ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
15(3), P. 2222 - 2235
Published: Jan. 23, 2025
The
hydrogenolysis
of
cellulose-derived
5-hydroxymethylfurfural
is
essential
for
the
production
fuels
and
chemicals
from
biomass.
Herein,
we
fabricated
a
phosphorus-doped
Pd/P-TiO2
catalyst
hydrodeoxygenation
to
2,5-dimethylfuran.
A
large
number
defects
electron-deficient
Ti4+
sites
(dTi4+)
were
formed
by
doping
phosphorus
into
TiO2
support,
which
could
promote
hydrogen
spillover
reactant
adsorption.
Moreover,
spilled
active
induced
formation
P–O(H)-dTi4+,
acted
as
"Brønsted
acidic
site"
activation
C–O
bonds.
Consequently,
exhibited
superb
activity
2,5-dimethylfuran
at
mild
conditions
150
°C
under
1
MPa
H2.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
The
increasing
accumulation
of
plastic
waste
in
the
environment
poses
a
serious
threat
to
ecosystem
and
health
sector,
urging
us
develop
sustainable
strategies
tackle
this
issue.
Converting
into
platform
chemicals
using
energy
primary
resources
can
mitigate
environmental
pollution
reduce
CO2
emissions.
In
study,
polyolefins
were
transformed
syngas
through
wet
reforming
process
over
nickel-supported
oxygen
vacancy-rich
titanium
dioxide
(Ni/TiO2-x)
catalyst
with
water
as
reactant
under
light
irradiation.
focused
irradiation
readily
increase
temperature
reactor
for
dehydrogenation
degradation
polyethylene
(PE)
occur,
followed
by
PE-derived
compounds
gaseous
hydrocarbons
syngas.
Additionally,
transfer
electrons
from
TiO2-x
nickel
components
facilitates
aforementioned
reactions.
current
work
presents
strategy
valorization
syngas,
serving
feedstock
subsequent
production
various
chemicals.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 26, 2024
Abstract
TiO
2
with
the
merits
of
non‐toxicity,
high
stability,
strong
redox
capability,
and
low
cost,
has
garnered
considerable
attention
in
fields
renewable
energy.
However,
practical
application
is
limited
by
rapid
recombination
photogenerated
electron–hole
pairs,
posing
a
challenge
to
enhance
electron
utilization
without
compromising
catalytic
activity.
Herein,
S‐scheme
@Co(OH)F‐Pt
heterojunction
through
simple
hydrothermal
photo‐deposition
method
constructed.
The
experimental
tests
theoretical
computation
indicate
that
Co(OH)F
possesses
smaller
work
function
more
negative
conduction
band
(CB)
position,
significantly
accelerating
separation
charge
carriers.
Furthermore,
built‐in
electric
field,
bending
between
Co(OH)F,
sink
Pt
nanoparticles,
facilitate
reduction
protons
hydrogen.
as‐prepared
exhibits
high‐performance
solar
hydrogen
evolution
an
rate
1401
µmol
h
−1
.
apparent
quantum
yield
(AQY)
determined
be
22.8%
at
single
wavelength
365
nm.
After
reacting
12
for
three
cycles,
no
noticeable
performance
degradation
occurs,
showing
good
stability
catalyst.
This
provides
rational
strategy
design
photocatalysts
driving
production
new
energy
useful
chemicals.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
15(1), P. 23 - 33
Published: Dec. 12, 2024
Indium–palladium
intermetallic
catalysts
have
shown
great
potential
for
CO2
hydrogenation
to
methanol.
A
deep
understanding
of
the
synergistic
relationship
between
various
components
is
key
developing
efficient
indium–palladium
catalysts.
Here,
we
rationally
designed
a
series
with
In–Pd
ratios
and
found
that
InPd(2:1)/m-ZrO2
demonstrated
highest
reactivity
(5.1
mmol/gcat/h),
maintaining
this
performance
even
after
70
h
stability
testing
at
270
°C
4
MPa.
This
impressive
attributed
formation
stable
compound
chemical
formula
In3Pd2
which
close
In2O3
phase
during
reduction
process.
In
situ
diffuse
reflectance
infrared
Fourier
transform
spectroscopy
(DRIFTS)
density
functional
theory
(DFT)
calculations
were
further
conducted
confirm
formate
path
more
favorable
Adsorption
energy
reactants
determine
roles
In2O3:
tends
adsorb
activate
CO2,
while
has
an
advantage
dissociation
H2,
could
compensate
insufficient
ability
In2O3,
thereby
promoting
reaction
intermediates.
These
findings
highlight
crucial
role
compounds
in
selective
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(3)
Published: Jan. 1, 2025
Abstract
Due
to
the
significant
accumulation
of
plastic
waste
in
environment,
development
mild
and
effective
degradation
technology
is
highly
desirable.
In
this
work,
Ni
clusters
decorated
TiO
2
nanosheets
with
oxygen
vacancies
have
been
made
through
plasma
treatment.
The
photocatalytic
low‐density
polyethylene
(PE)
has
investigated
as‐prepared
catalyst
under
simulated
sunlight
irradiation.
During
photodegradation,
yield
rates
CO
are
14.3
mg
h
−1
g
cat
190
µg
,
respectively,
which
were
4.3
times
2.0
higher
than
those
pristine
non‐treated
catalyst.
related
experimental
results
demonstrate
that
exert
a
synergistic
enhancement
role
for
performance.
present
study
provides
an
avenue
obtain
efficient
economical
catalysts
disinfection
pollutants.
