Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 31, 2024
Abstract
Strategies
that
can
introduce
catalytic
auxiliary
into
electrocatalysts
to
boost
the
performance
of
electrocatalytic
CO
2
reduction
reaction
(CO
RR)
are
meaningful
in
exploring
hybrid
systems.
Here,
a
series
(Cu
NCs@MOF‐545‐M,
M=Fe,
Co
and
Ni)
have
been
prepared
by
assembly
Cu
NCs
with
MOF‐545‐M
(M=Fe,
successfully
applied
RR.
In
obtained
Ni),
integration
create
system
enhances
charge
transfer
efficiency
RR
activity.
Specifically,
optimal
NCs@MOF‐545‐Co
presents
remarkable
FE
over
wide
potential
range
(−0.7
V
−1.0
V),
high
generation
rate
(8.2
mol
m
−2
h
−1
)
excellent
maximum
energy
(69
%,
−0.7
which
is
superior
MOF‐545‐Co,
represented
be
one
best
performances
date.
This
work
demonstrates
facile
approach
significantly
improve
loading
metal
nanoclusters
MOFs,
providing
valuable
reference
for
future
studies
on
hybridization
strategies
enhance
electrocatalysts.
Current Opinion in Chemical Engineering,
Год журнала:
2024,
Номер
45, С. 101029 - 101029
Опубликована: Май 27, 2024
The
aim
of
this
paper
is
to
assess
carbon
dioxide
(CO2)
reduction
research
and
strategies,
in
view
the
2030
Sustainable
Development
Goals
(SDG),
particular
SDG
13
'Climate
Action',
achievement.
According
current
understanding,
limiting
global
warming
a
determined
temperature
level
requires
stabilization
atmospheric
greenhouse
gases
by
achieving
net-zero
emissions.
This
implies
that
all
residual
emissions
should
be
counterbalanced
natural
or
technical
long-term
storage
sinks.
Therefore,
CO2
appear
essential
for
curtailing
climate,
as
precondition
achievement
SDGs.
Catalyst
preparation
has
high
impact
on
removal
technology,
especially
far
most
promising
methods,
such
electrochemical
photochemical
reduction,
are
concerned.
Even
if
two
technologies
might
preliminarily
different,
inner
mechanisms,
is,
electron
transfer
surface
absorption,
common
both.
study
analyses
recent
literature
catalytic
through
analysis
network
maps
created
VOSviewer
spotlight
areas
sector's
improvement.
Molecules,
Год журнала:
2024,
Номер
29(19), С. 4623 - 4623
Опубликована: Сен. 29, 2024
This
overview
provides
insights
into
organic
and
metal–organic
polymer
(OMOP)
catalysts
aimed
at
processes
carried
out
in
the
liquid
phase.
Various
types
of
polymers
are
discussed,
including
vinyl
(various
functional
poly(styrene-co-divinylbenzene)
perfluorinated
functionalized
hydrocarbons,
e.g.,
Nafion),
condensation
(polyesters,
-amides,
-anilines,
-imides),
additional
(polyurethanes,
polyureas,
polybenzimidazoles,
polyporphyrins),
prepared
from
organometal
monomers.
Covalent
frameworks
(COFs),
(MOFs),
their
composites
represent
a
significant
class
OMOP
catalysts.
Following
this,
preparation,
characterization,
application
dispersed
metal
discussed.
Key
catalytic
such
as
alkylation—used
large-scale
applications
like
production
alkyl-tert-butyl
ether
bisphenol
A—as
well
reduction,
oxidation,
other
reactions,
highlighted.
The
versatile
properties
COFs
MOFs,
well-defined
nanometer-scale
pores,
large
surface
areas,
excellent
chemisorption
capabilities,
make
them
highly
promising
for
chemical,
electrochemical,
photocatalytic
applications.
Particular
emphasis
is
placed
on
potential
CO2
treatment.
However,
notable
drawback
COF-
MOF-based
relatively
low
stability
both
alkaline
acidic
environments,
high
cost.
A
special
part
devoted
to
deactivation
disposal
used/deactivated
catalysts,
emphasizing
importance
separating
heavy
metals
conclusion
guidance
selecting
developing
OMOP-based
Catalysts,
Год журнала:
2024,
Номер
14(12), С. 880 - 880
Опубликована: Дек. 2, 2024
Based
on
the
photocatalytic
activity
and
magnetic
nature
of
magnetite
goethite,
as
well
oxygen
storage
characteristic
cerianite,
a
ternary
hybrid
composite
including
cubic
CeO2,
Fe3O4
orthorhombic
FeOOH,
designated
Fe3O4/FeOOH/CeO2,
was
successfully
synthesized
with
different
Ce:Fe
molar
ratios
using
simple
hydrothermal
route
without
subsequent
calcination
process,
employed
photocatalysts
for
degradation
Acid
Orange
7
(AO7)
dye.
The
absorption
range
light
by
Fe3O4/FeOOH/CeO2
composites
broadened,
intensity
enhanced.
Furthermore,
there
existed
possibility
hybridization
doping
among
three
crystalline
structures,
elements
Ce,
Fe
O
exhibiting
uniform
distribution,
significantly
enhancing
efficiency
in
promoting
photodegradation
AO7.
response
behaviors
were
investigated.
adsorptive
AO7
darkness
under
UV
illumination
evaluated.
Moreover,
ten
cycling
runs
simulated
ratio
1:15
performed.
proved
to
have
excellent
sensitivity,
exhibited
outstanding
activities
demonstrated
remarkable
stability.
It
is
anticipated
that
may
potential
applications
treatment
organic
dye
sewage.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(15), С. 8514 - 8514
Опубликована: Авг. 4, 2024
Nowadays,
owing
to
the
new
technological
and
industrial
requirements
for
equipment,
such
as
flexibility
or
multifunctionally,
development
of
all-solid-state
supercapacitors
Li-ion
batteries
has
become
a
goal
researchers.
For
these
purposes,
composite
material
approach
been
widely
proposed
due
promising
features
woven
carbon
fiber
substrate
this
type
material.
Carbon
displays
excellent
mechanical
properties,
flexibility,
high
electrical
conductivity,
allowing
it
act
collector
at
same
time.
However,
fiber’s
energy-storage
capability
is
limited.
Several
coatings
have
this,
with
nanostructured
transition
metal
oxides
being
one
most
popular
their
theoretical
capacity
surface
area.
In
overview,
main
techniques
used
achieve
coatings—such
solvothermal
synthesis,
MOF-derived
obtention,
electrochemical
deposition—are
summarized,
well
strategies
alleviating
low
conductivity
oxides,
which
drawback
materials.