Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(10), P. 4025 - 4029
Published: April 30, 2024
Two
zinc
complexes
with
stimuli-responsive
properties
have
been
realized
in
[Zn(L)2]
(1)
and
[Zn(L)2(py)]·py
(2)
(HL
=
N-(2-hydroxybenzylideneamino)-1,8-naphthalimide,
py
pyridine).
The
crystal-to-crystal
transformation
between
1
2
is
achieved
by
coordination/decoordination
of
pyridine,
leading
to
an
allosteric
effect
the
naphthalimide
fluorophore.
Thus,
this
pyridine-mediated
twisted
π-conjugated
nature
ligand
responsible
for
selective
reversible
fluorescent
switching,
which
offers
a
profound
insight
into
fascinating
field
solid-state
luminescence
materials
promotes
development
novel
materials.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
This
work
reports
a
rare
radical-doped
metal–organic
framework
(MOF)
crystal
with
one-dimensional
open
channels
achieved
by
coordination-driven
self-assembly.
X-ray
single-crystal
diffraction,
solid-state
UV–vis–NIR
diffuse
reflectance
spectroscopy,
and
electron
paramagnetic
resonance
analysis
were
used
to
clarify
its
unique
structure
why
many
organic
radicals
stably
exist
in
the
lattice.
The
study
shows
that
this
has
strong
intermolecular
cofacial
π–π
interactions,
narrow
optical
bandgap
(only
1.47
eV),
low
LUMO,
shallow
HOMO.
These
features
allow
an
inherent
charge
transfer,
leading
genetation
of
under
ambient
conditions.
Interestingly,
post-treatment
can
effectively
adjust
MOF.
Mechanical
grinding
quickly
reduces
number
radicals.
Then,
soaking
sample
N,N-dimethylformamide
solution
diphenylamine,
para-methylaniline,
or
carbazole
(as
donors),
physically
these
amine
molecules,
recover
reduced
some
degree.
Chinese Journal of Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Comprehensive
Summary
In
recent
years,
the
study
of
photochromic
behavior
phenothiazine
derivatives
has
not
only
enriched
variety
color‐changing
materials
but
also
provided
new
donor
molecules
for
construction
Förster
Resonance
Energy
Transfer
(FRET).
This
advancement
broadens
application
potential
and
offers
fresh
perspective
FRET
research.
Herein,
pillar[5]arene‐linked
biphenothiazine
derivative
(
DPP5
)
was
synthesized,
while
p
‐dibenzyl‐linked
DPDB
butyl‐linked
DPB
were
designed
comparative
study.
The
demonstrated
by
UV‐vis
spectra,
electron
paramagnetic
resonance
(EPR)
chemical
oxidation
method,
showing
transformation
molecule
into
radical
cation
•+
subsequently
dication
2+
.
Furthermore,
a
system
constructed
using
species
as
energy
Nile
red
(NiR)
acceptor.
introduction
guest
molecules,
1,6‐dibromohexane
1,6‐DBH
1,10‐dibromodecane
1,10‐DBD
),
above
enhanced
transfer
efficiency
increasing
aggregation
degree
utilizing
cavity
pillar[5]arene
through
host‐guest
interaction.
system,
along
with
strategy
to
enhance
properties,
will
contribute
development
novel
materials.
Small,
Journal Year:
2023,
Volume and Issue:
20(16)
Published: Nov. 30, 2023
Bismuth(III)-based
complexes
have
garnered
increasing
attention
in
fluorescence
sensing
due
to
their
environmentally
friendly
and
sustainable
characteristics.
A
Bismuth(III)
coordination
polymer
(CP),1-Cl
based
on
a
naphthalene
diimides(NDI)-pyridinium
is
synthesized
by
an
situ
reaction
method.
Notable
for
its
sensitivity
visible
light,
1-Cl
shows
excellent
photochromic
properties,
the
integration
of
NDI
pyridinium
one
ligand
makes
photogenerated
radicals
more
stable.
Structural
analysis
theoretical
calculations
are
employed
investigate
potential
pathway
photoinduced
electron
transfer
(ET)
during
process.
Notably,
aqueous
solutions,
displays
extraordinary
enhancement
response
bromide
ion
(Br
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 6, 2024
This
review
summarizes
recent
advances
in
naphthalene
diimide-based
crystalline
hybrid
photochromic
materials,
including
the
different
structures
types,
mechanism
and
their
applications
this
field.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Recent
progress
in
crystalline
naphthalenediimide/perylenediimide-based
hybrid
materials
for
heterogeneous
photocatalytic
organic
transformation
has
been
reviewed.