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
Cell Reports Physical Science,
Год журнала:
2023,
Номер
4(3), С. 101301 - 101301
Опубликована: Фев. 22, 2023
Metal-organic
framework
(MOF)
backbone
materials,
as
nanoporous
have
outstanding
performance
in
studies
on
adsorption
and
catalysis
by
virtue
of
their
high
porosity,
large
specific
surface
area,
unsaturated
metal
coordination
sites,
diverse
structures
functions.
However,
it
is
difficult
to
synthesize
truly
perfect
MOFs
practical
experiments
because
any
slight
change
reaction
conditions
may
lead
defects
the
material.
This
suggests
that
be
prevalent
a
systematic
understanding
would
beneficial
controlling
material
properties.
Meanwhile,
detection
synthesis
defective
MOF
materials
are
still
development
stage.
In
this
paper,
methods,
characterization
techniques,
optimization
strategies
reviewed.
paper
discusses
current
difficulties
makes
suggestions
for
future
work.
ACS Catalysis,
Год журнала:
2023,
Номер
13(7), С. 4444 - 4453
Опубликована: Март 18, 2023
Achieving
high
activity
and
selectivity
of
multicarbon
products
in
the
CO2
reduction
reaction
(CO2RR)
on
Cu-based
electrocatalysts
remains
challenging
due
to
limited
concentration
local
OH–,
sluggish
diffusion,
competitive
hydrogen
evolution
reaction.
Herein,
we
report
aerophilic
nanocomposites
hydrophobic
SiO2
aerosol
Cu2O
nanocubes
tailor
microenvironment
for
enhancing
electroreduction
0.1
M
KHCO3
aqueous
electrolyte.
Combined
situ
infrared
analysis,
molecular
dynamics
simulations,
density
functional
theory
calculations
reveal
that
composite
Cu2O/SiO2
enriches
hydroxyl
by
blocking
between
OH–
HCO3–,
accelerates
diffusion
coefficient
(from
2.67
×
10–10
8.46
m2
s–1),
renders
a
lower
dissociation
energy
H2O
than
bicarbonate
(0.49
vs
1.24
eV
(111))
as
compared
neat
Cu2O.
Consequently,
promotes
formation
C2+
(Faradaic
efficiency
FEC2+
from
52.4
75.6%)
suppresses
generation
(FEH2
30.0
9.6%)
at
−1.2
V
versus
reversible
electrode.
The
results
provide
insight
into
improvement
CO2RR
electrocatalysis
regulating
alkalinity,
transportation,
permeability.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(10)
Опубликована: Янв. 17, 2024
Carbon-based
single-atom
catalysts
(SACs)
have
attracted
tremendous
interest
in
heterogeneous
catalysis.
However,
the
common
electric
heating
techniques
to
produce
carbon-based
SACs
usually
suffer
from
prolonged
time
and
tedious
operations.
Herein,
a
general
facile
microwave-assisted
rapid
pyrolysis
method
is
developed
afford
within
3
min
without
inert
gas
protection.
The
obtained
present
high
porosity
comparable
carbonization
degree
those
by
techniques.
Specifically,
Ni
implanted
N-doped
carbon
(Ni
Materials Advances,
Год журнала:
2023,
Номер
4(3), С. 835 - 867
Опубликована: Янв. 1, 2023
This
review
covers
recent
advances
in
understanding,
designing,
and
exploring
the
defect
carbon
toward
energy-related
applications,
with
aim
of
referencing
guiding
large-scale
diverse
applications
defect-rich
materials.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
This
review
focuses
on
the
synthesis
and
characterization
of
defective
electrocatalysts,
internal
correlation
between
defects
catalytic
activity,
development
application
electrocatalysts
in
various
fields.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 9, 2024
Abstract
Electrochemical
CO
2
reduction
reaction
(CO
RR)
powered
by
renewable
energy
provides
a
promising
route
to
conversion
and
utilization.
However,
the
widely
used
neutral/alkaline
electrolyte
consumes
large
amount
of
produce
(bi)carbonate
byproducts,
leading
significant
challenges
at
device
level,
thereby
impeding
further
deployment
this
reaction.
Conducting
RR
in
acidic
electrolytes
offers
solution
address
“carbonate
issue”;
however,
it
presents
inherent
difficulties
due
competitive
hydrogen
evolution
reaction,
necessitating
concerted
efforts
toward
advanced
catalyst
electrode
designs
achieve
high
selectivity
activity.
This
review
encompasses
recent
developments
RR,
from
mechanism
elucidation
design
engineering.
begins
discussing
mechanistic
understanding
pathway,
laying
foundation
for
RR.
Subsequently,
an
in‐depth
analysis
advancements
catalysts
is
provided,
highlighting
heterogeneous
catalysts,
surface
immobilized
molecular
enhancement.
Furthermore,
progress
made
device‐level
applications
summarized,
aiming
develop
high‐performance
systems.
Finally,
existing
future
directions
are
outlined,
emphasizing
need
improved
selectivity,
activity,
stability,
scalability.