Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(11)
Published: Jan. 12, 2022
Conventional
square-planar
platinum
complexes
typically
form
one-dimensional
assemblies
as
a
result
of
unidirectional
metallophilic
and/or
π⋅⋅⋅π
intermolecular
interactions.
Organoplatinum(II)
with
cruciform
shape
are
presented
herein
to
construct
two-dimensional
(2D)
microcrystals
full-color
and
white
phosphorescence.
These
2D
crystals
show
unique
monocomponent
stacking,
from
either
the
cyclometalating
or
noncyclometalating
ligand,
bicomponent
alternate
stacking
both
ligands
along
different
facet
directions.
Anisotropic
tri-directional
waveguiding
is
further
implemented
on
single
hexagonal
microcrystal.
results
demonstrate
great
capability
organoplatinum(II)
general
platform
fabricate
phosphorescent
micro-/nanocrystals
for
advanced
photonic
applications.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(32)
Published: June 1, 2023
Abstract
Highly
adjustable
photonic
modules
were
constructed
based
on
the
heterostructures
crystals
of
a
new
series
donor‐acceptor
metal–organic
framework
(D‐A
MOF)
featuring
highly
tunable
thermally
activated
delayed
fluorescence
(TADF).
By
introducing
N‐phenylcarbazole
and
derivatives
as
donor
guests
into
acceptor
host
NKU‐111,
through‐space
charge
transfer
TADF
could
be
achieved
through
engineering
heavy
atom
effect,
which
result
in
modulatable
emission
wavelength
(540
to
600
nm)
enhanced
quantum
yield
(up
30.86
%).
Furthermore,
by
rationally
integrating
D‐A
MOFs
with
distinctive
emissions,
rod‐like
excitation
position
dependent
tip
emissions
wide
range
(495
598
fabricated,
serve
potential
for
circuit
applications.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(36)
Published: July 15, 2023
A
series
of
covalent
organic
cages
built
from
fluorophores
capable
aggregation-induced
emission
(AIE)
were
elegantly
prepared
through
the
reduction
preorganized
M2
(LA
)3
(LB
)2
-type
metallacages,
simultaneously
taking
advantage
synthetic
accessibility
and
well-defined
shapes
sizes
good
chemical
stability
as
well
bright
AIE
fluorophores.
Moreover,
could
be
further
post-synthetically
modified
into
an
amide-functionalized
cage
with
a
higher
quantum
yield.
Furthermore,
these
presented
proved
to
energy
donors
used
construct
light-harvesting
systems
employing
Nile
Red
acceptor.
These
displayed
efficient
transfer
relatively
high
antenna
effect,
which
enabled
their
use
photocatalysts
for
dehalogenation
reaction.
This
research
provides
new
avenue
development
luminescent
photocatalysis.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 20, 2024
Directional
control
of
photon
transport
at
micro/nanoscale
holds
great
potential
in
developing
multifunctional
optoelectronic
devices.
Here,
the
switchable
anisotropic/isotropic
is
reported
a
double-dipole
metal-organic
framework
(MOF)
based
on
radical-controlled
energy
transfer.
Double-dipole
MOF
microcrystals
with
transition
dipole
moments
perpendicular
to
each
other
have
been
achieved
by
pillared-layer
coordination
strategy.
The
transfer
between
double
dipolar
chromophores
can
be
modulated
photogenerated
radicals,
which
permits
situ
output
both
polarization
(isotropy/anisotropy
state)
and
wavelength
information
(blue/red-color
emission).
On
this
basis,
original
microcrystal
isotropic
state
displays
similar
reabsorption
losses
various
directions,
while
radical-affected
anisotropic
shows
distinct
different
finally
leading
transport.
These
results
offer
novel
strategy
for
development
MOF-based
photonic
devices
tunable
performance.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 25, 2025
Cryptochiral
compounds
are
indispensable
in
biology
systems
and
medical
applications,
yet
the
development
of
high-performance
detection
method
remains
challenging.
Here,
we
report
a
hinge-like
dinuclear
Pt(II)
complex
as
stereodynamic
probe
for
cryptochirality
sensing.
This
features
constrained,
closed
conformation
achieved
through
synergistic
intramolecular
π
−
stacking
metal-metal
interactions
between
cyclometalated
wings.
The
shows
robust
chiroptical
response
to
center-to-axial
chiral
induction
during
rapid
condensation
with
cryptochiral
that
adopts
more
energetically
favorable
conformation.
resulting
intense
Cotton
effects
at
long
wavelengths
enable
in-situ
circular
dichroism
analysis
determinate
absolute
configuration
enantiometric
composition
molecules.
Furthermore,
near-infrared
phosphorescence
characteristics
hinge
have
been
explored
develop
it
an
optical
sensor
accurate
quantification
With
its
dual
CD
capabilities,
this
great
potential
high-throughput
screening
analysis.
authors
complexes
probes
Frontiers in Chemistry,
Journal Year:
2020,
Volume and Issue:
8
Published: June 12, 2020
Circularly
polarized
luminescence
(CPL)
has
been
under
intense
research
for
future
applications
in
high
resolution
3D
display,
smart
sensors
and
information
technologies.
Different
types
of
CPL
materials
have
developed,
but
neither
the
handedness
nor
asymmetrical
degree
can
be
inferred
from
material
composition
or
components.
with
switchable
emission
wavelength
play
an
important
role,
reducing
need
repetitive
bottom-up
synthesis.
Herein
will
presented,
behaviors
towards
multiple
reported
stimuli,
including
light
irradiation,
host-guest
interaction,
metal
ions,
pH,
solvent,
temperature,
etc.
This
summary
discussion
effective
stimuli
is
aimed
to
promote
rational
exploration
boost
related
multidisciplinary
applications.
The Journal of Physical Chemistry Letters,
Journal Year:
2020,
Volume and Issue:
11(24), P. 10504 - 10510
Published: Dec. 7, 2020
The
photoluminescence
properties
of
organic
fluorescent
materials
in
the
solid
state
are
closely
related
to
their
aggregation
structures.
Herein,
we
present
an
molecule
9,10-bis(2,2-di(4-fluorophenyl)vinyl)anthracene
(BDFVA)
with
two
crystal
polymorphisms
provide
ideal
molecular
model
for
understanding
nature
luminescence
from
J-
and
X-aggregates.
Detailed
structural
photophysical
studies
reveal
that
both
X-aggregate
crystals
exhibit
enhanced
emission
comparison
corresponding
dilute
solution
because
crystallization-induced
enhancement
(CIEE).
Additionally,
(B-phase)
crossed
packing
exhibits
a
higher
fluorescence
efficiency
(ΦF
=
0.60),
giving
1.4-fold
promotion
ΦF
compared
J-aggregate
(G-phase)
staggered
split
excited
states
all
optically
allowed
X-aggregate.
Optical
waveguide
experiments
show
excellent
amplified
spontaneous
(ASE),
demonstrating
promising
potential
application
solid-state
lasers.
ChemPhysMater,
Journal Year:
2022,
Volume and Issue:
1(4), P. 281 - 293
Published: May 23, 2022
Photosynthesis
is
the
basis
for
survival
of
organisms
in
nature;
consequently,
fabrication
artificial
light-harvesting
systems
(LHSs)
that
simulate
natural
photosynthesis
significant
interest.
Recently,
a
variety
LHSs
have
been
successfully
constructed
using
fluorescence
resonance
energy
transfer
(FRET).
However,
it
crucial
to
fabricate
with
sequential
process
when
considering
photosynthetic
involves
multistep
rather
than
simple
one-step
transfer.
Moreover,
many
previously
reported
used
as
imaging
agents
cell
labeling
and
bioimaging
or
catalysts
photocatalytic
reactions,
showing
promise
applications
simulating
photosynthesis.
In
this
review,
we
summarized
recently
published
representative
work
on
LHSs.
addition,
application
photocatalysis
has
described
detail.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(51)
Published: Oct. 10, 2022
Abstract
Heavy‐atom‐containing
clusters,
nanocrystals,
and
other
semiconductors
can
sensitize
the
triplet
states
of
their
surface‐bonded
chromophores,
but
energy
loss,
such
as
nonradiative
deactivation,
often
prevents
synergistic
light
emission
in
solid‐state
coassemblies.
Cocrystallization
allows
new
combinations
molecules
with
complementary
properties
for
achieving
functionalities
not
available
single
components.
Here,
cocrystal
formation
that
employs
platinum(II)
acetylacetonate
(
Pt(acac)
2
)
a
sensitizer
electron‐deficient
1,4,5,8‐naphthalene
diimides
(NDIs)
organic
phosphors
is
reported.
The
hybrid
cocrystals
exhibit
room‐temperature
phosphorescence
confined
low‐lying,
long‐lived
state
NDIs
photoluminescence
(PL)
quantum
yield
(Φ
PL
exceeding
25%
lifetime
(τ
Ph
156
µs.
This
remarkable
property
benefits
from
noncovalent
electronic
spin–orbital
coupling
between
constituents.
