Chemistry Letters,
Год журнала:
2024,
Номер
53(12)
Опубликована: Ноя. 29, 2024
Abstract
We
compare
the
calculated
spin
structures
of
magnetic
metal-organic
frameworks
consisting
paddlewheel-type
diruthenium
complexes
and
tetracyano-p-quinodimethane
derivatives
using
density
functional
theory
calculations
with
Gaussian
basis
sets
DFT
+
U/plane-wave
under
periodic
conditions.
The
results
indicate
that
asymmetricity
inside
[Ru2]
unit
disappears
in
systems.
In
addition,
based
on
partial
analysis,
electron
conductivity
would
be
switchable
by
changing
states
frameworks.
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 465 - 488
Опубликована: Янв. 3, 2025
Metal–organic
frameworks
(MOFs)
boast
high
crystallinity,
porosity,
and
tunability,
making
them
highly
promising
materials
for
various
applications.
However,
most
MOFs
are
intrinsically
electrical
insulators,
limiting
their
use
in
electronic
energy
technologies.
Electrically
conductive
metal–organic
(EC-MOFs)
have
emerged
as
a
subclass
of
that
overcome
such
limitations
by
imparting
conductivity
while
preserving
the
advantageous
properties
conventional
MOFs.
This
advancement
expands
potential
applications
to
include
electrocatalysts,
capacitors,
storage
devices,
chemiresistive
sensors,
field-effect
transistors,
electrochromic
devices.
challenges
associated
with
processing
solid-state
materials,
fabrication
options
optimal
often
overlooked.
Review
focuses
on
recent
advancements
EC-MOF
applications,
emphasizing
chemical
design
principles
state-of-the-art
techniques.
We
aim
provide
insights
into
designing
fabricating
EC-MOFs
targeted
inspire
further
bridge
chemistry
practical
unlocking
full
EC-MOFs.
Abstract
Molecular
electronics
exhibiting
resistive‐switching
memory
features
hold
great
promise
for
the
next
generation
of
digital
technology.
In
this
work,
electrosynthesis
ruthenium
polypyridyl
nanoscale
oligomeric
films
is
demonstrated
on
an
indium
tin
oxide
(ITO)
electrode
followed
by
ITO
top
contact
deposition
yielding
large‐scale
(junction
area
=
0.7
×
cm
2
)
two
terminal
molecular
junctions.
The
junctions
exhibit
non‐volatile
resistive
switching
at
a
relatively
lower
operational
voltage,
±1
V,
high
ON/OFF
electrical
current
ratio
(≈10
3
),
low‐energy
consumption
(SET/RESET
27.94/14400
nJ),
good
cyclic
stability
(>300
cycles),
and
speed
25
ms/20
ms).
A
computational
study
suggests
that
accessible
frontier
orbitals
metal‐complex
to
Fermi
level
electrodes
facilitate
charge
transport
bias
filamentformation.
An
extensive
analysis
performed
performance
binary
neural
networks
exploiting
current‐voltage
devices
as
synaptic
weights
exploring
their
potential
neuromorphic
logic‐in‐memory
implementation
IMPLICATION
(IMPLY)
operation
which
can
realize
universal
gates.
comprehensive
indicates
proposed
redox‐active
complex‐based
device
may
be
promising
candidate
high‐density
data
storage,
energy‐efficient
with
software‐level
accuracy,
implementations.
Dalton Transactions,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Semiconductor
metal
oxides
detect
H
2
even
at
the
ppm
level
but
need
high
temperatures
and
oxygen.
MOFs/COFs
higher
concentrations,
work
lower
temperatures,
perform
very
well
under
inert
conditions.
Abstract
Recently,
2D
metal‐organic
frameworks
(2D
MOFs),
characterized
by
complex
charge
transfer
mechanisms,
have
emerged
as
a
promising
class
of
networks
in
the
development
advanced
materials
with
tailored
electronic
and
magnetic
properties.
Following
successful
synthesis
MOF
formed
nickel
(Ni)
linkers
7,7,8,8‐tetracyanoquinodimethane
(TCNQ)
ligands,
this
work
investigates
how
Ni‐to‐ligand
ratio
influences
redistribution
an
Ag(100)‐supported
MOF.
The
interplay
between
linker‐ligand
substrate‐MOF
processes
leads
to
stable
equilibrium,
resulting
robust
structure
that
remains
independent
stoichiometric
ratios.
This
stability
is
primarily
based
on
electron
from
metal
substrate,
which
compensates
for
imbalances
introduced
coordination
across
different
configurations.
Despite
minor
changes
observed
response
Ni
centers,
these
findings
emphasize
robustness
structure,
largely
unaffected
structural
variations,
highlighting
potential
MOFs
applications
electronics
spintronics.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Abstract
Phthalocyanine
(PC)‐based
metal–organic
frameworks
(MOFs)
hold
substantial
promise
for
applications
in
energy
storage,
sensing,
and
catalysis
due
to
their
robust
stability
enhanced
electron
transfer
capabilities.
However,
synthesizing
phthalocyanine
linkers
with
precise
geometries
presents
a
significant
challenge,
which
limits
prevalence
the
field.
Traditional
methods
typically
employ
readily
synthesized
tetratopic
PC
realizing
PC‐based
MOFs.
In
response,
study
an
innovative
approach
using
ditopic
ABAB‐phthalocyanine
MOF
linkers.
The
A
B
building
blocks
synthesis
are
deliberately
designed
circumvent
issues
of
statistical
condensation.
These
then
utilized
fabrication
zinc‐based
surface‐anchored
(SURMOF)
thin
films.
structural
electronic
properties
these
SURMOFs
explored
through
series
detailed
experimental
computational
methods,
including
X‐ray
diffraction,
scanning
microscopy
(SEM),
density
functional
theory
(DFT)
calculations.
UV–Vis
spectroscopy
reveals
improvements
absorption,
thereby
enhancing
material's
performance
light
harvesting
conversion.
Furthermore,
photodetector
built
this
novel
linker
demonstrates
high
efficacy
long‐wavelength
region
(780
nm),
highlighting
its
potential
cutting‐edge
sensing
technologies.
