Chemistry - A European Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
In
applications
ranging
from
photon-energy
conversion
into
electrical
or
chemical
forms
(such
as
photovoltaics
photocatalysis)
to
numerous
sensor
technologies
based
on
organic
solids,
the
role
of
supramolecular
structures
and
chromophore
interactions
is
crucial.
This
review
comprehensively
examines
critical
intermolecular
between
dyes
their
impact
optical
properties.
We
explore
range
changes
in
absorption
emission
properties
observed
molecular
aggregates
compared
single
molecules.
Each
effect
dissected
reveal
its
physicochemical
foundations,
relevance
different
application
domains,
documented
examples
literature
that
illustrate
potential
modulation
by
structural
adjustments.
work
aims
serve
a
concise
guide
for
exploiting
phenomena
innovation
novel
optoelectronic
materials,
with
emphasis
strategic
exploitation.
Small,
Journal Year:
2020,
Volume and Issue:
16(31)
Published: June 29, 2020
Single-component
multicolor
luminescence,
particularly
phosphorescence
materials
are
highly
attractive
both
in
numerous
applications
and
in-depth
understanding
the
light-emission
processes,
but
formidable
challenges
still
exist
for
preparing
such
materials.
Herein,
a
very
facile
approach
is
reported
to
synthesize
carbon
dots
(CDs)
(named
MP-CDs)
that
exhibit
fluorescence
(FL),
more
remarkably,
long-lived
room
temperature
(RTP)
under
ambient
conditions.
The
FL
RTP
colors
of
CDs
powder
observed
change
from
blue
green
cyan
yellow,
respectively,
with
excitation
wavelength
shifting
254
420
nm.
Further
studies
demonstrate
emissions
can
be
attributed
existence
multiple
emitting
centers
relatively
higher
reaction
plays
critical
role
achieving
RTP.
Given
unique
optical
properties,
preliminary
application
MP-CDs
advanced
anti-counterfeiting
presented.
This
study
not
only
proposes
strategy
prepare
photo-stimulated
materials,
also
reveals
great
potentials
exploiting
novel
properties.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: June 17, 2022
Clusteroluminogens
refer
to
some
non-conjugated
molecules
that
show
visible
light
and
unique
electronic
properties
with
through-space
interactions
due
the
formation
of
aggregates.
Although
mature
systematic
theories
molecular
photophysics
have
been
developed
study
conventional
conjugated
chromophores,
it
is
still
challenging
endow
clusteroluminogens
designed
photophysical
by
manipulating
interactions.
Herein,
three
donor-acceptor
structures
different
halide
substituents
are
synthesized.
These
compounds
multiple
emissions
even
single-molecule
white-light
emission
in
crystalline
state.
The
intensity
ratio
these
easily
manipulated
changing
atom
excitation
wavelength.
Experimental
theoretical
results
successfully
disclose
nature
emissions:
conjugation
for
short-wavelength
fluorescence,
charge
transfer
based
on
secondary
long-wavelength
room-temperature
phosphorescence.
introduction
not
only
enriches
their
varieties
but
also
inspires
establishment
novel
aggregate
clusteroluminescence.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(11), P. 4019 - 4030
Published: Jan. 1, 2024
This
study
presents
a
new
type
of
boron
carrier
for
neutron
capture
therapy
that
integrates
imaging,
lung
cancer
targeting
drug
and
carborane,
showcases
an
impressive
therapeutic
efficacy
against
tumors
both
in
vitro
vivo
.
Journal of Materials Chemistry C,
Journal Year:
2022,
Volume and Issue:
10(13), P. 5024 - 5064
Published: Jan. 1, 2022
This
review
provides
a
critical
assessment
of
recently
developed
mechanochromic
luminogens
that
hypsochromically
shifted
their
emission
in
response
to
mechanical
stimuli.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(35)
Published: July 1, 2022
Abstract
New
strategies
are
in
high
demand
for
fast,
sensitive,
selective,
on‐site
and
real‐time
detection
of
the
important
but
challenging
alkane
vapors
owing
to
their
opto‐electronic
inertness.
Herein,
we
report,
first
time,
a
high‐performance
fluorescent
film
sensor
(FFS)
alkanes
with
rationally
designed
through‐space
charge
transfer
(TSCT)
molecule
as
sensing
fluorophore.
Steady‐state
fluorescence,
femto‐second
transient
absorption
spectroscopy
theoretical
studies
revealed
continuous
TSCT
dynamics
excited
U‐shaped
increasing
medium
polarity.
Furthermore,
interlocked,
face‐to‐face
alignment
between
donor
acceptor
favors
mass
transport
analyte
molecules
state.
As
anticipated,
compound‐based
FFS
showed
an
experimental
limit
≈10
ppm
n
‐pentane,
less
than
5
s
full
detection,
negligible
interference
super‐stability,
revealing
effectiveness
design
strategy.
Notably,
is
small
(≈3.7
cm
3
),
power‐saving,
workable
at
room
temperature.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
61(41)
Published: Aug. 18, 2022
Achieving
wide-range
tunable
emission
colors,
especially
in
the
solid
state
of
single-fluorophore
materials,
remains
a
significant
challenge.
Herein,
we
report
molecular
design
strategy
that
affords
excitation-dependent
emissions
spanning
over
≈230
nm
crystalline
states.
Under
donor-π-acceptor
configuration,
judiciously
choose
rotatable
acceptor
fragment,
o-carborane,
to
enrich
conformational
diversities
and
generate
conformation-dependent
multicolor
emissions.
We
further
show
this
platform
is
generalizable
creating
materials
with
Based
on
these
high-capacity
information
storage
device
finite-state
machine
were
fabricated
showcase
displays
storage.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(6), P. 3577 - 3587
Published: Feb. 6, 2023
Aromatic
polycyclic
systems
have
been
extensively
utilized
as
structural
subunits
for
the
preparation
of
various
functional
molecules.
Currently,
aromatics-based
are
predominantly
generated
from
extension
two-dimensional
(2D)
aromatic
rings.
In
contrast,
compounds
based
on
three-dimensional
(3D)
aromatics
such
boron
clusters
less
studied.
Here,
we
report
three
types
cluster-cored
tricyclic
molecular
systems,
which
constructed
a
2D
ring,
3D
nido-carborane,
and
an
alkyne.
These
new
can
be
facilely
accessed
by
Pd-catalyzed
B-H
activation
subsequent
cascade
heteroannulation
carborane
pyridine
with
alkyne
in
isolated
yield
up
to
85%
under
mild
conditions
without
any
additives.
Computational
results
indicate
that
newly
ring
fusion
carborane,
pyridyl
is
non-aromatic.
However,
not
only
leads
1H
chemical
shift
considerably
downfield
shifted
owing
strong
diatropic
current
embedded
but
also
devotes
new/improved
physicochemical
properties
including
increased
thermal
stability,
emergence
absorption
band,
largely
red-shifted
emission
band
enhanced
efficiency.
Besides,
number
bright,
color-tunable
solid
emitters
spanning
over
all
visible
light
obtained
absolute
luminescence
efficiency
61%,
contrast
aggregation-caused
quenching
of,
e.g.,
Rhodamine
B
containing
2D-aromatics-fused
structure.
This
work
demonstrates
hybrid
conjugated
might
promising
scaffolds
construction
