Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Defect
engineering
is
an
extremely
effective
strategy
for
modifying
metal-organic
frameworks
(MOFs),
which
can
break
through
the
application
limitations
of
traditional
MOFs
and
enhance
their
functionality.
Herein,
we
report
a
highly
robust
nanoporous
thulium(III)-organic
framework,
{[Tm
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(28)
Опубликована: Апрель 27, 2024
Abstract
The
poor
electrocatalytic
stability
and
rapid
deactivation
of
metal
electrocatalysts
are
always
present
in
the
conversion
carbon
dioxide
(CO
2
)
due
to
harsh
reduction
condition.
Herein,
we
demonstrate
controllable
dispersion
ultrafine
bismuth
nanoparticles
among
hollow
shell
(Bi@C‐700‐4)
simply
by
a
thermal‐driven
diffusion
process.
confinement
effect
nitrogen‐doped
matrix
is
able
low
surface
energy
against
easy
aggregation
commonly
observed
for
thermal
treatment.
On
basis
synergistic
between
matrix,
highly
dispersed
active
sites
render
obviously
improved
activity
CO
into
formate.
situ
experimental
observations
on
process
theoretical
calculations
reveal
that
incorporation
with
would
promote
activation
formation
key
intermediate
(*OCHO),
thus
leading
enhanced
activity,
Faradaic
Efficiency
(FE)
formate
about
94.8
%
long‐time
stability.
Furthermore,
coupling
an
anode
5‐hydroxymethylfurfural
oxidation
reaction
(HMFOR)
solar‐driven
system
renders
high
2,5‐furandicarboxylic
acid
(FDCA)
yield
81.2
%,
presenting
impressive
solar‐to‐fuel
conversion.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(38)
Опубликована: Июнь 21, 2024
Electrochemical
reduction
reactions,
as
cathodic
processes
in
many
energy-related
devices,
significantly
impact
the
overall
efficiency
determined
mainly
by
performance
of
electrocatalysts.
Metal-organic
frameworks
(MOFs)
derived
carbon-supported
metal
materials
have
become
one
star
electrocatalysts
due
to
their
tunable
structure
and
composition
through
ligand
design
screening.
However,
for
different
electroreduction
required
active
species
vary
phase
component,
electronic
state,
catalytic
center
configuration,
hence
requiring
effective
customization.
From
this
perspective,
review
comprehensively
analyzes
structural
principles,
loading
strategies,
practical
performance,
complex
mechanisms,
thereby
providing
insights
guidance
future
rational
such
catalysts.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(2), С. 2397 - 2407
Опубликована: Янв. 5, 2024
Hard
carbons
(HCs),
while
a
leading
candidate
for
sodium-ion
battery
(SIB)
anode
materials,
face
challenges
in
their
unfavorable
sodiation
kinetics
since
the
intricate
microstructure
of
HCs
complicates
Na+
diffusion
channel.
Herein,
Hovenia
dulcis-derived
HC
realizes
markedly
enhanced
high-rate
performance
virtue
dual-functionalized
Ca.
The
interlayer
doped
Ca2+
effectively
enlarges
spacing,
situ-formed
CaSe
templates
induce
formation
hierarchical
pore
structures
and
intrinsic
defects,
significantly
providing
fast
channels
abundant
active
sites
thus
enhancing
sodium
storage
kinetics.
Achieved
by
synergistic
effect
regulation
microcrystalline
structures,
optimized
shows
remarkable
enhancements,
including
high
reversible
capacity
350.3
mA
h
g–1
after
50
cycles
at
g–1,
high-capacity
retention
rate
95.3%
1000
cycles,
excellent
(108.4
2
A
g–1).
This
work
sheds
light
on
valuable
insight
into
structural
adjustment
HCs,
facilitating
widespread
utilization
SIBs.
Abstract
Featured
with
the
attractive
properties
such
as
large
surface
area,
unique
atomic
layer
thickness,
excellent
electronic
conductivity,
and
superior
catalytic
activity,
layered
metal
chalcogenides
(LMCs)
have
received
considerable
research
attention
in
electrocatalytic
applications.
In
this
review,
approaches
developed
to
synthesize
LMCs‐based
electrocatalysts
are
summarized.
Recent
progress
composites
for
electrochemical
energy
conversion
applications
including
oxygen
reduction
reaction,
carbon
dioxide
evolution
hydrogen
overall
water
splitting,
nitrogen
reaction
is
reviewed,
potential
opportunities
practical
obstacles
development
of
high‐performing
active
substances
also
discussed.
This
review
may
provide
an
inspiring
guidance
developing
high‐performance
LMCs
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Defect
engineering
is
an
extremely
effective
strategy
for
modifying
metal-organic
frameworks
(MOFs),
which
can
break
through
the
application
limitations
of
traditional
MOFs
and
enhance
their
functionality.
Herein,
we
report
a
highly
robust
nanoporous
thulium(III)-organic
framework,
{[Tm