CrystEngComm,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Four
naphthalenediimide-based
iodine-containing
zinc
coordination
polymers
are
fabricated
and
exhibit
adjustable
electronic
photoresponsive
behaviors
by
the
manipulation
of
their
interfacial
contacts.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(44), P. 16184 - 16188
Published: Jan. 1, 2023
Various
naphthalenediimide
(NDI)
based
electron
donor-acceptor
coordination
polymers
(D-A
CPs)
have
been
constructed
and
used
to
explore
charge
transfer
(CT)
(ET)
behaviors.
Up
now,
significant
progress
has
made
in
the
interface
contact
ability
matching
mechanism,
while
electronic
density
effect
of
donors
on
CT
ET
behaviors
is
still
not
known.
Herein,
two
NDI-based
D-A
CPs,
[Cd2(H2NDI)(IPA)2(H2O)2]
(1)
[Cd2(H2NDI)(IPA-OH)2(H2O)2]
(2),
are
using
an
ligand
aromatic
carboxylic
acid
ligands
(H2NDI
=
2,7-bis(3,5-dimethyl)
dipyrazol-1,4,5,8-naphthalene
tetracarboxydiimide,
H2IPA
isophthalic
acid;
H2IPA-OH
5-hydroxyisophthalic
acid).
UV-vis
EPR
spectroscopy
DFT
calculations
analyses
reveal
that
occurrence
themal
(TET)
1
2
results
from
HOMO
IPA
IPA-OH
lying
higher
than
LUMO
NDI.
Meanwhile,
compared
1,
absorption
spectrum
exhibits
a
red
shift,
which
suggests
donor
more
pathways
beneficial
for
intermolecular
CT.
After
UV
light
irradiation,
comparison
photochromic
behavior
confirms
negative
stronger
photoinduced
(PET).
The
present
study
illustrates
delicate
modulating
CPs.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(5), P. 2662 - 2671
Published: Jan. 1, 2024
This
work
reports
the
first
instance
of
X-ray-induced
photochromism
in
core-shell
silver
nanoclusters
induced
by
spatial
charge
transfer
between
halogen
atoms
and
shell.
Inorganic Chemistry,
Journal Year:
2023,
Volume and Issue:
62(37), P. 14912 - 14921
Published: Sept. 5, 2023
By
the
combination
of
N,N'-bis(carboxymethyl)-pyromellitic
diimide
(H2CMPMD,
1)
and
zinc
ions,
a
novel
PMD-based
coordination
polymer
(CP),
[Zn(CMPMD)(DMF)1.5]·0.5DMF
(2)
(DMF
=
N,N'-dimethylformamide),
has
been
prepared
characterized.
1
2
exhibit
completely
different
photochromic
properties,
which
are
mainly
reflected
in
photoresponsive
rate
(5
s
for
vs
2)
coloration
contrast
(from
colorless
to
light
green
2).
This
phenomenon
should
be
attributed
introduction
ions
consequent
formation
distinct
interfacial
contacts
electron
donors
(EDs)
acceptors
(EAs)
(dn-π
3.404
3.448
Å
dn-π
3.343,
3.359,
3.398,
3.495
2),
suggesting
subtle
modulating
effect
metal
on
contacts,
photoinduced
intermolecular
transfer
(PIET)
behaviors.
Interestingly,
performance
can
enhanced
after
removal
coordinated
DMF,
might
ascribed
decrease
distance
EDs/EAs
caused
by
lattice
shrinkage,
further
improves
efficiency
PIET.
Meanwhile,
displays
rapid
electrochromic
behavior
with
an
obvious
reversible
color
change
from
green,
used
device.
work
develops
new
type
EA
construction
stimuli-responsive
functional
materials
excellent
dual
photo-/electrochromic
properties.
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
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(30), P. 10531 - 10536
Published: Jan. 1, 2023
An
NDI-based
Co(
ii
)-OIMH
represents
a
new
combination
of
functional
materials,
demonstrating
both
thermosalient
effects
in
the
solid
state
and
sensing
abilities
for
ammonia
through
changes
color
magnetism.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(34), P. 12030 - 12037
Published: Jan. 1, 2023
The
introduction
of
aromatic
carboxylic
acids
with
different
conjugation
degrees
can
regulate
the
electronic
and
subsequent
photo-responsive
behaviors
naphthalenediimide-based
coordination
polymers.