Science for energy and environment.,
Journal Year:
2024,
Volume and Issue:
unknown, P. 8 - 8
Published: Nov. 1, 2024
Review
Advancements
in
Luminescent
Metal-Organic
Cages:
Applications
and
Future
Prospects
Osama
Younis
1,2,*,
Xiangyun
Xiao
1,
Jianxun
Yang
3,
Kamal
I.
Aly
4,
Etify
A.
Bakhite
Xinchun
1,*
1
Institute
of
Technology
for
Carbon
Neutrality,
Shenzhen
Advanced
(SIAT),
Chinese
Academy
Sciences
(CAS),
518055,
China
2
Chemistry
Department,
Faculty
Science,
New
Valley
University,
El-Kharga
72511,
Egypt
3
Three
Gorges
Daofu
Renewables
Co.,
Ltd.
Ganzi
626700,
4
Assiut
Asyut
71516,
*
Correspondence:
[email protected]
(O.Y.);
[email protected]
or
[email protected]
(X.Y.)
Received:
19
September
2024;
Revised:
12
October
Accepted:
25
Published:
November
2024
Abstract:
Researchers
worldwide
are
developing
innovative
luminescent
systems
with
exceptional
features
like
high
sensitivity.
frameworks
based
on
aggregation-induced
emission
(AIE)
have
emerged
as
promising
candidates
various
applications.
Over
the
past
decade,
porous
materials
metal-organic
cages
(MOCs)
incorporating
AIE
luminogens
(AIEgens)
demonstrated
performance.
Chirality
plays
a
significant
role
specific
non-racemic
systems,
particularly
circularly
polarized
luminescence
(CPL).
Chiral
organic
coordinated
metals,
including
MOCs,
gained
importance
they
combine
ligands
coordination-bonded
metal
centers,
enabling
design
novel
structures
CPL.
These
shown
exciting
potential
applications
fields
CPL-OLED,
chiral
recognition,
sensing.
This
review
article
provides
an
overview
recent
progress
emissive
materials,
specifically
their
possible
Additionally,
focuses
AIEgen-based
cages,
CPL-active
non-AIEgen-based
practical
sensing
enantioselectivity,
future
prospects.
Key
challenges
AIE-based
POCs
MOCs
include
limited
stability,
affecting
use
wide-surface
thin
films,
need
to
understand
molecular
structure
topology
impacts.
efforts
should
enhance
efficiency
explore
sensing,
supramolecular
assemblies,
bioimaging,
optoelectronics,
driving
innovation
smart
materials.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(7), P. 3486 - 3498
Published: Feb. 8, 2024
An
exceptional
Zinc(II)-organic
framework
with
the
formula
[{Zn(L4-py)(bdc)}·DMF]n
(Zn-MOF)
has
been
constructed
solvothermally
using
a
novel
linker
L4-py
{2,7-bis(3-(pyridin-4-ylethynyl)phenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone},
coligand
H2bdc
(1,4-benzenedicarboxylic
acid),
and
ZnBF4·xH2O.
The
ligand
fabricated
after
functionalization
of
NDA
(1,4,5,8-naphthalenetetracarboxylic
dianhydride)
core
3-(pyridin-4-ylethynyl)phenyl
group.
single-crystal
X-ray
analysis
reveals
that
Zn-MOF
exhibits
comprehensive
three-dimensional
(3D)
architecture
features
(4)-connected
uninodal
dia;
4/6/c1;
sqc6
topology
point
symbol
{66}
two-dimensional
(2D)
+
2D,
parallel
polycatenation.
Notably,
displayed
excellent
fluorescence
phenomenon
stability
in
water
as
well
methanol
solvents
was
harnessed
versatile
sensor,
demonstrating
selective
sensitive
molecular
recognition
flame
retardants
antibiotics.
57
49.5%
quenching
efficiency
for
flame-retardant
pentabromophenol
(PBP)
3,3′,5,5′-tetrabromobisphenol
A
(TBPA),
respectively.
Whereas
an
outstanding
90%
observed
antibiotics,
tetracycline
(TC)
secnidazole
(SD).
mechanistic
investigations
this
luminescence
suggest
might
be
primarily
occurring
via
Fourier
resonance
energy
transfer
(FRET)
photoinduced
electron
(PET)
mechanisms,
which
assisted
by
competitive
absorption
host–guest
interactions.
π-electron-rich
structure
sensor
activates
mechanism.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 462 - 462
Published: Jan. 21, 2025
Metal–organic
cages
(MOCs)
are
discrete
supramolecular
entities
consisting
of
metal
nodes
and
organic
connectors
or
linkers;
MOCs
noted
for
their
high
porosity
processability.
Chemically,
they
can
be
post-synthetically
modified
(PSM)
new
functional
groups
introduced,
presenting
attractive
qualities,
it
is
expected
that
properties
will
differ
from
those
the
original
compound.
This
why
highly
regarded
in
fields
biology
chemistry.
The
present
review
deals
with
current
PSM
strategies
used
MOCs,
including
covalent,
coordination,
noncovalent
methods
structural
benefits.
main
emphasis
this
to
show
what
extent
under
circumstances
a
MOC
designed
obtain
tailored
geometric
architecture.
Although
sometimes
unclear
when
examining
systems,
particularizing
design
systematic
approaches
development
characterization
families
provides
insights
into
structure–function
relationships,
which
guide
future
developments.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(51)
Published: Oct. 27, 2023
Metal-organic
cages
(MOCs)
are
popular
host
architectures
assembled
from
ligands
and
metal
ions/nodes.
Assembling
structurally
complex,
low-symmetry
MOCs
with
anisotropic
cavities
can
be
limited
by
the
formation
of
statistical
isomer
libraries.
We
set
out
to
investigate
use
primary
coordination-sphere
engineering
(CSE)
bias
selectivity
within
homo-
heteroleptic
Pd
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(34), P. 12112 - 12118
Published: Jan. 1, 2023
Three
isomorphic
Ln–MOFs
(Tb:
HNU-82,
Eu:
HNU-83,
La:
HNU-84)
were
synthesized
and
used
to
construct
a
white
fluorescenct
MOF
(Eu0.015Tb0.037La0.148-TCA).
In
addition,
HNU-82
can
be
applied
detect
nitrofurazone
nitrofurantoin
in
water.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(43)
Published: July 14, 2023
The
interest
in
capsular
assemblies
such
as
dynamic
organic
and
coordination
cages
has
blossomed
over
the
last
decade.
Given
their
chemical
structural
variability,
these
systems
have
found
applications
diverse
fields
of
research,
including
energy
conversion
storage,
catalysis,
separation,
molecular
recognition,
live-cell
imaging.
In
exploration
potential
discrete
architectures,
they
are
increasingly
being
employed
formation
more
complex
smart
materials.
This
Review
highlights
most
promising
pathways
to
overcome
common
drawbacks
cage
(stability,
recovery)
discusses
strategies
for
hybridization
with
featuring
various
dimensionalities.
Following
description
recent
advances
fabrication
zero
three-dimensional
cage-based
systems,
this
will
provide
reader
structure-dependent
relationship
between
properties
