Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Metal-organic
frameworks
(MOFs)
are
a
class
of
materials
composed
coordinative
interactions
between
metal
ions
and
organic
linkers,
encompassing
two-dimensional
(2D),
three-dimensional
(3D)
architectures.
cages
(MOCs),
special
case
these
species,
discrete
molecular
"capsules"
with
zero-dimensional
(0D)
structures.
Over
the
last
two
decades,
MOFs
MOCs
perylene
(P)
diimide
(PDI)
linkers
have
gained
much
attention
due
to
their
versatile
properties,
which
can
be
further
enhanced
after
incorporation
into
frameworks.
This
minireview
highlights
recent
progress
in
construction
application
P/PDI-based
coordination
framework
materials.
The
text
offers
an
overview
synthesis
P/PDI
proceeds
integration
different
dimensionalities
-
2D
3D
MOFs,
0D
MOCs,
then
explores
potential
applications.
These
include
sensing,
photocatalysis,
electrochemical
devices
photothermal
conversion
focus
on
apparent
structure-property
relationships.
Finally,
challenges
future
prospects
P/PDI-derived
will
addressed.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(22), С. 25369 - 25379
Опубликована: Ноя. 4, 2024
With
the
accelerated
progression
of
modern
society,
artificial
colorants
are
utilized
extensively
for
their
attractive
coloration.
Herbicides
applied
widely
to
control
unwanted
plants
in
agricultural
fields
which
cause
toxic
effects
on
human
health
and
environment.
The
increased
utilization
these
chemicals
has
necessitated
development
a
highly
sensitive
sensor
that
can
selectively
identify
chemicals.
In
this
study,
we
explored
nanoscale
Zr(IV)-based
metal–organic
framework
(MOF)
(1′)
as
fluorescence
toward
precise
recognition
food
colorant
tartrazine
herbicide
metamitron.
quenching
efficiency
1′
metamitron
was
93
88%,
respectively.
limit
detection
found
be
5.7
nM
13.7
metamitron,
remarkably
lower
than
other
reported
sensors.
Moreover,
quick
response
time
(<10
s
<20
metamitron)
recyclable
property
made
it
promising
candidate
real-world
application.
Furthermore,
various
matrices,
displayed
very
good
recovery
percentage.
This
study
also
highlights
potential
real-time
different
environmental
water
systems
variety
pH
media.
Additionally,
have
prepared
cost-effective,
user-friendly
Zr(IV)
MOF-embedded
chitosan
paper
composite
hands-on
tartrazine.
We
elaborately
investigated
mechanisms
fluorometric
sensing
with
several
instrumental
techniques.
Adsorption
capacity
measured
showed
fast
adsorption
(<1
min).
It
over
90%
selectivity
presence
commonly
occurring
cations
anions.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 25, 2024
Neonicotinoid
insecticides
(NNIs)
are
extensively
utilized
globally
because
of
their
efficient
and
broad-spectrum
properties.
However,
residues
also
distributed
in
the
environment.
Herein,
MIL-101-SO
Chemosensors,
Год журнала:
2024,
Номер
12(7), С. 116 - 116
Опубликована: Июнь 22, 2024
Perfluoroalkyl
and
polyfluoroalkyl
substances
(PFAS)
are
pollutants
of
concern
due
to
their
long-term
persistence
in
the
environment
human
health
effects.
Among
them,
perfluorooctane
sulfonic
acid
(PFOS)
is
very
ubiquitous
dangerous
for
health.
Currently,
detection
levels
required
by
legislation
can
be
achieved
only
with
expensive
laboratory
equipment.
Hence,
there
a
need
portable,
in-field,
possibly
real-time
detection.
Optical
electrochemical
transduction
mechanisms
mainly
used
chemical
sensors.
Here,
we
report
first
gravimetric
small-sized
molecules
like
PFOS
(MW
500)
dissolved
water.
A
100
MHz
quartz
crystal
microbalance
(QCM)
measured
at
third
harmonic
an
even
more
sensitive
434
two-port
surface
acoustic
wave
(SAW)
resonator
gold
electrodes
were
as
transducers.
The
selective
sensing
layer
was
prepared
from
metal
organic
framework
(MOF)
MIL-101(Cr).
Its
nano-sized
thickness
structure
optimized
using
discreet
Langmuir–Blodgett
(LB)
film
deposition
method.
This
time
that
LB
multilayers
bulk
MOFs
have
been
prepared.
frequency
downshifts
around
220
kHz
per
1
µmol/L
PFOS,
SAW
resonator-loaded
QL-factor
above
2000,
reaction
times
minutes’
range
highly
promising
in-field
sensor
reaching
water
safety
directives.
Additionally,
use
micrometer-sized
interdigitated
strongly
enhance
impedance
spectroscopy
(EIS)
contamination.
Thus,
time,
combine
ultra-sensitive
gravimetry
small
electrical
measurements
on
single
device.
combination
provides
additional
selectivity.
Control
tests
against
bare
two
similar
compounds
prove
concept’s
viability.
All
performed
pocket-sized
tablet-powered
devices,
thus
making
system
portable
field-deployable.
While
here
focus
one
emerging
contaminants,
this
concept
different
coating
other
new
contaminants.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Metal-organic
frameworks
(MOFs)
are
a
class
of
materials
composed
coordinative
interactions
between
metal
ions
and
organic
linkers,
encompassing
two-dimensional
(2D),
three-dimensional
(3D)
architectures.
cages
(MOCs),
special
case
these
species,
discrete
molecular
"capsules"
with
zero-dimensional
(0D)
structures.
Over
the
last
two
decades,
MOFs
MOCs
perylene
(P)
diimide
(PDI)
linkers
have
gained
much
attention
due
to
their
versatile
properties,
which
can
be
further
enhanced
after
incorporation
into
frameworks.
This
minireview
highlights
recent
progress
in
construction
application
P/PDI-based
coordination
framework
materials.
The
text
offers
an
overview
synthesis
P/PDI
proceeds
integration
different
dimensionalities
-
2D
3D
MOFs,
0D
MOCs,
then
explores
potential
applications.
These
include
sensing,
photocatalysis,
electrochemical
devices
photothermal
conversion
focus
on
apparent
structure-property
relationships.
Finally,
challenges
future
prospects
P/PDI-derived
will
addressed.
