Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
Abstract
The
high
density
of
surface
states
on
silicon
has
long
impeded
the
development
high‐performance
photodetectors,
leading
to
excessive
dark
leakage
currents
that
adversely
affect
responsivity
and
detectivity.
Herein,
an
all‐solution‐processable
method
is
presented
for
fabricating
photodetectors
through
consecutive
spray‐coating
a
conductive
metal‐organic
framework
(MOF,
Cu
3
(HHTP)
2
)
metallic
Ti
C
MXene
form
van
der
Waals
dual
junctions
substrate.
heterojunction
configuration
facilitates
unidirectional
electron‐hole
separation
within
/Si
interface
with
type
I
band
alignment,
while
leveraging
potential
barrier
difference
between
/Cu
Schottky
junctions.
photodetector
demonstrates
outstanding
photoelectric
performance,
operating
in
self‐powered
mode
specific
detectivity
1.63
×
10
12
Jones
large
1.8
A
W
−1
under
365
nm
illumination.
It
also
exhibits
impressive
on/off
ratio
exceeding
3.9
4
at
incident
light
power
330
µW
cm
−2
.
Additionally,
maintains
excellent
across
broad
wavelength
range
from
700
nm,
spanning
ultraviolet
visible
light,
sets
new
performance
benchmark
MOF‐based
photodetectors.
This
work
introduces
straightforward,
controllable
approach
constructing
high‐quality
semiconductor
surfaces,
enabling
fabrication
optoelectronic
devices
enhanced
performance.
Advanced Materials,
Год журнала:
2024,
Номер
36(27)
Опубликована: Апрель 17, 2024
Abstract
Ordered
pore
engineering
that
embeds
uniform
pores
with
periodic
alignment
in
electrocatalysts
opens
up
a
new
avenue
for
achieving
further
performance
promotion.
Hierarchically
ordered
porous
metal–organic
frameworks
(HOP‐MOFs)
possessing
multilevel
distribution
are
the
promising
precursors
exploration
of
electrocatalysts,
while
scalable
acquisition
HOP‐MOFs
editable
components
and
adjustable
size
regimes
is
critical.
This
review
presents
recent
progress
on
hierarchically
MOF‐based
materials
enhanced
electrocatalysis.
The
synthetic
strategies
different
regimes,
including
self‐assembly
guided
by
reticular
chemistry,
surfactant,
nanoemulsion,
nanocasting,
first
introduced.
Then
applications
as
exploring
summarized,
selecting
representatives
to
highlight
boosted
performance.
Especially,
intensification
molecule
ion
transport
integrated
optimized
electron
transfer
site
exposure
over
derivatives
emphasized
clarify
directional
integration
effect
endowed
engineering.
Finally,
remaining
scientific
challenges
an
outlook
this
field
proposed.
It
hoped
will
guide
nanocatalysts
boosting
catalytic
promoting
practical
applications.
Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 18, 2025
The
electrocatalytic
technique,
as
an
efficient
energy
storage
and
conversion
technology,
has
attracted
significant
attention
to
address
exhaustion
environmental
pollution.
Usually,
the
activity
selectivity
of
reactions
are
largely
dominated
by
dynamic
process
occurring
on
electrocatalysts.
Therefore,
high-performance
electrocatalysts,
which
can
dominate
pathway
barrier
reactions,
great
significance
for
advancement
technique.
Metal-organic
frameworks
(MOFs),
emerging
crystalline
porous
materials,
present
structural
component
advantages
including
well-defined
structure,
high
surface
area,
large
porosity,
diverse
components,
easy
tailorability,
demonstrating
fantastic
potential
precise
fabrication
In
this
Review,
strategies
in
electrocatalysts
based
MOF-related
materials
specifically
introduced
from
aspects
catalytic
site
design
microenvironment
modulation
around
sites.
Furthermore,
representative
progress
achieved
various
applications
employing
MOF-based
is
systematically
summarized,
with
special
emphasis
MOFs
performance
optimization.
Finally,
remaining
challenges
future
perspectives
further
highlighted.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(51)
Опубликована: Сен. 4, 2024
Abstract
Zinc‐air
batteries
(ZABs)
have
the
advantages
of
high
energy
density
and
rich
zinc
raw
materials.
It
is
a
low‐cost,
green
sustainable
storage
device.
At
present,
one
key
technologies
that
hinder
large‐scale
application
ZABs
design
fabrication
oxygen
evolution
reaction
(OER)
reduction
(ORR)
bifunctional
catalysts
with
excellent
performance,
especially
non‐platinum‐based
catalysts.
Here
N‐doped
carbon‐coated
Fe‐based
selenium
oxide
catalyst
Fe
2
O(SeO
3
)
/Fe
C@NC
performance
has
been
fabricated
by
one‐step
pyrolysis
then
electrochemical
oxidization.
The
experimental
results
confirmed
existence
Fe−O−Se
bonds
in
crystal
phase
C@NC,
could
obviously
enhance
ORR
OER
catalytic
C@NC.
Density
functional
theoretical
calculations
(DFT)
had
higher
d
‐band
center
atom
lower
p
‐orbital
coupling
degree
its
own
lattice
O
than
,
which
leads
to
site
being
more
likely
adsorb
external
intermediates.
modification
coordination
environment
atoms
optimizes
adsorption
for
Compared
showed
obvious
enhancements
ORR/OER
activities
half‐wave
potential
0.91
V
0.1
M
KOH
electrolyte
low
overpotential
345
mV
at
10
mA
cm
−2
1.0
electrolyte.
peak
power
specific
capacity
C@NC‐based
are
those
Pt/C+RuO
‐ZABs.
above
demonstrate
asymmetrical
plays
role
improving
ZABs.
Chinese Journal of Chemistry,
Год журнала:
2024,
Номер
42(20), С. 2520 - 2535
Опубликована: Июнь 19, 2024
Comprehensive
Summary
The
electrochemical
processes
of
oxygen
reduction
reaction
(ORR)
and
evolution
(OER)
play
a
crucial
role
in
various
energy
storage
conversion
systems.
However,
the
inherently
slow
kinetics
reversible
reactions
present
an
urgent
demand
for
development
efficient
electrocatalysts.
Recently,
metal‐organic
framework
(MOF)
derivatives
have
attracted
extensive
attention
electrocatalysis
research
due
to
their
unique
porous
structure,
abundant
active
sites,
tunable
structural
properties.
Especially,
optimization
electronic
structure
sites
MOF
has
been
proven
as
effective
strategy
enhance
catalytic
activity.
In
this
review,
we
provide
overview
strategies
advanced
catalysts
O—O
bond
activation
reactions,
including
construction
synergistic
effects
between
multiple
heterogeneous
interfaces,
utilization
metal
support
interactions,
precise
modulation
organic
ligands
surrounding
at
atomic
level.
Furthermore,
review
offers
theoretical
insights
into
mechanisms
derivatives,
well
identification
sites.
Finally,
potential
challenges
prospects
are
discussed.
This
contributes
understanding
advancement
Key
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