Sonocatalytic
therapy
(SCT)
has
emerged
as
a
promising
noninvasive
modality
for
tumor
treatment
but
is
hindered
by
the
insufficient
generation
of
ultrasound-induced
reactive
oxygen
species
(ROS)
and
hypoxic
microenvironments.
Herein,
we
fabricated
carbon
nanoframe-confined
N-coordinated
manganese
single-atom
sonocatalyst
with
five-coordinated
structure
(MnN
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 28, 2024
Abstract
Hydrolysis
of
ammonia
borane
(NH
3
BH
,
AB)
involves
multiple
undefined
steps
and
complex
adsorption
activation,
so
single
or
dual
sites
are
not
enough
to
rapidly
achieve
the
multi‐step
catalytic
processes.
Designing
multi‐site
catalysts
is
necessary
enhance
performance
AB
hydrolysis
reactions
but
revealing
matching
reaction
mechanisms
a
great
challenge.
In
this
work,
we
propose
construct
RuPt−Ti
clarify
tandem
activation
mechanism
hydrolysis.
Experimental
theoretical
studies
reveal
that
mode
can
respectively
promote
NH
H
2
O
molecules
on
Ru
Pt
as
well
facilitate
fast
transfer
*H
desorption
Ti
at
same
time.
exhibit
highest
turnover
frequency
(TOF)
1293
min
−1
for
reaction,
outperforming
single‐site
Ru,
dual‐site
RuPt
Ru−Ti
catalysts.
This
study
proposes
concept
accelerating
dehydrogenation
hydrogen
storage
material,
aiming
contribute
development
cleaner,
low‐carbon,
high‐performance
production
systems.
Sonocatalytic
therapy
(SCT)
has
emerged
as
a
promising
noninvasive
modality
for
tumor
treatment
but
is
hindered
by
the
insufficient
generation
of
ultrasound-induced
reactive
oxygen
species
(ROS)
and
hypoxic
microenvironments.
Herein,
we
fabricated
carbon
nanoframe-confined
N-coordinated
manganese
single-atom
sonocatalyst
with
five-coordinated
structure
(MnN