Inorganic Chemistry,
Год журнала:
2024,
Номер
63(22), С. 10434 - 10442
Опубликована: Май 21, 2024
Pt-containing
meta-
and
para-linked
poly(phenyleneethynylene)s
were
synthesized
by
the
dehydrochlorination
coupling
polymerization
of
PtCl2(PBu3)2
with
m-
p-diethynylbenzenes.
The
formed
polymers
sintered
at
900
°C
to
obtain
Pt–graphene
hybrids,
whose
structures
examined
Raman
scattering
spectroscopy,
X-ray
photoelectron
spectroscopy
(XPS),
diffraction
(XRD)
measurements.
Shapes─facets,
terraces,
steps─with
average
diameters
2.0–3.4
μm
observed
field
emission
scanning
electron
microscopy
(FE-SEM).
hybrids
moderately
adsorbed
CO2
O2
slightly
ethylene
methane.
Epoxidation
stilbene
was
carried
out
using
as
catalysts
oxide.
Advanced Energy Materials,
Год журнала:
2023,
Номер
14(8)
Опубликована: Дек. 28, 2023
Abstract
Regulating
the
metal‐support
interaction
of
anchored
metal
nanoclusters
is
recognized
as
valid
approach
to
optimize
electrocatalytic
performance
through
tuning
interfacial
electronic
structure.
However,
developing
novel
support
and
understanding
electron
accumulation
on
modulating
reaction
kinetics
are
still
elusive.
Herein,
highly‐dispersed
Ruthenium
(Ru)
onto
phosphorous
doped
molybdenum
boride
(Ru/P‐MoB)
developed
ultrafast
microwave‐plasma
(60
s)
approach.
The
synthesized
Ru/P‐MoB
impressively
promote
hydrogen
evolution
with
low
overpotentials
34,
45,
40
mV
drive
10
mA
cm
−2
in
alkaline
freshwater,
seawater
acid
media.
Specially,
it
presents
superior
turnover
frequency
mass/specific
activity
relative
Pt/C,
Ru/C,
Ru/MoB.
Moreover,
anion
exchange
membrane
(AEM)
electrolyzer
cell
based
can
achieve
500
1000
small
voltages
1.71
1.78
V
good
durability.
Experimental
density
functional
theoretical
(DFT)
analysis
reveal
that
strong
interactions
(Ru─Mo
Ru─P
bonds)
generated
electron‐enriched
Ru,
then
favoring
water‐molecule
adsorption/dissociation
optimal
H
intermediate
adsorption
free
energy.
This
work
provides
designing
avenue
exploit
electrocatalysts
outstanding
catalytic
under
high
current
at
practical
high‐temperature.
ACS Catalysis,
Год журнала:
2024,
Номер
14(6), С. 4155 - 4163
Опубликована: Март 7, 2024
Supported
gold
nanoclusters
of
the
formula
[Au13(L)5Cl2]3+
where
L
=
N-heterocyclic
carbene
(NHC)
or
phosphine
ligands
are
examined
in
electrocatalytic
CO2
reduction
reaction
(eCO2RR)
a
membrane
electrode
assembly
cell
configuration.
Gold
bearing
bisNHC
shown
to
exhibit
improved
catalytic
performance
compared
with
diphosphine-stabilized
after
activation
at
optimum
treatment
temperatures.
The
thermal
properties
have
significant
impact
on
their
activity.
Thermogravimetric
analysis,
UV–vis
absorption
spectroscopy,
and
X-ray
photoelectron
spectroscopy
revealed
that
[Au13(diphosphine)5Cl2]3+
results
complete
loss
diphosphine
while
[Au13(bisNHC)5Cl2]3+
show
stepwise
partial
removal
ligands.
We
propose
enables
efficient
clusters
conserving
core
structure.
This
leads
implication
intact
retaining
least
some
coordination
environment
more
active
than
ligand-free
clusters.
Chemical Communications,
Год журнала:
2024,
Номер
60(25), С. 3370 - 3378
Опубликована: Янв. 1, 2024
Research
on
noble
metal
nanoclusters
(MNCs)
(elements
with
filled
electron
d-bands)
is
progressing
forward
because
of
the
extensive
and
extraordinary
chemical,
optical,
physical
properties
these
materials.
Because
ultrasmall
size
MNCs
(typically
within
1-3
nm),
they
can
be
applied
in
areas
nearly
all
possible
scientific
domains.
The
greatest
advantage
tunability
that
imposed,
not
only
their
structures,
but
also
physical,
biological
properties.
Nowadays,
are
very
effectively
used
as
energy
donors
acceptors
under
suitable
conditions
hence
act
harvesters
solar
cells,
semiconductors,
biomarkers.
In
addition,
ultrafast
photoinduced
transfer
(PET)
practised
using
various
circumstances.
Herein,
we
have
focused
harvesting
phenomena
Au-,
Ag-,
Cu-based
elaborated
different
ways
to
apply
them.
Nanoscale Horizons,
Год журнала:
2024,
Номер
9(8), С. 1262 - 1278
Опубликована: Янв. 1, 2024
This
review
summarizes
the
recent
progress
in
atomically
precise
metal
nanoclusters
various
photocatalytic
applications
and
highlights
strategy
for
constructing
nanocluster-based
heterostructures
to
improve
stability
catalytic
activity.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(34)
Опубликована: Июнь 7, 2024
Owing
to
the
significant
attention
directed
toward
alloy
metal
nanoclusters,
it
is
crucial
explore
relationship
between
their
structures
and
performance
during
electrocatalytic
CO
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 13, 2024
Ligand-protected
metal
nanoclusters
are
an
emerging
class
of
nanomaterials
at
the
interface
atomic
and
plasmonic
regimes
with
unique
photophysical
electrochemical
properties,
leading
to
diverse
applications.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(5), С. 2766 - 2775
Опубликована: Янв. 22, 2024
The
first
hydride-doped
Pd/Ag
superatoms
stabilized
by
selenolates
are
reported:
[PdHAg19(dsep)12]
[dsep
=
Se2P(OiPr)2]
1
and
[PdHAg20(dsep)12]+
2.
was
derived
from
the
targeted
transformation
of
[PdHAg19(dtp)12]
[dtp
S2P(OiPr)2]
ligand
exchange,
whereas
2
obtained
addition
trifluoroacetic
acid
to
1,
resulting
in
a
symmetric
redistribution
capping
silver
atoms.
transformations
all
achieved
while
retaining
an
8-electron
superatomic
configuration.
VT-NMR
attests
good
stability
NCs
solution,
single-crystal
X-ray
diffraction
reveals
crucial
role
that
interstitial
hydride
plays
directing
position
total
structures
reported
alongside
their
electronic
optical
properties.
phosphorescent
with
lifetime
73
84
μs
at
77
K,
respectively.
antibacterial
activity
data
for
bimetallic
nanoclusters
also
reported.
Nanoscale,
Год журнала:
2024,
Номер
16(29), С. 13834 - 13846
Опубликована: Янв. 1, 2024
Atomically
precise
metal
clusters
for
electrocatalytic
and
photocatalytic
H
2
production
are
systematically
summarized,
which
is
expected
to
provide
new
insights
into
the
design
of
high-performance
catalysts.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
11(1), С. 29 - 49
Опубликована: Ноя. 9, 2023
In
this
review,
we
discuss
the
catalytically
active
sites
of
single-atom
catalysts
regulated
by
modulating
metal
single-atoms
and
coordination
environment,
as
well
summarizing
major
challenges
development
opportunities
for
field
SACs.
Abstract
The
electrochemical
carbon
dioxide
(CO
2
)
reduction
reaction
(CRR,
which
can
convert
CO
into
useful
compounds
at
room
temperature
and
ambient
pressure
by
using
electricity
derived
from
renewable
energy
source),
has
been
attracting
attention
in
recent
years.
This
is
because
it
compounds,
pertinent
to
establishing
a
next‐generation
recycling‐oriented
society.
However,
further
improvement
of
the
electrocatalyst
required
improve
its
activity,
selectivity,
durability.
Among
these,
copper
(Cu)
synthesize
various
hydrocarbons
most
studied
for
CRR
over
many
In
particular,
regarding
ligand‐protected
Cu
particles
CRR,
size,
shape,
ligands
prepared
chemical
be
precisely
controlled.
this
review,
we
summarize
previous
research
on
size‐dependence
(nanoparticles
nanoclusters)
liquid‐phase
reduction,
discuss
current
status
these
studies
researchers
CRR.
