Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 751 - 751
Published: April 25, 2024
The
quest
for
economically
sustainable
electrocatalysts
to
replace
critical
materials
in
anodes
the
oxygen
evolution
reaction
(OER)
is
a
key
goal
electrochemical
conversion
technologies,
and,
this
context,
metal-organic
frameworks
(MOFs)
offer
great
promise
as
alternative
electroactive
materials.
In
study,
series
of
nanostructured
was
successfully
synthesized
by
growing
tailored
Ni-Fe-based
MOFs
on
nitrogen-doped
graphene,
creating
composite
systems
named
MIL-NG-n.
Their
growth
tuned
using
molecular
modulator,
revealing
non-trivial
trend
properties
function
modulator
quantity.
most
active
material
displayed
an
excellent
OER
performance
characterized
potential
1.47
V
(vs.
RHE)
reach
10
mA
cm
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 20, 2024
Abstract
A
fish‐bone‐shaped
and
thermochemically
stable
2D
metal‐organic
framework
(MOF)
with
multimodal
active
center‐decked
pore‐wall
is
devised.
Redox‐active
[Co
2
(COO)
4
]
node
thiazolo[5,4‐d]thiazole
functionalization
benefit
this
mixed‐ligand
MOF
exhibiting
electrochemical
water
oxidation
375
mV
overpotential
at
10
mA
cm
−2
current
density
78
per
dec
Tafel
slope
in
alkaline
medium.
Pair
of
oppositely
oriented
carboxylic
acids
aids
postmetalation
transition
metal
ions
to
engineer
heterobimetallic
materials.
Notably,
Ni
2+
grafted
triple‐redox
composite
reduces
270
twofold
declined
than
the
parent
MOF,
ranking
among
best‐reported
values,
outperforming
majority
related
catalysts.
Significantly,
turnover
frequency
charge
transfer
resistance
display
35.5
1.4‐fold
upsurge,
respectively,
much
uplifted
chronopotentiometric
stability
increase
surface
area
owing
synergistic
Co(II)–Ni(II)
coupling.
The
simultaneous
presence
─COOH
nitrogen‐rich
moieties
renders
hydrogen‐bonded
as
acid–base
catalyst
for
recyclable
deacetalization‐Knoevenagel
reaction
>99%
product
yield
under
solvent‐free
mild
condition.
Besides
control
experiments,
unique
role
hydrogen‐bond
donor
site
substrate
activation
validated
from
comparing
performances
molecular‐shearing
approach‐derived
structurally
similar
unfunctionalized
composite.
To
best
tandem
Knoevenagel
condensation,
larger‐sized
acetal
exhibits
poor
α,β‐unsaturated
dicyanides,
demonstrates
pore‐fitting‐mediated
size‐selectivity.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(11), P. 4937 - 4951
Published: Jan. 1, 2024
CPM-37
MOFs
demonstrate
enhanced
stability
for
mixed
metal
variants,
which
ensure
favorable
local
charge
distribution/balance.
The
decomposition
of
these
leads
to
oxides
with
lower
Tafel
slope
in
the
OER
than
RuO
2
benchmark.
CrystEngComm,
Journal Year:
2024,
Volume and Issue:
26(11), P. 1613 - 1619
Published: Jan. 1, 2024
This
work
presents
a
strategy
of
early-and-late
transition
metal
combination
to
provide
new
pathways
for
efficient
water
splitting
catalyst
development.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 751 - 751
Published: April 25, 2024
The
quest
for
economically
sustainable
electrocatalysts
to
replace
critical
materials
in
anodes
the
oxygen
evolution
reaction
(OER)
is
a
key
goal
electrochemical
conversion
technologies,
and,
this
context,
metal-organic
frameworks
(MOFs)
offer
great
promise
as
alternative
electroactive
materials.
In
study,
series
of
nanostructured
was
successfully
synthesized
by
growing
tailored
Ni-Fe-based
MOFs
on
nitrogen-doped
graphene,
creating
composite
systems
named
MIL-NG-n.
Their
growth
tuned
using
molecular
modulator,
revealing
non-trivial
trend
properties
function
modulator
quantity.
most
active
material
displayed
an
excellent
OER
performance
characterized
potential
1.47
V
(vs.
RHE)
reach
10
mA
cm
