Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 4, 2024
Abstract
Single‐atom
(SA)
nanozymes
have
unprecedented
physicochemical
performance
due
to
their
integrated
merits
of
both
atomically
dispersed
metal
atoms
and
bio‐enzymes.
However,
the
structure‐function
relationship
between
SA
nanozyme‐like
structure
its
dielectric
is
still
unclear.
Furthermore,
controllable
synthesis
structures
remains
challenging
unique
five‐coordinated
configurations.
Here,
a
dicyandiamide‐mediated
pyrolysis
strategy
proposed
anchor
five
nitrogen‐coordinated
lanthanum
(La)–N
5
moieties
on
interconnected
N‐doped
graphene
nanocages
(La‐N
/ING).
Theoretical
predictions
indicate
that
spatially
coordinated
La–N
exhibit
significantly
enhanced
conduction
loss
polarization
compared
4
moieties,
as
evidenced
by
experimental
results.
Moreover,
polydimethylsiloxane‐coated
chemically
cross‐linked
film
constructed
La‐N
/ING
aramid
nanofibers
has
outstanding
electromagnetic
wave
(EMW)
absorption
with
an
effective
bandwidth
(EAB
10
)
6.24
GHz
at
thickness
merely
2.0
mm,
outperforming
those
most
reported
carbon‐based
films.
Importantly,
also
excellent
flexibility,
hydrophobicity,
mechanical
strength,
structural
stability,
ensuring
application
potential
in
practical
environments.
These
findings
provide
crucial
insights
into
microscopic
environment
properties
host
materials,
critical
method
for
preparation
multifunctional
films
spatial
SA.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(5), С. 1723 - 1772
Опубликована: Янв. 1, 2023
Defective
two-dimensional
(2D)
materials
show
huge
potential
for
energy-related
fields.
This
review
overviews
the
formation/evolution
mechanisms
and
engineering
strategies
of
defects
in
2D
materials,
which
enable
enhanced
electrode
reaction
kinetics.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(22)
Опубликована: Март 24, 2023
Nickel-based
catalysts
have
been
regarded
as
one
of
the
most
promising
electrocatalysts
for
urea
oxidation
reaction
(UOR),
however,
their
activity
is
largely
limited
by
inevitable
self-oxidation
Ni
species
(NSOR)
during
UOR.
Here,
we
proposed
an
interface
chemistry
modulation
strategy
to
trigger
occurrence
UOR
before
NSOR
via
constructing
a
2D/2D
heterostructure
that
consists
ultrathin
NiO
anchored
Ru-Co
dual-atom
support
(Ru-Co
DAS/NiO).
Operando
spectroscopic
characterizations
confirm
this
unique
triggering
mechanism
on
surface
DAS/NiO.
Consequently,
fabricated
catalyst
exhibits
outstanding
with
low
potential
1.288
V
at
10
mA
cm-2
and
remarkable
long-term
durability
more
than
330
h
operation.
DFT
calculations
demonstrate
favorable
electronic
structure
induced
heterointerface
endows
energetically
NSOR.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(11), С. 4714 - 4758
Опубликована: Янв. 1, 2023
This
review
analyzes
advanced
catalysts
and
C
2+
synthesis
mechanisms
based
on
theoretical
explorations
in
situ
/
operando
characterizations.
Triphasic
interface
optimization
is
discussed
for
the
potential
of
industry-compatible
stability.
Advanced Materials,
Год журнала:
2023,
Номер
35(31)
Опубликована: Фев. 23, 2023
Single/dual-metal
atoms
supported
on
carbon
matrix
can
be
modulated
by
coordination
structure
and
neighboring
active
sites.
Precisely
designing
the
geometric
electronic
uncovering
structure-property
relationships
of
single/dual-metal
confront
with
grand
challenges.
Herein,
this
review
summarizes
latest
progress
in
microenvironment
engineering
single/dual-atom
sites
via
a
comprehensive
comparison
single-atom
catalyst
(SACs)
dual-atom
catalysts
(DACs)
term
design
principles,
modulation
strategy,
theoretical
understanding
structure-performance
correlations.
Subsequently,
recent
advances
several
typical
electrocatalysis
process
are
discussed
to
get
general
reaction
mechanisms
finely-tuned
SACs
DACs.
Finally,
full-scaled
summaries
challenges
prospects
given
for
This
will
provide
new
inspiration
development
atomically
dispersed
electrocatalytic
application.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(7), С. 2759 - 2803
Опубликована: Янв. 1, 2023
The
catalytic
transformation
of
CO
2
into
valuable
fuels/chemicals
is
a
promising
and
economically
profitable
process
because
it
offers
an
alternative
toward
fossil
feedstocks
the
benefit
transforming
cycling
on
scale-up.
Advanced Materials,
Год журнала:
2023,
Номер
36(1)
Опубликована: Апрель 20, 2023
This
topical
review
focuses
on
the
distinct
role
of
carbon
support
coordination
environment
single-atom
catalysts
(SACs)
for
electrocatalysis.
The
article
begins
with
an
overview
atomic
configurations
in
SACs,
including
a
discussion
advanced
characterization
techniques
and
simulation
used
understanding
active
sites.
A
summary
key
electrocatalysis
applications
is
then
provided.
These
processes
are
oxygen
reduction
reaction
(ORR),
evolution
(OER),
hydrogen
(HER),
nitrogen
(NRR),
dioxide
(CO
Advanced Materials,
Год журнала:
2023,
Номер
36(2)
Опубликована: Июль 13, 2023
Single-atom
catalysts
(SACs)
have
attracted
considerable
attention
in
heterogeneous
catalysis
because
of
their
well-defined
active
sites,
maximum
atomic
utilization
efficiency,
and
unique
unsaturated
coordinated
structures.
However,
effectiveness
is
limited
to
reactions
requiring
sites
containing
multiple
metal
atoms.
Furthermore,
the
loading
amounts
single-atom
must
be
restricted
prevent
aggregation,
which
can
adversely
affect
catalytic
performance
despite
high
activity
individual
The
introduction
nanoscale
particles
(NMPs)
into
SACs
(NMP-SACs)
has
proven
an
efficient
approach
for
improving
performance.
A
comprehensive
review
urgently
needed
systematically
introduce
synthesis,
characterization,
application
NMP-SACs
mechanisms
behind
superior
This
first
presents
classifies
different
through
NMPs
enhance
SACs.
It
then
summarizes
currently
reported
synthetic
strategies
state-of-the-art
characterization
techniques
NMP-SACs.
Moreover,
electro/thermo/photocatalysis,
reasons
are
discussed.
Finally,
challenges
perspectives
future
design
advanced
addressed.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(13)
Опубликована: Фев. 7, 2023
Developing
highly
efficient
and
stable
photocatalysts
for
the
CO2
reduction
reaction
(CO2
RR)
remains
a
great
challenge.
We
designed
Z-Scheme
photocatalyst
with
N-Cu1
-S
single-atom
electron
bridge
(denoted
as
Cu-SAEB),
which
was
used
to
mediate
RR.
The
production
of
CO
O2
over
Cu-SAEB
is
high
236.0
120.1
μmol
g-1
h-1
in
absence
sacrificial
agents,
respectively,
outperforming
most
previously
reported
photocatalysts.
Notably,
as-designed
throughout
30
cycles,
totaling
300
h,
owing
strengthened
contact
interface
Cu-SAEB,
mediated
by
atomic
structure.
Experimental
theoretical
calculations
indicated
that
SAEB
greatly
promoted
Z-scheme
interfacial
charge-transport
process,
thus
leading
enhancement
photocatalytic
RR
Cu-SAEB.
This
work
represents
promising
platform
development
have
potential
conversion
applications.
