Frontiers in Energy Research,
Год журнала:
2024,
Номер
12
Опубликована: Окт. 24, 2024
The
production
of
hydrogen
(H
2
)
and
multi-carbon
fuels
through
water
electrolysis
(oxygen
evolution
reaction
(OER)/hydrogen
(HER))
water–CO
co-electrolysis
(OER/CO
reduction
(CO
RR)),
respectively,
is
supposed
to
be
the
emergent
energy
carrier.
These
electrochemical
processes
are
essential
chemical
conversion
pathways
that
initiate
changes
toward
renewable
energy.
This
review
summarizes
systematic
design
earth-abundant
transition
metal-based
nanomaterials
their
electrocatalytic
activities
reactions
such
as
OER,
HER,
CO
RR.
primary
focus
on
fabricating
highly
effective,
low-cost,
advanced
nanostructures
for
both
OER/HER
OER/CO
RR
systems.
Developing
synthetic
strategies
surface
morphology-controlled
nanostructured
electrocatalysts,
engineering
electrode
surface,
enhancing
activity,
understanding
relationship
between
intrinsic
catalytic
activity
preparation
approaches
or
precursor
choices,
exploring
mechanism
focused
on.
Furthermore,
current
challenges,
figure-of-merit,
prospects
described.
study
may
open
new
opportunities
develop
shape-controlled
high-performance
electrocatalysts
storage
reactions.
Langmuir,
Год журнала:
2024,
Номер
40(18), С. 9579 - 9591
Опубликована: Апрель 24, 2024
Herein,
a
fiber-supported
iron-based
ionic
liquid
as
type
of
fibrous
catalyst
has
been
developed
for
the
synthesis
bioactive
3,4-dihydropyrimidin-2-(1H)-ones
(DHPMs)
via
three-component
Biginelli
reactions
in
cleaner
manner.
The
described
was
obtained
from
commercially
available
polyetheretherketone
(PEEK)
fiber
by
postfunctionalization
processes
and
characterized
analyzed
detail
means
diversified
technologies.
Furthermore,
liquids
could
mediate
classical
to
proceed
smoothly
gain
variety
substituted
DHPMs
with
yields
up
99%.
superior
catalytic
activities
were
ascribed
quasi-homogeneous
medium
generated
surface
layer
PEEK
fiber,
which
afford
an
appropriate
reaction
zone
further
be
aggregation
substrates
facilitate
reaction.
Notably,
is
recycling
over
10
runs
just
pair
tweezers,
operational
procedure
capable
enlarging
system
gram-scale
without
any
performance
degradation,
provided
manner
take
advantage
organic
potential
industrialization
prospects.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(42), С. 29006 - 29016
Опубликована: Окт. 9, 2024
Efficient
and
durable
catalysts
for
the
oxygen
evolution
reaction
are
essential
realizing
large-scale
application
of
water
electrolysis
technologies.
Here,
we
report
a
novel
Zn-doped
NiOOH
subnanowires
(Zn–NiOOH
SNWs)
catalyst
synthesized
via
electrochemical
reconstruction
Zn–NiMoO4
SNWs.
The
inclusion
Zn
triggers
transition
in
mechanism
from
adsorbate
to
lattice
mechanism,
resulted
Zn's
adaptive
adjustment
coordination
types,
which
also
improves
energetics,
thereby
enhancing
stability
activity.
Furthermore,
subnanowire
structure
provides
further
stabilization
Zn–NiOOH,
preventing
its
destructive
dissolution.
Remarkably,
Zn–NiOOH
SNWs
display
current
density
10
mA
cm–2
with
an
overpotential
only
179
mV
maintain
stable
operation
at
200
800
h
minimal
changes
overpotential,
establishing
them
as
one
most
effective
involving
alkaline
reaction.
When
utilized
anode
electrolyzer,
our
demonstrates
exceeding
500
under
water-splitting
cm–2,
indicating
promising
potential
practical
applications.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
13(1), С. 5 - 29
Опубликована: Дек. 13, 2024
Among
the
most
active
areas
of
chemistry
research
today
is
that
carbon
dioxide
utilization:
an
area
was
viewed
as
futile
and
commercially
impractical
not
so
long
ago
due
to
energetic
stability
CO2
molecule.
The
breakthroughs
largely
began
in
earnest
1990s
have
accelerated
now
make
up
a
diverse
plentiful
portfolio
technological
scientific
advances
commercialized
technologies.
Here,
"The
Tree"
presented
tool
illustrate
breadth
potential
products
from
utilization
communicate
these
chemical
address
greatest
challenge
society
faces
today:
climate
change.
It
intended
be
useful
for
scientists,
engineers,
legislators,
advocates,
industrial
decision-makers,
policy
makers,
general
public
know
what
already
possible
may
near
future.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(18), С. 8397 - 8407
Опубликована: Апрель 23, 2024
Photocatalytic
overall
water
splitting
(POWS)
is
a
promising
approach
for
solar-to-hydrogen
conversion.
For
achieving
this
target,
it
urgent
to
develop
efficient
photocatalysts.
Constructing
heterojunction
and
loading
cocatalyst
are
two
effective
strategies
enhancing
POWS.
However,
how
achieve
the
cooperation
of
site
with
charge
separation
remains
huge
challenge.
Herein,
we
present
an
ingenious
method:
precisely
assembling
H
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(19), С. 13210 - 13225
Опубликована: Май 6, 2024
A
new
class
of
photoswitchable
NHC
ligands,
named
azImBA,
has
been
developed
by
integrating
azobenzene
into
a
previously
unreported
imidazobenzoxazol-1-ylidene
framework.
These
rigid
photochromic
carbenes
enable
precise
control
over
confinement
around
metal's
coordination
sphere.
As
model
system,
gold(I)
complexes
these
NHCs
exhibit
efficient
bidirectional
E–Z
isomerization
under
visible
light,
offering
versatile
platform
for
reversibly
photomodulating
the
reactivity
organogold
species.
Comprehensive
kinetic
studies
protodeauration
reaction
reveal
rate
differences
up
to
2
orders
magnitude
between
E
and
Z
isomers
NHCs,
resulting
in
quasi-complete
visible-light-gated
ON/OFF
switchable
system.
Such
high
level
photomodulation
efficiency
is
unprecedented
gold
complexes,
challenging
current
state-of-the-art
organometallics.
Thorough
investigations
ligand
properties
paired
with
structure–reactivity
correlations
underscored
unique
ligand's
steric
features
as
key
factor
reactivity.
This
effective
photocontrol
strategy
was
further
validated
catalysis,
enabling
situ
photoswitching
catalytic
activity
intramolecular
hydroalkoxylation
-amination
alkynes.
Given
significance
findings
its
potential
widely
applicable,
easily
customizable
ancillary
platform,
azImBA
poised
stimulate
development
adaptive,
multifunctional
metal
complexes.
ACS Catalysis,
Год журнала:
2024,
Номер
14(6), С. 4066 - 4073
Опубликована: Фев. 29, 2024
We
herein
describe
the
use
of
a
gold
complex
with
naphthalene-di-imide-functionalized
N-heterocyclic
carbene
(NDI-NHC)
ligand,
which
was
used
as
photocatalyst
for
variety
reactions.
Due
to
presence
naphthalene
moiety
in
can
be
photogeneration
singlet
oxygen,
behaving
endoperoxidation
and
peroxidation
cyclic
acyclic
alkenes,
also
selective
oxidation
simulant
sulfur
mustard
its
related
nontoxic
sulfoxide.
The
same
catalyst
two
model
oxidative
C–C
coupling
reactions,
namely,
aryldiazonium
salts
alkynylsilanes
mesitylene.
These
catalytic
reactions
are
good
indication
that
(NDI-NHC)-Au(I)
behave
an
effective
dual
metallophotoredox
but
particular
feature
both
photosensitizer
metal
contained
compound,
thus
constituting
very
rare
type
"two-in-one"
catalyst.
participation
Au(I)/Au(III)
couple
process
demonstrated
by
isolation
Au(III)
complex,
obtained
via
self-photoactivated
photoredox
reaction.
