Supramolecular light-harvesting systems based on cucurbit[n]urils: SS-FRET and TS-FRET mechanisms and functional applications
Wei Zhang,
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Mao-Qin Liu,
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Yang Luo
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et al.
Coordination Chemistry Reviews,
Journal Year:
2025,
Volume and Issue:
533, P. 216555 - 216555
Published: Feb. 27, 2025
Language: Английский
Artificial Light Harvesting Systems Based on Novel AIEgen-branched Rotaxane Dendrimers for Photocatalyzed Functionalization of C-H Bonds
Xiao‐Qin Xu,
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Yi-Ru Song,
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Junyu Cao
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et al.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Novel
AIEgen-branched
rotaxane
dendrimers
with
up
to
42
precisely
distributed
TPE
units
were
synthesized,
enabling
the
construction
of
artificial
LHSs
that
exhibit
generation-dependent
photocatalytic
performance
in
C–H
bond
functionalization.
Language: Английский
Multilevel Supramolecular Assembly with Three‐Step Sequential Energy Transfer for Selective Generation of Sulfides and Sulfoxides by Photoredox Thiol‐Ene Cross‐Coupling Reactions
Rong‐Zhen Zhang,
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Yu‐Song Bi,
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Kai‐Kai Niu
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et al.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
Photosynthesis
in
natural
systems
involves
a
series
of
steps
for
energy
transfer,
but
replicating
this
process
artificial
light‐harvesting
(ALHS)
with
three
or
more
is
still
difficult.
This
work
presents
set
ALHS
that
exhibit
an
intricate
three‐step
transfer
mechanism.
The
are
meticulously
fabricated
by
utilizing
cyano‐substituted
diphenyl
ethylene
derivative
(DCMI),
cucurbit[7]uril
(CB[7]),
and
sulfobutylether‐β‐cyclodextrin
(SBE‐βCD)
through
host–guest
electrostatic
interactions
water
to
create
multilevel
molecular
assembly
serving
as
donors.
Three
distinct
types
fluorescent
dyes,
namely
rhodamine
B
(RhB),
sulforhodamine
101
(SR101),
cyanine
5
(Cy5),
employed
acceptors.
DCMI‐2CB[7]@SBE‐βCD+RhB+SR101+Cy5
system
demonstrates
effective
sequential
process,
which
the
from
DCMI‐2CB[7]@SBE‐βCD
RhB,
SR101,
Cy5
consecutive
manner,
resulting
substantial
efficiency.
Remarkably,
within
multi‐step
system,
generation
reactive
oxygen
species
(ROS)
progressive
augmentation.
Furthermore,
fully
utilize
harvested
obtained
ROS,
multistep
further
promotes
visible‐light
induced
photoredox
thiol‐ene
cross‐coupling
reaction
between
thiophenol
styrene
selectively
obtain
sulfides
sulfoxides
high
yields.
Language: Английский
Tetraphenylethylene‐Derived Tetracarboxylate Featuring AIE Properties for Dual Ion Sensing and Mechanochromic Self‐Erasable Writing
Qiaona Zhang,
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Xiaoman Dang,
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Fengyao Cui
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et al.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
The
integration
of
multiple
functions
within
a
single
fluorescent
molecule
provides
promising
platform
for
developing
versatile,
efficient,
and
cost-effective
materials
with
enhanced
performance
across
diverse
applications.
In
this
study,
we
introduce
TPEC,
an
aggregation-induced
emission
(AIE)
derived
from
tetraphenylethylene-based
tetracarboxylate,
which
demonstrates
multifunctional
capabilities,
including
metal
ion
sensing
self-erasable
writing.
TPEC
exhibits
amphiphilicity
in
water,
self-assembling
into
single-layer
nanosheets
robust
blue
fluorescence.
Notably,
the
aqueous
solution
displays
fluorescence
colorimetric
response
to
Al
Language: Английский