Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(62), P. 9501 - 9504
Published: Jan. 1, 2023
A
novel
uranyl
organic
framework
(U-hdpcp)
based
on
flexible
cyclic
triphosphazene
polycarboxylate
ligands
was
prepared,
which
possesses
the
ability
to
sense
aromatic
aldehyde
solutions
(benzaldehyde,
salicylaldehyde
and
2-bromobenzaldehyde)
nitro
compounds
(2,4,6-trinitrophenol,
2,4-dinitrophenol
o-nitrophenol).
fluorescent
thin
film
U-hdpcp@PVA
with
vapors
prepared
via
a
spin
coating
method.
The
work
expands
library
of
UOF
materials
large-sized
carboxylic
acid
demonstrates
promising
applications
in
field
sensors.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1854 - 1884
Published: Jan. 1, 2024
This
review
provides
an
overview
of
different
strategies
to
improve
the
ion
transport
MOF/polymer
composite
electrolytes
and
stabilize
electrode/electrolyte
interface.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(4), P. 2574 - 2582
Published: Jan. 17, 2024
Two-dimensional
conjugated
metal–organic
frameworks
(2D
c-MOFs)
have
attracted
increasing
interest
in
electronics
due
to
their
(semi)conducting
properties.
Charge-neutral
2D
c-MOFs
also
possess
persistent
organic
radicals
that
can
be
viewed
as
spin-concentrated
arrays,
affording
new
opportunities
for
spintronics.
However,
the
strong
π-interaction
between
neighboring
layers
of
layer-stacked
annihilates
active
spin
centers
and
significantly
accelerates
relaxation,
severely
limiting
potential
qubits.
Herein,
we
report
precise
tuning
charge
transport
dynamics
via
control
interlayer
stacking.
The
introduction
bulky
side
groups
on
ligands
enables
a
significant
dislocation
from
serrated
stacking
staggered
stacking,
thereby
spatially
weakening
interactions.
As
consequence,
electrical
conductivity
decreases
by
6
orders
magnitude,
while
density
achieves
more
than
30-fold
increase
spin–lattice
relaxation
time
(T1)
is
increased
up
∼60
μs,
hence
being
superior
reference
with
compact
stackings
whose
too
fast
detected.
Spin
results
reveal
spinless
polaron
pairs
or
bipolarons
play
critical
roles
these
c-MOFs.
Our
strategy
provides
bottom-up
approach
enlarging
c-MOFs,
opening
pathways
developing
MOF-based
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(2), P. 1146 - 1156
Published: Jan. 9, 2024
To
achieve
efficacious
photocatalytic
overall
water
splitting,
surface
modification
of
photocatalysts
with
proficient
cocatalysts
for
hydrogen
evolution
reaction
(HER)
is
imperative.
NiBHT,
a
conductive
two-dimensional
coordination
polymer
(2D
CP),
or
2D
metal–organic
framework
MOF),
endowed
remarkable
chemical
stability
and
HER
selectivity,
emerged
as
promising
candidate
an
cocatalyst.
However,
the
bulky
morphology
NiBHT
hampered
its
performance.
Here,
we
demonstrate
strategy
to
miniaturize
by
incorporating
benzene-1,2-dithiol
(BDT)
ligand,
yielding
nanoparticles
(NiBHT-NP).
Beyond
morphology,
empirical
evidence
unveiled
alterations
in
electronic
state
catalytic
activity
NiBHT-NP,
ramifications
BDT
modulation
on
intrinsic
characteristics
are
elucidated
through
density
functional
theory
(DFT)
calculations.
As
model
system,
CoOx/SrTiO3:Al
photocatalyst
NiBHT-NP
exhibited
apparent
quantum
efficiency
(AQE)
10.3%
at
365
nm
splitting.
This
pioneering
work
showcases
that
modulator
ligand
may
manipulate
state,
behavior
CPs,
holding
prodigious
potential
developing
more
effective
CP-based
cocatalysts.
