Authorea (Authorea),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 30, 2024
Text:The
heavy
metal
ion
pollution
has
become
one
of
the
most
serious
environmental
problems,
which
promotes
continuous
exploration
new
materials
and
methods
to
achieve
efficient
detection
ions.
Luminescent
MOFs
(LMOFs)
featuring
designable
functional
structures
tunable
luminescence
properties
exhibit
excellent
potential
for
recognition
Herein,
a
Cd(II)-based
MOF
{[Cd
2(2F-bpdc)
2(tib)]}
n
(
NKM-103)
(tib=1,3,5-tris(1-imidazolyl)benzene,
2F-H
2bpdc=
3,3',5,5'-azobenzenetetracarboxylic
acid)
been
designed
synthesized
successfully.
Derived
from
characteristic
ligand
with
conjugated
units,
NKM-103
shows
well
fluorescence
emission
performance
as
sensor
detecting
both
Fe(III)
cations
Cr(VI)
anions
(Cr
2O
7
2-
CrO4
2-)
through
turn-off
effect.
Moreover,
all
three
kinds
ions
low
limit
high
selectivity.
The Innovation,
Journal Year:
2025,
Volume and Issue:
6(2), P. 100778 - 100778
Published: Jan. 18, 2025
Traditional
fossil
fuels
significantly
contribute
to
energy
supply,
economic
development,
and
advancements
in
science
technology.
However,
prolonged
extensive
use
of
has
resulted
increasingly
severe
environmental
pollution.
Consequently,
it
is
imperative
develop
new,
clean,
pollution-free
sources
with
high
density
versatility
as
substitutes
for
conventional
fuels,
although
this
remains
a
considerable
challenge.
Simultaneously,
addressing
water
pollution
critical
concern.
The
design,
optimization
functional
nanomaterials
are
pivotal
advancing
new
solutions
pollutant
remediation.
Emerging
porous
framework
materials
such
metal-organic
frameworks
(MOFs)
covalent
organic
(COFs),
recognized
exemplary
crystalline
materials,
exhibit
potential
applications
due
their
specific
surface
area,
adjustable
pore
sizes
structures,
permanent
porosity,
customizable
functionalities.
This
work
provides
comprehensive
systematic
review
the
MOFs,
COFs,
derivatives
emerging
technologies,
including
oxygen
reduction
reaction,
evolution
hydrogen
lithium-ion
batteries,
remediation
carbon
dioxide
reaction
management.
In
addition,
strategies
performance
adjustment
structure-effect
relationships
these
explored.
Interaction
mechanisms
summarized
based
on
experimental
discussions,
theoretical
calculations,
advanced
spectroscopy
analyses.
challenges,
future
prospects,
opportunities
tailoring
presented.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Regulating
the
energy
level
of
a
lanthanide
(III)
metal–organic
framework
(Ln-MOF)
via
an
"antenna
effect"
is
effective
strategy
for
achieving
ratiometric
luminescent
dynamics
carcinoid
biomarker
sensing
application.
Herein,
we
present
europium-based
MOF
material
{[Eu(BPDC)(μ3–OH)(H2O)2]·2.5H2O}n
(Eu-MOF,
H2BPDC
=
2,2′-bipyridine-4,4′-dicarboxylic
acid
and
DMF
N,N-dimethylformamide),
incorporating
tetranuclear
cubane-like
[Eu4(μ3–OH)4(COO)4]4–
cluster
cores,
5-hydroxyindole-3-acetic
(5-HIAA)
detection
through
influence
Eu3+
ions
sensitized
by
ligands
as
well
5-HIAA.
Luminescence
titration
experiments
indicate
Eu-MOF
can
demonstrate
simultaneous
luminescence
emission
signals
cations
5-HIAA,
resulting
in
on–off
5-HIAA
response
to
concentrations
demonstrating
superior
stability
excellent
performance
such
low
limit
(LOD
37.16
nM),
high
selectivity
(Ksv
2.39
×
104
M–1),
fast
(≤1
min),
attractive
recyclability
(≥five
times).
Derived
from
contribution
competitive
absorption
coordination
interactions
between
exhibits
visually
observable
color
change
red
purple
naked
eye
illuminated
ultraviolet
light,
confirmed
fabrication
portable
hydrogels.
More
importantly,
smartphone
assistance
based
on
RGB
chromaticity
analysis
has
been
developed
intelligent
Eu-MOF@PVA
Eu-MOF@PU
films
have
proposed
real-time
visual
thereby
enhancing
practical
applicability
quantitative
trace
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 26, 2025
ABSTRACT
A
two‐dimensional
(2D)
zinc(II)
coordination
polymer
CP‐1
,
[Zn(im
2
bod)(bdc)]
n
(im
bod
=
4,6‐bis(imidazol‐1‐yl)‐2,1,3‐benzoxadiazole,
bdc
2−
1,4‐benzenedicarboxylate),
was
synthesized
and
fully
characterized.
crystallizes
in
the
monoclinic
crystal
system,
space
group
P
1
/n.
Zn
2+
ions
adopt
a
four‐coordinated
distorted
tetrahedral
geometry.
The
structure
of
comprises
layer
consisting
cations
connected
by
im
ligands.
adjutant
layers
participate
π‐π
stacking
interactions
via
benzene
2,1,3‐benzoxadiazole
rings.
demonstrated
blue
emission
with
maximum
at
490
nm
photoluminescence
quantum
yield
24%.
Luminescent
sensing
properties
aqueous
suspension
toward
metal
were
evaluated,
selective
quenching
response
observed
Ga
3+
limit
detection
10
μM.
Langmuir,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 13, 2024
Heavy
metal
ion
wastewater
is
a
pressing
and
inescapable
issue
that
closely
related
to
human
health
ecological
security
due
its
toxicity,
carcinogenicity,
the
unmanageable
property
of
this
type
wastewater.
Metal–Organic
Frameworks
(MOFs)
are
class
crystalline
nanoporous
materials
with
flexible
designability
controllability,
showing
great
potential
in
field
adsorption
purification
heavy
metals
In
Perspective,
we
first
discuss
harm
different
ions
briefly
expound
virtues
MOFs
for
pollutant
adsorption.
Then,
mainly
summarize
recent
advances
construction
metal-based
(Zr-based,
Zn-based,
Co-based,
Al-based,
etc.)
their
research
progress
Furthermore,
various
types
MOF
additives
can
often
be
effectively
applied
by
functional
modification
or
other
composition.
Additionally,
several
commonly
used
kinetics
isotherm
models
also
detailed
help
an
in-depth
understanding
mechanism.
Finally,
challenges
opportunities
additionally
discussed,
review
may
provide
new
insight
water
applications.
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: Feb. 21, 2025
ABSTRACT
One‐dimensional
coordination
polymer
La‐CP
,
{[La(H
2
O)
(HL
O
)
(L
)]·H
O}
n
containing
a
new
luminescent
ligand
4,7‐di(4‐carboxypyrazol‐1‐yl)‐2,1,3‐benzoxadiazole
(H
L
was
synthesized.
Upon
excitation
at
400
nm,
the
compound
shows
strong
emission
with
maximum
550
nm
high
photoluminescence
quantum
yield
of
43%.
demonstrates
sensing
properties
toward
aluminum
and
gallium
cations,
as
well
dihydrogen
phosphate
sulfate
anions
through
enhancement
response.
The
limits
detection
were
0.42,
0.70,
0.37,
0.40
μM,
respectively.
is
first
example
sensor
for
anion
among
all
types
polymers.
uptake
analytes
under
conditions
evaluated,
absorption
result
such
proposed
probable
response
mechanism.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(22), P. 25805 - 25814
Published: Oct. 31, 2024
Developing
a
sensitive,
rapid,
and
accurate
method
for
the
quantitative
visual
detection
of
anthrax
biomarker
dipicolinic
acid
(DPA)
is
great
significance
to
human
health
public
safety.
Due
presence
"antenna
effect",
sensitization
Eu3+
ions
Tb3+
can
be
facilely
achieved
by
organic
ligands
with
different
degrees
exhibits
excellent
luminescence
behavior
ions,
enabling
dual-centered
lanthanide
metal–organic
framework
(Ln-MOF)
promising
ratiometric
fluorescence
sensor
trace
DPA
determination.
Herein,
we
present
series
nanoporous
frameworks,
denoted
as
{EuxTb1–x(BPDC)(μ3-OH)(H2O)·H2O·DMF}n
(EuxTb1–x-BPDC)
assembled
2,2′-bipyridine-4,4′-dicarboxylic
(H2BPDC),
sensors
DPA.
Among
these,
Eu0.5Tb0.5-BPDC
stands
out
optimal
material,
exhibiting
superior
performance
quantitative,
visual,
detection.
Moreover,
demonstrates
stability
in
aqueous
solution
capability
remarkable
sensitivity
(limit
(LOD)
=
0.608
μM),
selectivity
(Ksv
6.46
×
106
M–1),
anti-interference,
impressive
reusability.
contribution
blocked
energy
transfer
between
mixed-lanthanide
competitive
absorption
DPA,
color
change
observation
from
red
greenish-yellow
under
illumination
ultraviolet
light.
Most
importantly,
colorimetric
test
strips
portable
hydrogels,
facilitating
practical
application
