Green Energy & Environment,
Год журнала:
2023,
Номер
9(7), С. 1079 - 1084
Опубликована: Дек. 27, 2023
Plasmon-induced
hot-electron
transfer
from
metal
nanostructures
is
being
intensely
pursed
in
current
photocatalytic
research,
however
it
remains
elusive
whether
molecular-like
clusters
with
excitonic
behavior
can
be
used
as
light-harvesting
materials
solar
energy
utilization
such
methanol
steam
reforming.
In
this
work,
we
report
an
atomically
precise
Cu13
cluster
protected
by
dual
ligands
of
thiolate
and
phosphine
that
viewed
the
assembly
one
top
Cu
atom
three
Cu4
tetrahedra.
The
Cu13H10(SR)3(PR'3)7
(SR
=
2,4-dichlorobenzenethiol,
PR'3
P(4-FC6H4)3)
give
rise
to
highly
efficient
light-driven
activity
for
reforming
toward
H2
production.
ACS Catalysis,
Год журнала:
2024,
Номер
14(6), С. 4211 - 4248
Опубликована: Март 5, 2024
Catalytic
transfer
hydrogenation
(CTH)
methodology
has
drawn
profound
attention
of
researchers
as
an
economical
and
environmentally
benign
alternate
to
conventional
method.
Unlike
method,
CTH
exhibits
better
reaction
efficiency
atom
economy,
it
makes
use
simple,
easily
accessible,
low-cost
hydrogen
sources.
Current
research
on
reactions
is
oriented
toward
the
development
non-noble-metal-based
catalysts
due
their
high
abundance
potential
large-scale
applicability.
In
this
Review,
different
organic
transformation
reactions,
such
nitroarenes,
nitriles,
alkenes,
alkynes,
carbonyl
compounds,
hydrogenolysis,
reductive
amination,
formylation
using
sources
have
been
summarized
comprehensively.
addition,
synthesis
strategies
heterogeneous
structure–activity
relationship
involving
metal–support
interaction,
single-atom
catalysis,
synergistic
effect
are
highlighted.
Furthermore,
optimization
parameters─such
temperature,
time,
solvents,
additives─for
enhancing
catalytic
activity
selectivity
product
discussed
in
detail.
This
Review
provides
detailed
insights
into
recent
progress
made
with
a
specific
focus
catalyst
development,
sources,
mechanistic
exploration.
Organic & Biomolecular Chemistry,
Год журнала:
2023,
Номер
21(17), С. 3477 - 3502
Опубликована: Янв. 1, 2023
This
review
article
presents
an
in-depth
analysis
of
the
strategies
and
methodologies
for
using
chiral
phosphoric
acids
as
organocatalysts
in
asymmetric
syntheses
from
recent
literature.
Abstract
The
rational
design
of
efficient
bimetallic
nanoparticle
(NP)
catalysts
is
challenging
due
to
the
lack
theoretical
understanding
active
components
and
insights
into
mechanisms
a
specific
reaction.
Here,
we
report
nanoreactors
comprising
hollow
carbon
sphere‐confined
PtNi
NPs
(PtNi@HCS)
as
highly
for
hydrogen
generation
via
ammonia
borane
hydrolysis
in
water.
Using
both
density
functional
theory
calculations
molecular
dynamics
simulations,
effects
an
combination
critical
synergistic
role
shell
on
molecule
diffusion
adsorption
behaviors
are
explored.
Kinetic
isotope
allow
clarification
mechanism,
with
oxidative
addition
O–H
bond
water
catalyst
surface
being
rate‐determining
step.
remarkable
catalytic
activity
PtNi@HCS
nanoreactor
was
also
utilized
successful
tandem
hydrogenation
reactions,
using
situ‐generated
H
2
from
high
efficiency.
concerted
design,
calculations,
experimental
work
presented
here
shed
light
elaboration
nanocatalysts
contribute
establishment
circular
economy
green
hydrogen.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Borenium
ions
have
attracted
significant
attention
in
organic
transformations
due
to
their
strong
Lewis
acidity.
The
reported
borenium
are
often
stabilized
by
sterically
demanding
substituents
and
coordination
bonds.
Herein,
we
synthesized
a
small
steric
borenium-equivalent
NH3BH2OTf
subjected
it
the
exhaustive
reduction
of
carboxylic
functional
group
methyl
group,
which
shows
broad
tolerance.
This
system
can
also
undergo
reductive
deoxygenation
reaction
alcohols,
ethers,
other
oxo-chemicals
(>100
examples).
mechanistic
studies
revealed
that
situ-generated
NH3BH2OTf/[NH3BH2(sol)]OTf,
rendering
borenium-like
properties,
plays
crucial
role
these
interacting
with
O
atom
substrates
activate
carbonyl
facilitating
cleavage
C–O
bond.
work
has
not
only
offered
for
but
is
great
significance
providing
insight
into
application
various
reactions.
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
Abstract
Transition
metal‐catalyzed
transfer
hydrogenation
(TH)
with
in
situ
negative
hydrogen
(H
−
)
has
received
extensive
attention
as
an
alternative
to
conventional
high‐pressure
processes.
However,
the
insufficient
activity
of
production
and
unclear
conversion
process
remain
a
great
challenge.
In
this
work,
brand
new
bimetallic
ternary‐structured
catalysts
(Ru
1+n
M
1
‐TiO
2
,
M=Co,
Cu,
Fe,
Ni)
were
synthesized
efficiently
generate
H
donors
from
ammonia
borane
(AB,
NH
3
BH
for
nitrobenzene
under
moderate
conditions.
The
Ru
Co
exhibited
highest
form
AB
hydrolysis
TOF
value
2716
min
−1
.
achieved
>90
%
yields
within
3–4
hours
converting
anilines
using
AB.
Mechanistic
studies
revealed
that
high
was
due
SA
sites
bimetallic‐ternary‐structured
catalyst
required
lowest
energy
activation
O,
respectively.
Remarkably,
clusters
obvious
synergistic
effect
TH
process,
which
promoted
tandem
nitroaromatics.
This
work
demonstrated
efficient
approach
donor
further
provided
inspiration
on
development
multifunctional
catalysts.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Photocatalytic
nitroarene
reduction
provides
a
promising
strategy
for
the
sustainable
production
of
aniline.
The
construction
S-scheme
heterostructures
with
clear
interfacial
charge
transfer
mechanism
is
considered
as
an
effective
to
improve
photocatalytic
performance
photocatalysts.
assembly
MOF-on-MOF
might
be
used
construct
heterojunctions
due
rich
structures,
transport
channels,
and
fast
mass
MOFs.
Herein,
2D
Pd-PPF-1
was
coated
on
3D
Pd-PCN-222
through
presurface
modification
strategy,
prepared
Pd-PPF-1/Pd-PCN-222
heterojunction
displayed
morphology
nanoflower
winding
around
rod.
As
hydrogenation,
as-obtained
catalyst
exhibited
much
higher
than
Pd-PPF-1,
Pd-PCN-222,
or
physical
mixture
Pd-PCN-222.
high
catalytic
attributed
formation
heterojunction,
which
not
only
retained
redox
capability
parent
MOFs
but
also
separated
photogenerated
carriers.
This
work
presents
constructive
route
designing
2D-on-3D
MOF
controllable
ability.
Chemistry - An Asian Journal,
Год журнала:
2023,
Номер
19(2)
Опубликована: Ноя. 24, 2023
Abstract
Hydrogen
plays
a
crucial
role
in
the
future
energy
landscape
owing
to
its
high
density.
However,
finding
an
ideal
storage
material
is
key
challenge
success
of
hydrogen
economy.
Various
solid‐state
materials,
such
as
metal
hydrides,
have
been
developed
realize
safe,
effective,
and
compact
storage.
low
kinetics
thermodynamic
stability
lead
working
temperature
sorption
rate
hydrides.
Using
scaffolds
made
from
porous
materials
like
silica
confine
hydrides
necessary
for
better
improved
Therefore,
this
article
reviews
silica‐based
The
outcome
showed
that
confining
using
based
on
significantly
increases
their
capacities.
It
was
also
found
structural
modifications
scaffold
into
hollow
structure
further
capacity
increased
affinity
confinement
ability
which
prevents
agglomeration
particles
during
adsorption/desorption
process.
Hence,
fibrous
are
recommended
be
enhancing
hydride
capacity.
