Multi‐Dimensional Color Tunable Long Persistent Luminescence in Metal Halide‐Based CPs Through Precise Manipulation of Electronic and Steric Effects
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Regulating
strategies
for
long
persistent
luminescence
(LPL)
are
always
in
high
demand.
Herein,
a
series
of
coordination
polymers
(CPs)
(SUST-Z1-Z4)
fabricated
using
1,10-phenanthroline
derivatives
involving
different
substituents
(─H,
─CH
Язык: Английский
One-Dimensional Red Light–Emissive Organic Manganese(II) Halides as X-Ray Scintillators
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 19, 2024
Although
metal
halide-based
X-ray
scintillators
have
obtained
significant
development
with
adjustable
radioluminescent
spectral
range,
the
red
light-emitting
scintillator
has
been
sparsely
reported
and
remains
a
great
challenge
until
now.
To
remedy
this
research
blank,
we
investigated
scintillating
property
of
light-emissive
one-dimensional
(1D)
organic
manganese
halide
(MBIZ)(MnCl
Язык: Английский
Precise Single‐Atom Modification of Hybrid Lead Chlorides for Electron Donor‐Acceptor Effect and Enhanced Photocatalytic Aerobic Oxidation
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 25, 2024
Abstract
Hybrid
lead
halides
show
significant
potential
in
photocatalysis
due
to
their
excellent
photophysical
properties,
but
the
atomically
precise
modification
of
organic
component
achieve
synergistic
interactions
with
halide
units
remains
a
great
challenge.
Herein,
for
first
time,
we
have
employed
crystal
engineering
strategy
construct
class
single‐atom‐substituted
hybrid
electron
donor‐acceptor
(D‐A)
effect.
The
frameworks
consist
1D
linear
[PbCl]
+
chains
as
inorganic
building
and
benzoxadiazole/benzothiadiazole/
benzoselenadiazole‐funtionalized
dicarboxylates
linkers.
covalent
bonding
between
ligands
electron−withdrawing
groups
electron‐rich
not
only
facilitate
charge
separation,
also
enhance
structural
robustness
that
is
critical
photocatalysis.
D‐A
structured
serve
highly
efficient
heterogeneous
photooxidation
catalysts,
including
aerobic
oxidation
C(sp
3
)−H
bonds,
oxidative
coupling
primary
amines,
phenylboronic
acids
selective
sulfides
are
demonstrated
30
examples.
Importantly,
these
reactions
able
be
driven
by
natural
sunlight
ambient
air
afford
quantitative
yields.
Moreover,
our
photocatalysts
successful
fix
into
photocatalytic
flow
system,
which
enables
flow‐type
synthesis
high
value‐added
products
on
gram
scale.
Язык: Английский
Li, Na, and Cs-based metal-organic frameworks for room temperature phosphorescence applications
Science China Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Язык: Английский
Pressure‐Promoted Self‐Trapped Exciton Emission and White‐Light Harvesting in Lead Halide Metal–Organic Frameworks at Ambient Conditions
Laser & Photonics Review,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 8, 2025
Abstract
Lead
halide
metal−organic
frameworks
(MOFs)
possess
unique
advantages
in
preparing
single‐component
white‐light‐emitting
(WLE)
materials
due
to
their
broadband
emission
based
on
self‐trapping
excitons
(STEs).
However,
order
obtain
high‐quality
white
light
emission,
challenges
remain
adjusting
and
optimizing
the
color
temperature
coordinates
of
STE
emission.
Herein,
we
have
achieved
tunable
with
Commission
International
de
l'Eclairage
(0.32,
0.38)
5777
K
at
ambient
conditions
TMOF‐8(Cl)
through
pressure
treatment.
The
irreversible
lattice
distortion
after
treatment
reduces
distance
between
[PbCl]
+
unit
TDC
2−
unit.
enhanced
hydrogen
bonding
interactions
electronic
coupling
Pb‐
s
orbitals
ligand
energy
levels
turn
charge
transfer
(CT)
channel
from
Adjusting
degree
can
achieve
regulation
relative
intensity
CT
thereby
obtaining
This
study
provides
a
new
perspective
modulation
MOFs
platform
for
development
WLE
materials.
Язык: Английский
Engineering Solvent‐Coordinated Heterometallic–Organic Frameworks for Wide‐Range Tuning of Ultralong Room Temperature Phosphorescence toward Time‐Resolved Anticounterfeiting
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Metal-organic
frameworks
(MOFs)
have
been
proven
promising
ultralong
room
temperature
phosphorescence
(RTP)
materials
for
anti-counterfeit
due
to
their
unique
optical
properties.
However,
it
remains
a
major
challenge
achieve
the
desired
phosphorescent
properties
limited
regulatory
methods
and
indistinct
mechanism.
Herein,
coordination
solvent
second
metal
ion
co-strategy
is
firstly
proposed
prepare
seven
robust
heterometallic-organic
(HMOFs)
with
two
configurations:
ZnMg/Ca-sol
[sol
=
H2O,
dimethylformamide
(DMF),
dimethylacetamide
(DMA),
formyldiethylamine
(DEF)]
ZnSr/Ba-H2O,
exhibiting
different
RTP.
The
tunable
lifetimes
within
14.5-195.4
ms
are
achieved
gradually
by
altering
type
of
alkaline
earth
metals,
solvent,
hydrogen-bonding
in
HMOFs.
Significantly,
theoretical
calculations
reveal
that
promotion
spin-orbit
coupling
heavy
metals
rigid
constraint
on
skeleton
result
excellent
balance
between
high
quantum
yield
(ФP)
long
lifetime,
especially
ZnSr-H2O
(6.8%,
195.4
ms).
Depending
wide-range
tuning
RTP
great
stability,
HMOFs
successfully
applied
spatial-time
resolved
anti-counterfeiting
multi-level
information
encryption.
This
work
may
provide
new
approach
designing
target
while
resolving
contradiction
ФP
lifetime.
Язык: Английский
Engineering Solvent‐Coordinated Heterometallic–Organic Frameworks for Wide‐Range Tuning of Ultralong Room Temperature Phosphorescence toward Time‐Resolved Anticounterfeiting
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Abstract
Metal–organic
frameworks
(MOFs)
have
been
proven
promising
ultralong
room
temperature
phosphorescence
(RTP)
materials
for
anticounterfeit
due
to
their
unique
optical
properties.
However,
it
remains
a
major
challenge
achieve
the
desired
phosphorescent
properties
limited
regulatory
methods
and
indistinct
mechanism.
Herein,
coordination
solvent
second
metal
ion
costrategy
is
firstly
proposed
prepare
seven
robust
heterometallic–organic
(HMOFs)
with
two
configurations,
ZnMg/Ca‐sol
[sol
=
H
2
O,
dimethylformamide
(DMF),
dimethylacetamide
(DMA),
formyldiethylamine
(DEF)]
ZnSr/Ba‐H
O
,
exhibiting
different
RTP.
The
tunable
lifetimes
within
14.5–195.4
ms
are
achieved
gradually
by
altering
type
of
alkaline
earth
metals,
solvent,
hydrogen‐bonding
in
HMOFs.
Significantly,
theoretical
calculations
reveal
that
promotion
spin–orbit
coupling
heavy
metals
rigid
constraint
on
skeleton
result
excellent
balance
between
high
quantum
yield
(
Ф
P
)
long
lifetime,
especially
ZnSr‐H
(6.8%,
195.4
ms).
Depending
wide‐range
tuning
RTP
great
stability,
HMOFs
successfully
applied
spatial‐time
resolved
anticounterfeiting
multilevel
information
encryption.
This
work
may
provide
new
approach
designing
target
while
resolving
contradiction
lifetime.
Язык: Английский
Flexible Piezoelectric Nanogenerator with a Ferroelectric Metal–Ligand Cage for Self-Powered Sensor Applications
ACS Applied Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 22, 2025
Ferroelectric
materials
have
emerged
as
promising
candidates
for
piezoelectric
nanogenerators,
attributed
to
their
superior
energy
conversion
efficiency
derived
from
inherent
polarization
characteristics.
Polar
metal–ligand
assemblies
represent
advantageous
alternatives
conventional
inorganic
ceramics
and
organic
polymers,
offering
tunable
electronic
properties,
environmental
benignity,
enhanced
capabilities.
We
demonstrate
an
octahedral
[[Co6(H2O)12(TPTA)8](NO3)12·50H2O]
cage
assembly
exhibiting
pronounced
ferroelectric
behavior,
characterized
by
a
P–E
hysteresis
loop
with
remnant
of
6.84
μC
cm–2.
The
properties
1
were
unambiguously
confirmed
through
the
visualization
electrical
domains
in
single
crystals
crystalline
thin
films
via
piezoresponse
force
microscopy
(PFM).
Single-point,
bias-dependent
PFM
spectroscopy
measurements
revealed
characteristic
amplitude-butterfly
phase-hysteresis
loops,
substantiating
nature
material.
Piezoelectric
harvesting
investigations
conducted
on
polydimethylsiloxane
(PDMS)
composite
maximum
peak
output
voltage
12.20
V
power
density
14.85
μW
cm–2
optimized
20
wt
%
1-PDMS
device.
practical
utility
was
validated
implementation
smart
pressure
sensor,
wherein
mat
device,
constructed
five
parallel-connected
independent
devices,
successfully
functioned
sensor
capable
illuminating
commercial
LED
under
gentle
mechanical
stimulation.
These
findings
establish
potential
this
system
integration
into
self-powered
technologies.
Язык: Английский
Precise Single‐Atom Modification of Hybrid Lead Chlorides for Electron Donor‐Acceptor Effect and Enhanced Photocatalytic Aerobic Oxidation
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 25, 2024
Abstract
Hybrid
lead
halides
show
significant
potential
in
photocatalysis
due
to
their
excellent
photophysical
properties,
but
the
atomically
precise
modification
of
organic
component
achieve
synergistic
interactions
with
halide
units
remains
a
great
challenge.
Herein,
for
first
time,
we
have
employed
crystal
engineering
strategy
construct
class
single‐atom‐substituted
hybrid
electron
donor‐acceptor
(D‐A)
effect.
The
frameworks
consist
1D
linear
[PbCl]
+
chains
as
inorganic
building
and
benzoxadiazole/benzothiadiazole/
benzoselenadiazole‐funtionalized
dicarboxylates
linkers.
covalent
bonding
between
ligands
electron−withdrawing
groups
electron‐rich
not
only
facilitate
charge
separation,
also
enhance
structural
robustness
that
is
critical
photocatalysis.
D‐A
structured
serve
highly
efficient
heterogeneous
photooxidation
catalysts,
including
aerobic
oxidation
C(sp
3
)−H
bonds,
oxidative
coupling
primary
amines,
phenylboronic
acids
selective
sulfides
are
demonstrated
30
examples.
Importantly,
these
reactions
able
be
driven
by
natural
sunlight
ambient
air
afford
quantitative
yields.
Moreover,
our
photocatalysts
successful
fix
into
photocatalytic
flow
system,
which
enables
flow‐type
synthesis
high
value‐added
products
on
gram
scale.
Язык: Английский
Assembly and Valence Modulation of Ordered Bimetallic MOFs for Highly Efficient Electrocatalytic Water Oxidation
Molecules,
Год журнала:
2024,
Номер
29(24), С. 5845 - 5845
Опубликована: Дек. 11, 2024
Metal
synergy
can
enhance
the
catalytic
performance,
and
a
prefabricated
solid
precursor
guide
ordered
embedding,
of
secondary
metal
source
ions
for
rapid
synthesis
bimetallic
organic
frameworks
(MM'-MOFs)
with
stoichiometric
ratio
1:1.
In
this
paper,
Co-MOF-1D
containing
well-defined
binding
sites
was
synthesized
by
mechanical
ball
milling,
which
used
as
template
induced
introduction
Fe
to
successfully
assemble
Co1Fe1-MOF-74@2
(where
@2
denotes
template-directed
MOF-74).
Its
electrocatalytic
performance
is
superior
that
conventional
one-step-synthesized
Co1Fe1-MOF-74@1
@1
one-step
MOF-74),
two
sources,
Co
Fe,
close
Meanwhile,
iron
valence
states
(FeII
FeIII)
in
were
further
regulated
obtain
materials
Co1Fe1(II)-MOF-74@2
Co1Fe1(III)-MOF-74@2.
The
electrochemical
test
results
confirm
state
has
better
than
Co1Fe1(III)-MOF-74@2
oxygen
evolution
reaction
(OER)
process.
This
phenomenon
related
gradual
increase
Co1Fe1(II)-MOF-74@2,
promotes
continuous
improvement
MOF
before
reaching
optimal
steady
makes
OER
reach
optimum
when
FeII/FeIII
mixed-valence
reaches
certain
proportion.
provides
new
idea
directed
optimization
highly
efficient
catalysts.
Язык: Английский