Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
Controlled
manipulation
of
photons/electrons
at
micro/nanoscale
holds
the
key
to
development
versatile
optoelectronics
devices.
However,
current
photonics
devices
are
primarily
constructed
from
simple
low‐dimensional
structures,
which
suffer
limited
structural
design
freedom
due
planar
processing
scheme,
impeding
further
performance
improvement
and
functionality
upgrades.
Herein,
first
3D
hydrogen‐bonded
organic
framework
(HOF)
branched
homostructure
with
spatial
positioned
multi‐input/output
optical
channels
for
photon
is
reported.
The
free‐standing
HOF
homostructures
prepared
by
a
steric
engineering
strategy,
involves
multinucleation‐assisted
growth
mechanism.
hierarchical
Y‐type
X‐type
exhibit
asymmetrical
transport
behaviors,
showing
applications
in
logic
gates
single
or
dual
ON/OFF
functionality,
respectively.
Moreover,
multiple
spatially
distributed
input/output
displays
asymmetric
transport,
functions
as
photonic
signal
logics.
These
results
offer
novel
strategy
HOF‐based
manipulation.
Zeitschrift für anorganische und allgemeine Chemie,
Journal Year:
2024,
Volume and Issue:
650(5-6)
Published: Jan. 24, 2024
Abstract
Hydrogen‐bonded
organic
frameworks
(HOFs)
represent
an
emerging
class
of
porous
crystalline
materials,
have
attracted
growing
interest
in
the
field
fluorescence
sensing
area
due
to
their
distinctive
luminescent
characteristics,
large
surface
and
abundant
recognition
sites.
Herein,
material
HOF‐BTB‐NH
2
featuring
one‐dimensional
pore
structure
was
successfully
synthesized
through
hydrogen‐bonding
self‐assembly
using
building
molecule
2,4,6‐Tris(4‐carboxyphenyl)aniline
(BTB‐NH
)
methanol.
showed
excellent
sensitivity
selectivity
for
metal
ion
Cu
2+
anion
CO
3
2−
,
limits
detection
(LOD)
reached
0.23
μM
0.33
μM,
respectively.
In
addition,
employed
as
a
biosensing
highly
selective
sensitive
dopamine
(DA).
The
synthesis
performance
greatly
expanded
application
hydrogen‐bonded
framework
materials
sensing.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(47), P. 6063 - 6066
Published: Jan. 1, 2024
In
this
study,
a
benzoselenadiazole-
and
pyridine-bifunctionalized
hydrogen-bonded
arylamide
foldamer
was
synthesized.
A
co-crystallization
experiment
with
1,4-diiodotetrafluorobenzene
showed
that
new
type
of
supramolecular
double
helices,
which
were
induced
by
three
orthogonal
interactions,
namely,
three-center
hydrogen
bonding
(O⋯H⋯O),
I⋯N
halogen
Se⋯N
chalcogen
bonding,
have
been
constructed
in
the
solid
state.
This
work
presents
novel
instance
multiple
non-covalent
interactions
together
to
construct
architectures.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(35), P. 14336 - 14343
Published: Jan. 1, 2024
The
polymorphic
self-correction
from
a
metastable
phase
to
stable
one
often
occurs
and
plays
crucial
roles
in
synthesizing
robust
hydrogen-bonded
organic
frameworks
(HOFs).
However,
identifying
phases
understanding
the
self-correcting
mechanisms
is
challenging
venture
due
their
intrinsic
instability.
Here,
we
for
first
time
introduce
1,8-naphtholactam
(Np)
as
hydrogen-bonding
synthon
positioned
on
periphery
of
bicarbazole
create
versatile
molecular
unit
3D
HOFs.
as-synthesized
NCU-HOF1,
analyzed
by
single-crystal
X-ray
diffraction
(SCXRD),
found
be
metastable.
It
exhibits
an
11-fold
interpenetrated
dia
topology
with
quarter
Np
units
exhibiting
monomeric
N-H⋯O
interactions
between
adjacent
link
sites,
which
readily
self-correct
upon
desolvation
form
fully
dimeric
ones.
Consequently,
resultant
NCU-HOF1a
becomes
highly
polar
solvents,
strong
acid
or
alkaline
aqueous
solutions,
has
permanent
porosity
contracted
cavities
selective
adsorption
efficient
"turn-up"
fluorescent
sensing
C
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(68)
Published: Aug. 24, 2024
Tunable
luminescence-assisted
information
storage
and
encryption
holds
increasing
significance
in
today's
society.
A
promising
approach
to
incorporating
the
benefits
of
both
organic
long
persistent
luminescent
(LPL)
materials
rare-earth
(RE)
luminescence
lies
utilizing
host
sensitize
RE
luminescence,
as
well
employing
Förster
resonance
energy
transfer
from
hydrogen-bonded
framework
(HOF)
phosphorescence
compound
luminescence.
This
work
introduces
a
one-pot,
situ
pyrolytic
condensation
method,
achieved
through
high-temperature
melting
calcination,
synthesize
lanthanide
ion-doped
HOF
materials.
method
circumvents
drawback
molecular
triplet
annihilation,
enabling
creation
LPL
with
characteristics.
The
material
serves
host,
exhibiting
blue
cyan
LPL.
By
fine-tuning
doping
amount,
composite
U-Tb-100
achieves
green
quantum
yield
56.4
%,
an
duration
approximately
2-3
s,
demonstrating
tunable
persistence.
Single-crystal
X-ray
diffraction,
spectral
analysis,
theoretical
calculation
unveil
that
exhibits
exceptional
long-lived
primarily
due
efficient
sensitization
U
monomer
ions
PRET
process
between
complexes.
ingenious
strategy
not
only
expands
repertoire
but
also
facilitates
design
multifunctional
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
Controlled
manipulation
of
photons/electrons
at
micro/nanoscale
holds
the
key
to
development
versatile
optoelectronics
devices.
However,
current
photonics
devices
are
primarily
constructed
from
simple
low‐dimensional
structures,
which
suffer
limited
structural
design
freedom
due
planar
processing
scheme,
impeding
further
performance
improvement
and
functionality
upgrades.
Herein,
first
3D
hydrogen‐bonded
organic
framework
(HOF)
branched
homostructure
with
spatial
positioned
multi‐input/output
optical
channels
for
photon
is
reported.
The
free‐standing
HOF
homostructures
prepared
by
a
steric
engineering
strategy,
involves
multinucleation‐assisted
growth
mechanism.
hierarchical
Y‐type
X‐type
exhibit
asymmetrical
transport
behaviors,
showing
applications
in
logic
gates
single
or
dual
ON/OFF
functionality,
respectively.
Moreover,
multiple
spatially
distributed
input/output
displays
asymmetric
transport,
functions
as
photonic
signal
logics.
These
results
offer
novel
strategy
HOF‐based
manipulation.
