Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(37), P. 17127 - 17133
Published: Sept. 3, 2024
Color-tunable
room
temperature
phosphorescence
(RTP)
materials
possess
potential
applications
in
multicolor
imaging,
multichannel
anticounterfeiting,
and
information
encryption.
Herein,
we
synthesized
two
zero-dimensional
cadmium-organic
halides,
(H-aepy)
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
The
simultaneous
generation
and
stabilization
of
triplet
excitons
are
the
key
to
realizing
efficient
organic
room
temperature
phosphorescence
(RTP),
which
is
challenging
owing
obscure
mechanism
structure-property
relationships.
Herein,
a
strategy
lone-pair-mediated
multiple
through-space
interactions
(TSIs)
proposed
availably
induce
RTP.
By
incorporating
heteroatoms
facilitate
n-n
n-π
interactions,
lone
pairs
delocalized
throughout
structure,
resulting
in
dense
splitting
excited-state
energy
levels.
Thus,
more
matched
levels
with
small
gap
between
singlet
states
(ΔEST)
emerge,
intersystem
crossing
(ISC)
transition
channels
that
assist
generation.
strong
TSIs
also
effectively
rigidify
molecular
structures
thus
stabilize
for
radiation.
Furthermore,
manipulation
TSI
intensity
allows
efficiency
enhancement,
persistent
time
prolongation,
tolerance
high
temperatures
This
work
not
only
explores
fundamental
principle
RTP
from
new
view
but
provides
universal
ISC
promotion
triple
stabilization.
Phosphorescent
materials
have
potential
applications
in
anticounterfeiting
and
optoelectronics,
but
their
luminescence
is
generally
quenched
at
elevated
temperatures.
Herein,
a
synergistic
locking
strategy
has
been
developed
to
achieve
high-temperature
phosphorescence
(HTP)
of
carbon
dot
(CD)
composites.
Impressively,
the
CD
composites
retain
over
90%
75%
intensity
temperatures
up
110
170
°C,
respectively.
Even
higher
than
persists
for
5
s,
demonstrating
remarkable
stabilization
triplet
excitons.
Experimental
theoretical
results
revealed
that
this
outstanding
thermal
resistance
stems
from
effect
interlayer
covalent
bridges
multiple
hydrogen
bonding
interface.
Furthermore,
by
adjusting
degree
graphitization,
multicolor
HTP
ranging
blue
red
achieved
This
work
not
only
provides
facile
versatile
way
construct
CD-based
also
expands
heat-resistant
display
environments.
CrystEngComm,
Journal Year:
2024,
Volume and Issue:
26(35), P. 4751 - 4765
Published: Jan. 1, 2024
The
article
highlights
the
recent
developments
on
some
interesting
optical
traits
of
organic
charge
transfer
complexes.
Properties
like
room
temperature
phosphorescence,
thermally
activated
delayed
fluorescence,
circularly
polarised
luminescence,
etc.
,
are
summarized.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(37), P. 17127 - 17133
Published: Sept. 3, 2024
Color-tunable
room
temperature
phosphorescence
(RTP)
materials
possess
potential
applications
in
multicolor
imaging,
multichannel
anticounterfeiting,
and
information
encryption.
Herein,
we
synthesized
two
zero-dimensional
cadmium-organic
halides,
(H-aepy)