Molecules,
Journal Year:
2022,
Volume and Issue:
27(24), P. 8876 - 8876
Published: Dec. 14, 2022
Dynamic
emissive
materials
in
aqueous
media
have
received
much
attention
owing
to
their
ease
of
preparation,
tunable
luminescence
and
environmental
friendliness.
However,
hydrophobic
fluorophores
usually
suffer
from
aggregation-caused
quenching
water.
In
this
work,
we
constructed
an
artificial
light-harvesting
system
by
using
a
non-covalent
aggregation-induced
emission
dimer
as
antenna
energy
donor.
The
is
quadruple
hydrogen
bonded
ureidopyrimidinone
derivative
(M)
containing
tetraphenylethylene
group.
dispersed
nano-assemblies
based
on
the
were
fabricated
with
help
surfactant.
By
loading
acceptor
molecule
DBT
into
nano-assemblies,
man-made
nanoparticles
fabricated,
showing
considerable
transfer
efficiency
relatively
high
effect.
Additionally,
fluorescence
color
can
be
gradually
tuned
varying
content
acceptors.
This
study
provides
general
way
for
construction
supramolecular
dimer,
which
important
potential
application
luminescent
materials.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(5), P. 1870 - 1878
Published: Jan. 1, 2024
We
present
an
efficient
method
for
the
transformation
of
type
II
photosensitizers
(
1
O
2
)
into
I
(O
˙−
through
implementation
artificial
light-harvesting
system
involving
a
two-step
sequential
energy
transfer
process.
Communications Chemistry,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: April 18, 2024
Fluorescence
resonance
energy
transfer
(FRET)
from
the
excited
state
of
donor
to
ground
acceptor
is
one
most
important
fluorescence
mechanisms
and
has
wide
applications
in
light-harvesting
systems,
light-mediated
therapy,
bioimaging,
optoelectronic
devices,
information
security
fields.
The
phenomenon
sequential
natural
photosynthetic
systems
provides
great
inspiration
for
scientists
make
full
use
light
energy.
In
recent
years,
discrete
supramolecular
assemblies
(DSAs)
have
been
successively
constructed
incorporate
multiple
acceptors,
achieve
multi-step
FRET
between
them.
This
perspective
describes
advances
fabrication
application
DSAs
with
FRET.
These
are
categorized
based
on
non-covalent
scaffolds,
such
as
amphiphilic
nanoparticles,
host-guest
assemblies,
metal-coordination
biomolecular
scaffolds.
will
also
outline
opportunities
future
challenges
this
research
area.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
novel
rigid
macrocycle
with
aggregation-induced
emission
(AIE)
properties
was
facilely
synthesized
to
construct
efficient
artificial
light-harvesting
systems
for
photocatalysis
through
the
Förster
resonance
energy
transfer
process.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(34), P. 18419 - 18425
Published: Jan. 1, 2023
A
tadpole-type
amphiphilic
monomer
containing
cyanostilbene
and
oligo(ethylene
glycol)
chains
has
been
designed
synthesized,
which
can
be
used
to
construct
a
thermo-responsive
light-harvesting
system
in
water
with
tunable
white-light
emission.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(8), P. 4752 - 4760
Published: Jan. 1, 2024
We
report
herein
a
novel
pyrene-based
two-dimensional
supramolecular
organic
framework
(SOF)
in
water
via
host–guest
interactions,
which
exhibits
regulation
of
ROS
and
high
photocatalytic
efficiency.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(31)
Published: June 14, 2024
Abstract
Artificial
light‐harvesting
systems
(LHSs)
with
a
multi‐step
sequential
energy
transfer
mechanism
significantly
enhance
light
utilization.
Nonetheless,
most
of
these
exhibit
an
overall
efficiency
below
80%.
Moreover,
due
to
challenges
in
molecularly
aligning
multiple
donor/acceptor
chromophores,
featuring
≥3‐step
are
rarely
reported.
Here,
series
artificial
LHSs
is
introduced
up
4‐step
mechanism,
constructed
using
cyclic
peptide‐based
supramolecular
scaffold.
These
showed
remarkably
high
efficiencies
(≥90%)
and
satisfactory
fluorescence
quantum
yields
(ranging
from
17.6%
58.4%).
Furthermore,
the
structural
robustness
scaffold
enables
comprehensive
study
systems,
elucidating
associated
pathways,
identifying
additional
processes
beyond
targeted
transfer.
Overall,
this
investigation
not
only
enhances
understanding
LHSs,
but
also
underscores
versatility
scaffolds
advancing
harvesting
technologies.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(4), P. 2241 - 2247
Published: Jan. 1, 2024
A
water-soluble
type
II
photosensitizer
with
excellent
water
solubility
was
utilized
for
selective
photooxidation
reactions
of
hydroazaobenzenes,
olefins,
and
hydrosilanes
in
water.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(17), P. 2409 - 2412
Published: Jan. 1, 2024
Visible-light-mediated
C–H
alkylation
of
quinoxalin-2(1
H
)-ones
using
trifluoroacetic
acid
as
a
hydrogen
atom
transfer
reagent
under
metal-
and
photocatalyst-free
conditions
is
reported.