Small,
Journal Year:
2020,
Volume and Issue:
17(9)
Published: May 13, 2020
Abstract
Heterogeneous
hydrogenation
reactions
are
of
great
importance
for
chemical
upgrading
and
synthesis,
but
still
face
the
challenges
controlling
selectivity
long‐term
stability.
To
improve
catalytic
performance,
many
utilize
special
yolk/core–shell
nanoreactors
(YCSNs)
with
unique
architectures
advantageous
properties.
This
work
presents
developmental
technological
in
preparation
YCSNs
that
potentially
useful
reactions,
provides
a
summary
properties
these
materials.
The
also
addresses
scientific
applications
various
gas
liquid‐phase
reactions.
catalyst
structures,
structure–performance
relationships,
reaction
mechanisms,
unsolved
problems
discussed
too.
Also,
brief
outlook
opportunities
future
research
this
field
presented.
on
advancements
might
inspire
creation
new
materials
desired
structures
achieving
maximal
performances.
Chemical Reviews,
Journal Year:
2020,
Volume and Issue:
121(2), P. 567 - 648
Published: Sept. 17, 2020
Heterogeneous
catalysis
involves
solid-state
catalysts,
among
which
metal
nanoparticles
occupy
an
important
position.
Unfortunately,
no
two
from
conventional
synthesis
are
the
same
at
atomic
level,
though
such
regular
can
be
highly
uniform
nanometer
level
(e.g.,
size
distribution
∼5%).
In
long
pursuit
of
well-defined
nanocatalysts,
a
recent
success
is
atomically
precise
nanoclusters
protected
by
ligands
in
range
tens
to
hundreds
atoms
(equivalently
1–3
nm
core
diameter).
More
importantly,
have
been
crystallographically
characterized,
just
like
protein
structures
enzyme
catalysis.
Such
merge
features
homogeneous
catalysts
ligand-protected
centers)
and
enzymes
protein-encapsulated
clusters
few
bridged
ligands).
The
with
their
total
available
constitute
new
class
model
hold
great
promise
fundamental
research,
including
dependent
activity,
control
catalytic
selectivity
structure
surface
ligands,
structure–property
relationships
atomic-level,
insights
into
molecular
activation
mechanisms,
identification
active
sites
on
nanocatalysts.
This
Review
summarizes
progress
utilization
for
These
nanocluster-based
enabled
heterogeneous
research
single-atom
single-electron
levels.
Future
efforts
expected
achieve
more
exciting
understanding
tailoring
design
high
activity
under
mild
conditions.
Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
60(3), P. 1433 - 1440
Published: Oct. 2, 2020
Abstract
The
introduction
of
oxygen
vacancies
(Ov)
has
been
regarded
as
an
effective
method
to
enhance
the
catalytic
performance
photoanodes
in
evolution
reaction
(OER).
However,
their
stability
under
highly
oxidizing
environment
is
questionable
but
was
rarely
studied.
Herein,
NiFe‐metal–organic
framework
(NiFe‐MOFs)
conformally
coated
on
oxygen‐vacancy‐rich
BiVO
4
(Ov‐BiVO
)
protective
layer
and
cocatalyst,
forming
a
core–shell
structure
with
caffeic
acid
bridging
agent.
as‐synthesized
Ov‐BiVO
@NiFe‐MOFs
exhibits
enhanced
remarkable
photocurrent
density
5.3±0.15
mA
cm
−2
at
1.23
V
(vs.
RHE).
reduced
coordination
number
Ni(Fe)‐O
elevated
valence
state
Ni(Fe)
NiFe‐MOFs
greatly
bolster
OER,
shifting
sites
from
promotes
Ov
stabilization.
Ovs
can
be
effectively
preserved
by
coating
thin
layer,
leading
photoanode
stability.
ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
12(49), P. 55316 - 55323
Published: Dec. 1, 2020
Ultraviolet
radiation
(UVR)
and
noise
are
the
ubiquitous
environmental
hazards
with
considerable
detrimental
effects
on
physiological
psychological
health
of
humans.
Exploiting
efficient
protective
materials
that
can
be
extensively
used
in
daily
life
for
simultaneous
anti-UVR
mitigation
will
crucial
importance,
but
it
is
still
a
significant
challenge
design.
Herein,
we
developed
series
textiles
reduction
via
MOFs
nanocrystal-modified
cotton
textiles.
The
formation
MOFs@cotton
was
confirmed
by
using
electron
microscopy,
X-ray
diffraction,
infrared
spectroscopy,
photoelectron
spectroscopy.
fabricated
exhibited
substantial
improvement
UVR
blocking
acoustic
absorption
properties
compared
to
blank
Therefore,
this
work
provides
good
strategy
designing
preparing
multifunctional
Journal of the American Chemical Society,
Journal Year:
2022,
Volume and Issue:
144(48), P. 22008 - 22017
Published: Nov. 21, 2022
Metal
nanoclusters
(NCs)
with
atomically
precise
structures
have
sparked
interest
in
catalysis.
Unfortunately,
their
high
aggregation
tendency
and
the
spatial
resistance
of
surface
ligands
pose
significant
challenges.
Herein,
Au25
NCs
are
encapsulated
into
isoreticular
metal-organic
frameworks
(MOFs),
namely
UiO-66-X
(X
=
H,
NH2,
OH,
NO2),
followed
by
removal
on
NCs.
The
resulting
surface-clean
NCs,
protected
MOF
confinement,
exhibit
much
superior
activity
stability
respect
to
pristine
oxidative
esterification
furfural.
Remarkably,
experimental
theoretical
results
jointly
demonstrate
that
diverse
functional
groups
modulate
electronic
state,
giving
rise
discriminated
substrate
adsorption
energy
Au25@UiO-66-X.
As
a
result,
electron
density
suitable
ability
dominate
trend:
Au25@UiO-66-NH2
>
Au25@UiO-66-OH
Au25@UiO-66
Au25@UiO-66-NO2.
This
work
develops
new
strategy
for
stabilization
metal
pore
wall-engineered
MOFs
enhanced
