ChemCatChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
Abstract
The
research
of
aggregation‐induced
emission
(AIE)
materials
has
aroused
extensive
interests
during
the
past
20
years.
Until
recently,
biomass‐inspired
AIE
(BioAIE)
have
become
highly
attractive
owing
to
advantages
natural
structural
diversity,
renewability,
biocompatibility,
and
biodegradability
biomass.
In
this
concept,
we
focus
on
sustainable
production
BioAIE
from
biomass
resources
(biomacromolecules
small
products)
through
extraction,
chemical
conversion,
physical
conversion.
Chemical
conversion
is
especially
stated,
including
catalytic
schiff
base
reaction,
“in
water”
other
modifications.
luminescence
mechanism
behaviors
along
with
their
structure–property
relationships
emphasized,
applications
are
addressed
as
well.
An
outlook
provided
highlight
challenges
opportunities
associated
future
development
trend
in
field.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(11), P. 3920 - 3927
Published: Jan. 1, 2024
Stimuli-responsive
aggregation-induced
emission
(AIE)
materials
are
highly
sensitive
and
rapidly
responsive
to
external
signals,
making
them
ideal
solid
for
anti-counterfeiting
encryption.
However,
the
limited
conformational
packing
variations
resulting
from
regio-isomerization
with
a
single
substituent
restricts
stimuli-responsive
behavior
of
these
materials.
In
this
work,
several
AIE-active
regio-structural
isomers
based
on
salicylaldehyde
Schiff
base
scaffold
have
been
straightforwardly
obtained
through
multiple
substitutions
bromide
triphenylamine
moieties.
Solvent-effect
experiments
demonstrate
their
different
orders
charge-transfer
excited-state
intramolecular
proton
transfer
upon
photoexcitation,
indicating
regulation
processes
via
multi-site
isomerization.
These
also
mechanochromism
acidichromism,
allowing
adjustable
effects.
As
demonstration,
p-Br-TPA
both
acidichromism
can
be
synergistically
utilized
multi-level
decryption.
This
study
successfully
regulates
evolution
excited
states
isomerization,
offering
general
approach
achieving
tunable
properties
in
bases
toward
ACS Nano,
Journal Year:
2025,
Volume and Issue:
19(1), P. 281 - 306
Published: Jan. 2, 2025
A
revolutionary
transformation
in
biomedical
imaging
is
unfolding
with
the
advent
of
aggregation-induced
emission
luminogens
(AIEgens).
These
cutting-edge
molecules
not
only
overcome
limitations
traditional
fluorescent
probes
but
also
improve
boundaries
high-contrast
imaging.
Unlike
conventional
fluorophores
suffering
from
aggregation-caused
quenching,
AIEgens
exhibit
enhanced
luminescence
when
aggregated,
enabling
superior
performance.
This
review
delves
into
molecular
mechanisms
(AIE),
demonstrating
how
strategic
design
unlocks
exceptional
and
contrast,
which
crucial
for
distinguishing
healthy
diseased
tissues.
highlights
key
applications
AIEgens,
such
as
time-resolved
imaging,
second
near-infrared
window
(NIR-II),
advancement
sensitivity
to
physical
biochemical
cue-responsive
The
development
AIE
technology
promises
transform
healthcare
early
disease
detection
targeted
therapies,
potentially
reshaping
personalized
medicine.
paradigm
shift
biophotonics
offers
efficient
tools
decode
complexities
biological
systems
at
level,
bringing
us
closer
a
future
where
invisible
becomes
visible
incurable
treatable.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(9)
Published: Dec. 15, 2023
Abstract
Artificial
aggregation‐induced
emission
luminogens
(AIEgens)
have
flourished
in
bio‐applications
with
the
development
of
synthetic
chemistry,
which
however
are
plagued
by
issues
like
singularity
structures
and
non‐renewability.
The
unique
renewability
biomass
moieties
can
compensate
for
these
drawbacks,
but
their
properties
hard
to
design
regulate
due
confined
structures.
Therefore,
it
appears
be
a
reasonable
approach
derive
AIEgens
from
abundant
(BioAIEgens),
integrating
bilateral
advantages
both
natural
AIEgens.
In
this
work,
blue‐violet
emissive
coumarin
its
lactone
structure
serving
as
rare
acceptor,
is
utilized
construct
donor‐π‐acceptor
typed
BioAIE
isomers
incorporating
propeller‐like
electron‐donating
triphenylamine
(TPA)
unit.
results
show
that
Cm‐
p
‐TPA
undergoes
charge
transfer
keto
form,
emitting
red
light
at
600
nm,
applied
monitor
Cu
2+
concentration
during
mitophagy
using
fluorescence
lifetime
imaging
microscopy
because
excellent
biocompatibility,
photostability,
specific
recognition
.
This
work
not
only
demonstrates
feasibility
utilizing
positional
isomerization
modulate
excited‐state
evolutions
resultant
optical
properties,
also
provides
evidence
rationality
constructing
biologically‐active
BioAIEgens
via
biomass‐derivatization
concept.
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
A
comprehensive
overview
of
recent
advancements
in
fluorescence
imaging
techniques
for
situ
sensing
various
biomarkers,
emphasizing
the
transformative
potential
artificial
intelligence
shaping
future
bioimaging.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(30), P. 11394 - 11401
Published: Jan. 1, 2024
This
work
proposes
a
general
strategy
for
constructing
efficient
and
red-emissive
salicylaldehyde
Schiff
bases
with
both
AIE
stimuli-responsive
properties
multi-scenario
information
decryption.
Organic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(18), P. 5306 - 5324
Published: Jan. 1, 2024
This
review
summarizes
recent
achievements
in
electrosynthesis
of
organohalides
through
difunctionalization
alkenes
and
alkynes
provides
insights
into
future
directions
for
the
development
field.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Herein,
we
have
designed
and
synthesized
two
dimeric
BODIPY
consisting
of
a
donor–acceptor
backbone,
in
which
electron-withdrawing
groups
penta-fluorophenyl
were
introduced
at
the
meso-position
core
different
electron-donating
triphenylamine
(ZMH-3)
carbazole
(ZMH-4)
3,5-positions
moieties.
Both
ZMH-3
ZMH-4
showed
optical
band
gaps
1.49
1.39
eV,
with
deeper
highest
occupied
molecular
orbital
energy
levels
−5.61
−5.59
respectively.
Moreover,
dipole
moments
ZMH-4,
estimated
from
DFT
simulations,
are
5.065
4.49
D,
respectively,
indicating
that
excitons
generated
exist
lower
binding
energy,
is
beneficial
for
efficient
exciton
dissociation.
Considering
these
levels,
selected
nonfullerene
acceptor
ITIC
(complementary
absorption
spectra
suitable
levels)
as
acceptor.
After
optimization,
organic
solar
cells
based
on
attained
power
conversion
efficiencies
about
12.26
8.23%,
The
enhanced
value
efficiency
ZMH-3-based
OSCs
attributed
to
dissociation
efficiency,
more
charge
transport
extraction,
suppressed
recombination.
