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: Feb. 7, 2025
Designing
and
developing
novel
photochromic
materials
with
additional
functions
such
as
photothermal
conversion
photocatalysis
are
challenging
but
meaningful
objectives.
Crystalline
naphthalenediimide
(NDI)-based
hybrids
an
attractive
class
of
multifunctional
fast-response
photoinduced
electron
transfer
charge
separation
properties.
They
promising
photocatalysts.
Herein,
a
hybrid
material,
EuPMo11O39(L)1.5(H2O)2]·DMA
(EuMo-NDI)
(L
=
N,N'-di(1-oxido-4-pyridyl)-1,4,5,8-naphthalenediimide),
was
prepared
solvothermal
method,
integrating
photoactive
NDI
derivative
Eu-substituted
polyoxometalate.
EuMo-NDI
exhibits
0D
structure
sensitive
behavior
under
UV-vis
light
irradiation
due
to
between
its
components.
The
colored
sample
demonstrated
efficient
near-infrared
the
strong
absorption
photogenerated
radical
anion
NDI•-
mixed
valence
heteropoly
blue
in
region.
Meanwhile,
is
easily
excited
presence
donors
form
species,
which
can
activate
inert
O2
superoxide
O2•-.
exhibited
high
photocatalytic
activity
for
C-3
thiocyanation
indoles
mild
conditions
using
white
driving
force.
This
work
provides
effective
avenue
design
photocatalysts
platforms.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(13), P. 5852 - 5864
Published: March 20, 2024
Four
kinds
of
polyoxometalate
(POM)-viologen
compounds
were
synthesized
by
hydrothermal
method,
namely
(1–cby)2·[H2(SiMo12O40)]·2H2O
(1),
(1–cby)2·[H2(SiW12O40)]·2H2O
(2),
(1–cby)2·(1,1′–bcby)2·{H4[Co4(H2O)2(PW9O34)2]}·12H2O
(3),
(1–cby)·(1,1′–bcby)·[H(α–PW11O39)CoII(1–cby)]·8H2O
(4)
(1–cby·Br
=
1–Cyclopropylmethyl–[4,4′]bipyridinyl–1–ium
bromide,
1,1′–bcby·Br
1,1′–Bis-cyclopropylmethyl–[4,4′]bipyridinyl–1–ium
bromide).
These
four
POM-viologen
exhibit
one-dimensional
supramolecular
network
structures.
Especially,
compound
3
contains
a
rare
sandwich
POM
subunit
{Co4(H2O)2(PW9O34)2}10–.
can
be
used
as
color-changing
materials,
and
they
all
noticeable
color
changes
upon
exposure
to
light,
heat,
electricity.
The
discoloration
mechanism
involves
viologen
derivatives
with
electron-deficient
properties
accepting
electrons
from
electron-rich
under
external
stimulation,
leading
the
formation
free
radicals.
Among
them,
1
2
also
have
good
for
ink-free
erasable
printing,
double
anticounterfeiting,
ultraviolet
detector
because
their
rapid
response
(UV)
light.
In
addition,
1–4
show
different
in
detection
volatile
amines.
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(16), P. 5185 - 5195
Published: Jan. 1, 2024
A
naphthalenediimide-based
hybrid
material
was
designed
and
prepared,
which
exhibits
NIR
photothermal
conversion
promotes
the
photocatalytic
hydroxylation
of
arylboronic
acids
C-3
thiocyanation
indoles.
Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(62)
Published: Aug. 16, 2023
Abstract
Inkless
and
erasable
printing
(IEP)
based
on
chromic
materials
holds
great
promise
to
alleviate
environmental
sustainable
problems.
Metal–organic
polymers
(MOPs)
are
bright
platforms
for
constructing
IEP
materials.
However,
it
is
still
challenging
design
target
MOPs
with
excellent
specific
functions
rationally
due
the
intricate
component‐structure‐property
relationships.
Herein,
an
effective
strategy
was
proposed
rational
IEP‐MOP
The
stimuli‐responsive
viologen
moiety
introduced
into
construction
of
give
potential
behaviors
two
different
coordination
models
(i.
e.
bilateral
model,
M
1
;
unilateral
coordinated
2
)
same
ligand
were
designed.
Aided
by
theoretical
calculations,
model
recommended
secondarily
as
a
more
suitable
system
Along
this
line,
representative
viologen‐Zn
II
synthesized
successfully.
Experiments
exhibit
that
does
have
quicker
stimuli
response,
stronger
color
contrast
longer
radical
lifetime
compared
.
Significantly,
obtained
1‐IEP
media
brightly
inherits
characteristics
flexibility
paper
at
time,
which
achieves
most
daily
requirements,
well
enough
resolution
durability
be
used
in
identification
smart
device.
