Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(5), С. 1313 - 1321
Опубликована: Янв. 1, 2024
This
Perspective
reviews
the
Magneto-Chiral
Dichroism
(MChD)
investigations
performed
on
chiral
lanthanide
complexes,
highlights
crucial
criteria
to
enhance
MChD
performances
and
presents
main
perspectives
of
this
emerging
field.
Abstract
Ultrasound‐induced
circularly
polarized
luminescence
(CPL)
was
achieved
using
planar
chiral,
binuclear
clothespin‐shaped
trans‐
bis(salicylaldiminato)platinum(II)
complexes.
Solutions
of
the
platinum(II)
complexes
anti
‐
1a–c
in
cyclohexane
immediately
transformed
into
stable
gels
upon
brief
ultrasound
irradiation.
The
exhibited
intense
phosphorescent
emissions
at
room
temperature,
whereas
none
solution
significant
under
UV
light
illumination.
Interestingly,
prepared
from
optically
pure
CPL
activity
temperature
with
an
anisotropy
factor
|
g
lum
=
1.5–2.6
×
10
−3
.
emissive
were
readily
converted
to
original
non‐emissive
heating
and
cooling
could
be
gelled
again
by
In
addition,
chromogenic
control
green
red
emission
can
simply
introducing
MeO
groups
different
positions
on
aromatic
rings.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(10), С. 3430 - 3436
Опубликована: Янв. 1, 2024
Red-MCPEL
could
be
emitted
from
an
MCP-OLED
containing
achiral
PtOEP
under
a
1.7-T
EMF.
The
degree
of
light
rotation
and
luminance
this
CP-OLED
can
amplified
through
the
synergistic
effects
reflection
reversal
ABSTRACT
The
simultaneous
presence
of
natural
and
magnetic
optical
activity
in
chiral
samples
is
a
very
interesting
occurrence,
but
it
may
lead
to
incorrect
data
interpretation
if
appropriate
care
not
taken.
Moving
from
simple
general
principles,
here
we
show
which
effects
are
possible
such
cases.
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy,
Год журнала:
2024,
Номер
319, С. 124583 - 124583
Опубликована: Июнь 1, 2024
A
historical
sketch
of
the
MCD
(magnetic
circular
dichroism)
spectroscopy
is
reported
in
its
experimental
and
theoretical
aspects.
MCPL
circularly
polarized
luminescence)
also
considered.
The
main
studies
are
presented
encompassing
porphyrinoid
systems,
aggregates
materials,
as
well
simple
organic
molecules
useful
for
advancement
interpretation.
chiral
systems
discussed
with
special
attention
to
new
natural
products
potential
pharmaceutical
valence,
including
Amaryllidaceae
alkaloids
related
isocarbostyrils.
Finally,
vibrational
form
MCD,
called
MVCD,
which
recorded
IR
part
spectrum
discussed.
final
brief
note
on
perspectives
given.
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(27)
Опубликована: Авг. 5, 2024
Abstract
Magnetic
circularly
polarized
luminescence
(MCPL)
is
a
technique
based
on
the
differential
emission
of
left
and
right
light
induced
by
magnetic
field.
This
counterpart
to
widely
explored
circular
dichroism.
In
this
work,
first
demonstration
MCPL
presented
in
heterometallic
lanthanide(III)
systems
using
two
molecular
cluster
aggregates,
{Eu
1
Tb
19
}
3
17
.
The
results
here
indicate
potential
that
holds
for
obtaining
highly
tuned
magneto‐optical
materials
various
applications,
such
as
anti‐counterfeiting
materials.
Additionally,
findings
suggest
interactions
between
ions
modulate
dissymmetry
factor,
opening
possibility
development
tunable
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(1)
Опубликована: Ноя. 14, 2023
Abstract
Chiral
materials
formed
by
aggregated
organic
compounds
play
a
fundamental
role
in
chiral
optoelectronics,
photonics
and
spintronics.
Nonetheless,
precise
understanding
of
the
molecular
interactions
involved
remains
an
open
problem.
Here
we
introduce
magnetic
circular
dichroism
(MCD)
as
new
tool
to
elucidate
structural
parameters
supramolecular
system.
A
detailed
analysis
MCD
together
with
electronic
spectra
combined
ab
initio
calculations
unveils
essential
information
on
geometry
energy
levels
self‐assembled
thin
film
made
carbazole
di‐bithiophene
molecule.
This
approach
can
be
extended
generality
help
rationalizing
leading
order.
turn
could
enable
better
structure–property
relationships,
resulting
more
efficient
material
design.
Angewandte Chemie,
Год журнала:
2023,
Номер
136(1)
Опубликована: Ноя. 14, 2023
Abstract
Chiral
materials
formed
by
aggregated
organic
compounds
play
a
fundamental
role
in
chiral
optoelectronics,
photonics
and
spintronics.
Nonetheless,
precise
understanding
of
the
molecular
interactions
involved
remains
an
open
problem.
Here
we
introduce
magnetic
circular
dichroism
(MCD)
as
new
tool
to
elucidate
structural
parameters
supramolecular
system.
A
detailed
analysis
MCD
together
with
electronic
spectra
combined
ab
initio
calculations
unveils
essential
information
on
geometry
energy
levels
self‐assembled
thin
film
made
carbazole
di‐bithiophene
molecule.
This
approach
can
be
extended
generality
help
rationalizing
leading
order.
turn
could
enable
better
structure–property
relationships,
resulting
more
efficient
material
design.
