
ReS2||Co9S8
(1.69
V).
This
work
verifies
for
identifies
distinct
mechanisms
HER.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(26), P. 9568 - 9590
Published: June 18, 2024
Green
chemistry
and
sustainable
development
are
becoming
increasingly
indispensable
for
finding
solutions
to
climate
change,
organizing
a
local
circular
economy,
ensuring
energy
security,
promoting
autonomy
based
on
biosourced
raw
materials.
Lignocellulosic
biomass
is
one
of
the
essential
materials
produce
biofuels
chemicals
that
can
partially
replace
fossil
resources.
The
conversion
technologies
these
products
growing
rapidly.
Furfural
plays
major
role
as
an
industrial
product
derived
from
this
renewable
material,
sparking
interest
in
efficiently
cleanly
transforming
it.
In
review,
we
present
oxidation
transformation
methods
furfural
into
resulting
molecules
such
furanones,
C4
acids,
furoic
acid.
This
done
different
metallic
metal-free
catalytic
systems
allow
readers
compare
their
advantages
disadvantages
perspective
development.
Gels,
Journal Year:
2024,
Volume and Issue:
10(2), P. 129 - 129
Published: Feb. 5, 2024
Ti-aluminosilicate
gels
were
used
as
supports
for
the
immobilization
of
Fe,
Co,
and
Ni
oxides
(5%)
by
impregnation
synthesis
efficient
photocatalysts
degradation
β-lactam
antibiotics
from
water.
Titanium
oxide
(1
2%)
was
incorporated
into
zeolite
network
modifying
gel
during
zeolitization
process.
The
formation
Y
structure
its
microporous
evidenced
X-ray
diffraction
N2
physisorption.
structure,
composition,
reduction,
optical
properties
studied
diffraction,
H2-TPR,
XPS,
Raman,
photoluminescence,
UV–Vis
spectroscopy.
obtained
results
indicated
a
all
with
tetracoordinated
Ti4+
sites.
second
transitional
metals
supported
post-synthesis
method
in
various
forms,
such
and/or
metallic
state.
A
red
shift
absorption
edge
observed
spectra
upon
addition
or
species.
photocatalytic
performances
evaluated
cefuroxime
water
under
visible
light
irradiation.
best
iron-immobilized
photocatalysts.
Scavenger
experiments
explained
their
mechanisms.
different
contribution
active
species
to
reactions
evidenced.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
Design
engineering
for
the
preparation
of
green
and
inexpensive
catalysts
assisted
by
lignocellulosic
biomass
or
biomass‐based
derivatives
has
garnered
significant
attention.
Herein,
alkali
lignin
(AL)
is
utilized
as
a
carbon
precursor
to
prepare
porous
coral‐like
g‐C
3
N
4
(x%
PLCN)
with
nitrogen
defects
biochar
persistent
free
radicals
(biochar‐PFRs).
This
catalyst
applied
photo‐thermal
catalysis
HMF
produce
maleic
acid
(MA).
The
optimal
yield
MA
(50.43%)
achieved
using
1.5%
PLCN
in
GVL/FAc
(1:1,
V/V)
solution
at
90
°C
h
under
visible
light
irradiation.
Results
show
plays
key
role
forming
components
introducing
into
catalysts,
which
significantly
boosts
H
2
O
generation
(156.68
µmol
L
−1
).
Under
photocatalytic
conditions,
biochar‐PFRs
induce
·OH
through
metal‐free
Fenton‐like
reaction
provide
active
sites
recombination
·O
−
form
1
.
presence
greatly
enhances
selective
MA.
Additionally,
increased
Lewis
acidity
x%
activates
C─C
bond
thermal
catalytic
further
facilitating
conversion.
work
presents
new
approach
material
refinement
thermal‐photo
catalysis.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
26(1), P. 498 - 506
Published: Nov. 30, 2023
MFI
confined
Cu
zeolites
ZKD-5
were
synthesized
and
employed
in
the
selective
hydrogenation
of
levulinic
acid.
The
synergistic
catalysis
on
different
active
sites
was
realized
this
catalyst,
mechanism
studied.
