Chemistry - An Asian Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 31, 2024
The
reusable
and
separable
surface
frustrated
Lewis
pairs
(SFLPs)
open
up
a
novel
approach
to
efficient
small-molecule
activation
conversion
in
heterogeneous
catalysis.
However,
SFLPs
have
only
been
reported
on
limited
systems
due
the
difficulty
design
synthesis
process.
inherent
various
solid
materials
offer
promising
opportunities
for
finding
natural
SFLPs,
providing
straightforward
strategy
overcome
current
limitations.
In
this
concept,
we
retrospect
concept
of
proposed
wurtzite
crystal
surfaces
identify
other
that
probably
exist
materials,
including
reduced
oxide
surfaces,
corrugated
graphene,
perovskite
quantum
dots.
Having
focused
reactivity
activation,
discuss
challenges,
propose
possible
research
directions,
highlight
potential
applications
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 7, 2025
Biomass
valorization
is
a
way
to
promote
the
'waste-to-wealth'
concept,
which
pre-requisite
condition
for
future
sustainable
lifestyle.
The
direct
utilization
of
natural
polymer
value-added
materials
should
be
prioritized.
With
this
object,
we
demonstrate
facile
and
economical
method
prepare
chitin-derived
supramolecular
nanowires-stabilized
single-atom
sites
Pt
catalysts
(SS-Pt-CSNs).
A
comprehensive
characterization
shows
structure
coordinated
with
organic
(ligand-type)
entity,
both
flexible
(like
in
homogenous
catalyst)
robust
heterogenous
catalyst).
Such
hybrid
characteristics
these
SS-Pt-CSNs
exhibit
excellent
catalytic
performance
chemo-selective
hydrogenation
various
unsaturated
bonds
selectivity
more
than
90:1
high
turnover
number
(TON)
121,350.
Mechanistic
studies
that
empty
coordination
dynamic
B-doping
are
key
factors
exceptional
efficiency
selectivity.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Abstract
To
address
safety
and
economic
issues
in
hydrogen
storage
transportation,
developing
liquid
organic
carriers
to
deliver
where
it
can
be
utilized
for
situ
production
is
an
attractive
approach.
Herein,
a
spinel
phase
high‐entropy
oxide
(HEO)
(FeCrCoNiCu)
3
O
4
comprising
of
non‐noble
metals
synthesized
via
the
PVP
(Polyvinyl
Pyrrolidone)‐templated
method
as
catalyst
solar‐driven
through
methanol
decomposition.
Benefiting
from
synergistic
effects
various
components
materials,
HEO
achieves
optimized
rate
49.4
mmol
g
−1
min
,
with
surface
temperature
279
°C
under
full‐spectrum
illumination
2.68
W
cm
−2
.
The
performance
significantly
higher
than
that
thermocatalytic
conditions
at
same
surpasses
activity
state‐of‐the‐art
catalysts.
exhibits
long‐term
stability
over
80
h
removing
deposited
carbon,
thus
HEOs
show
great
promise
efficient
decomposition
mild
conditions.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Frustrated
Lewis
pairs
(FLPs)
present
new
opportunities
for
the
development
of
highly
active
spinel
materials
activation
stable
molecules.
Herein,
a
Ni
and
Co‐based
with
abundant
FLPs
sites
(NiCo
2
O
4
‐F)
is
synthesized
through
morphologic
defect
engineering
used
efficient
catalytic
ozonation
CH
3
SH
elimination.
Characterization
results
reveal
that
NiCo
‐F
nanoflower
structure
exposes
more
surface
oxygen
vacancies
(Ov),
inducing
local
charge
redistribution
forming
regions.
Ov
acts
as
basic
sites,
while
unsaturated
coordinated
atoms
(Ni
uc
)
act
acidic
spatially
≈4.08
Å.
The
Ov···Ni
function
“electron
shuttles”
in
reaction,
facilitating
specific
adsorption
reactants
via
dual
acidic–basic
reaction
thereby
activating
to
generate
·O
−
1
species
achieve
deep
oxidation
SH.
resulting
catalyst
exhibits
an
outstanding
removal
efficiency
94.4%,
achieving
high
mass
activity
(5.6
ppm
mg
−1
),
which
70
times
greater
than
commercial
MnO
(0.08
).
This
work
presents
promising
approach
developing
sophisticated
ozone
catalysts
by
controllable
construction
acid–base
on
surface,
enhancing
understanding
role
molecular
activation.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(9), P. 11453 - 11466
Published: Feb. 26, 2024
The
development
of
highly
active
acid–base
catalysts
for
transfer
hydrogenations
biomass
derived
carbonyl
compounds
is
a
pressing
challenge.
Solid
frustrated
Lewis
pairs
(FLP)
catalysis
possibly
solution,
but
the
this
concept
still
at
very
early
stage.
Herein,
stable,
phase-pure,
crystalline
hydrotalcite-like
were
synthesized
by
incorporating
cerium
cations
into
layered
double
hydroxide
(MgAlCe-LDH).
Besides
insertion
well-isolated
centers
surrounded
hydroxyl
groups,
formation
vacancies
near
aluminum
centers,
which
formed
hydroxides
(LDH)
lattice,
was
also
identified.
Depending
on
initial
concentration,
LDHs
with
different
Ce(III)/Ce(IV)
ratios
produced,
had
acidic
and
basic
characters,
respectively.
However,
character
these
related
to
actual
molar
ratios,
resulting
in
significant
differences
their
catalytic
performance.
as-prepared
structures
enabled
varying
degrees
hydrogenation
(Meerwein–Ponndorf–Verley
MPV
reduction)
biomass-derived
corresponding
alcohols
without
collapse
original
lamellar
structure
LDH.
markers
through
test
reactions
changed
as
function
amount
Ce(III)
indicating
role
Ce(III)–OH
units.
cooperative
interplay
between
sites
Ce(III)-containing
specimens
necessary
maximize
efficiency,
pointing
out
that
Ce-containing
LDH
potentially
commercial
solid
FLP
catalysts.
Furthermore,
crucial
surface
groups
negative
impact
interlamellar
water
molecules
activity
MgAlCe-LDH
demonstrated.
These
FLP-like
exhibited
excellent
performance
(cyclohexanol
yield
45%;
furfuryl
alcohol
51%),
competitive
benchmark
Sn-
Zr-containing
zeolite
catalysts,
under
mild
reaction
conditions,
especially
low
temperature
(T
=
65
°C).
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(36), P. 24237 - 24247
Published: Jan. 1, 2024
Metal-cation
vacancies
in
CoAl-LDH
nanosheets
prepared
by
simple
etching
facilitate
abundant
surface
oxygen
vacancies.
They
promote
the
formation
of
frustrated
Lewis
pairs,
which
enhance
electrocatalytic
NO
reduction
to
NH
3
.
