Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(9), P. 4233 - 4248
Published: Feb. 20, 2024
Indium-based
metal–organic
frameworks
(In-MOFs)
have
now
become
an
attractive
class
of
porous
solids
in
materials
science
and
electrochemistry
due
to
their
diverse
structures
promising
applications.
In
the
field
proton
conduction,
find
more
crystalline
MOFs
with
splendid
proton-conductive
properties,
herein,
five
three-dimensional
isostructural
In-MOFs,
MIL-68-In
or
MIL-68-In-X
(X
=
NH2,
OH,
Br,
NO2)
using
terephthalic
acid
(H2BDC)
functionalized
acids
(H2BDC-X)
as
multifunctional
linkages
were
efficiently
fabricated.
First,
outstanding
structural
stability
MOFs,
including
thermal
water
stability,
was
verified
by
analysis
powder
X-ray
diffraction.
Subsequently,
H2O-mediated
conductivities
(σ)
fully
assessed
compared.
Notably,
σ
evinced
a
significant
positive
correlation
between
temperature
relative
humidity
(RH)
varied
functional
groups
on
organic
ligands.
Impressively,
highest
values
are
up
10–3–10–4
S/cm
(100
°C/98%
RH)
change
this
order:
MIL-68-In-OH
(1.72
×
10–3
S/cm)
>
MIL-68-In-NH2
(1.70
MIL-68-In-NO2
(4.47
10–4
MIL-68-In-Br
(4.11
(2.37
S/cm).
Finally,
computed
activation
energy
under
98
68%
RHs
assessed,
related
conduction
mechanisms
speculated.
Moreover,
after
electrochemical
testing,
these
illustrate
remarkable
rigidity,
laying
meritorious
material
foundation
for
future
The Analyst,
Journal Year:
2024,
Volume and Issue:
149(5), P. 1381 - 1397
Published: Jan. 1, 2024
Metal-organic
frameworks
(MOFs)
are
novel
inorganic-organic
hybridized
crystals
with
a
wide
range
of
applications.
In
the
last
twenty
years,
fluorescence
sensing
based
on
MOFs
has
attracted
much
attention.
can
exhibit
luminescence
from
metal
nodes,
ligands
or
introduced
guests,
which
provides
an
excellent
response
in
sensing.
However,
single-signal
emitting
susceptible
to
interference
concentration,
environment,
and
excitation
intensity,
resulting
poor
accuracy.
To
overcome
shortcomings,
dual-emission
MOF-based
ratiometric
sensors
have
been
proposed
rapidly
developed.
this
review,
we
first
introduce
mechanisms,
synthetic
methods,
detection
mechanisms
MOFs,
highlight
strategies
for
constructing
classify
them
into
three
categories:
intrinsic
single-emission
luminescent
non-emission
other
materials.
Then,
summarize
recent
advances
various
analytical
industries.
Finally,
discuss
current
challenges
prospects
future
development
these
sensors.
Small,
Journal Year:
2023,
Volume and Issue:
20(20)
Published: Dec. 10, 2023
Abstract
Metal–organic
frameworks
(MOFs),
as
a
subclass
of
porous
crystalline
materials
with
unique
structures
and
multifunctional
properties,
play
pivotal
role
in
various
research
domains.
In
recent
years,
significant
attention
has
been
directed
toward
composite
based
on
MOFs,
particularly
MOF‐on‐MOF
heterostructures.
Compared
to
individual
MOF
materials,
harness
the
distinctive
attributes
two
or
more
different
enabling
synergistic
effects
allowing
for
tailored
design
diverse
multilayered
architectures
expand
their
application
scope.
However,
rational
facile
synthesis
are
principle
challenging
due
structural
diversity
intricate
interfaces.
Hence,
this
review
primarily
focuses
elucidating
factors
that
influence
interfacial
growth,
specific
emphasis
engineering
heterogeneous
reactions,
which
hybrids
can
be
conveniently
obtained
by
using
pre‐fabricated
precursors.
These
categorized
internal
external
elements,
encompassing
inorganic
metals,
organic
ligands,
lattice
matching,
nucleation
kinetics,
thermodynamics,
etc.
Meanwhile,
these
intriguing
offer
wide
range
advantages
fields,
such
adsorption,
separation,
catalysis,
energy‐related
applications.
Finally,
highlights
current
complexities
challenges
while
providing
forward‐looking
perspective
future
directions.
