Macromolecular Chemistry and Physics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Abstract
Nonconventional
luminescent
polymers
have
gained
significant
interest
due
to
their
outstanding
water
solubility,
biocompatibility,
solution‐processability,
and
scalability.
Unlike
traditional
aromatic
luminogens
with
extended
π‐conjugation,
distinctive
photophysical
properties
arise
from
a
mechanism
known
as
clustering‐triggered
emission
(CTE).
CTE
involves
the
clustering
of
electron‐rich
subunits,
leading
enhanced
electron
delocalization
conformational
rigidification,
ultimately
boosting
photoluminescence
(PL).
Despite
substantial
advancements,
challenges
remain
in
optimizing
efficiency
PL
tunability
these
polymers.
This
review
delves
into
mechanism,
examining
recent
advances
regulating
nonconventional
The
aim
is
uncover
universal
principles
underlying
mechanisms
across
diverse
systems,
providing
theoretical
foundation
for
further
development
potential
applications
materials
fields
such
bioimaging,
sensing,
optoelectronics.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(7), P. 4127 - 4137
Published: March 19, 2024
In
this
study,
nonconjugated
hyperbranched
poly(vinyl
ether
ester)s
(HPVEEs)
with
carbon–carbon
double
bonds
in
their
backbone
were
synthesized
via
bicyclo[2.2.2]-1,4-diazaoctane-catalyzed
hydroxyl–yne
click
polymerization
of
triols
diynes
at
25
°C.
Moreover,
the
branching
behavior,
structures,
and
properties
HPVEEs
correlation
between
structures
performance
analyzed
by
employing
techniques
such
as
size-exclusion
chromatography,
Fourier
transform
infrared
spectroscopy,
nuclear
magnetic
resonance,
differential
scanning
calorimetry,
thermogravimetric
analysis,
ultraviolet–visible
fluorescence
spectroscopy.
Results
demonstrated
successful
preparation
thermally
stable
relatively
high
molecular
weights,
degree
branching,
regular
structure
excellent
yields
through
efficient
DABCO-catalyzed
polymerization.
These
displayed
concentration-enhanced
excitation-dependent
emission
characteristics,
which
are
attributed
to
cluster
luminescence
generated
aggregation
double-bond
chromophores.
Additionally,
these
exhibited
a
unique
structure-dependent
emission,
wherein
varied
side
chains
regulated
quantum
yield
but
not
color;
differing
carbon
chain
lengths
could
modulate
color
yield.
Remarkably,
other
hydroxyl-containing
compounds,
β-cyclodextrin
galactose,
resulted
polymers
exhibiting
low
cytotoxicity
bright
cell
imaging.
Thus,
study
presents
containing
unconventional
chromophores
showing
intrinsic
fluorescence,
is
promising
for
application
fields
anticounterfeiting
technology
biomedical
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32503 - 32515
Published: June 14, 2024
Hierarchically
structural
particles
(HSPs)
are
highly
regarded
as
favorable
nanomaterials
for
superhydrophobic
coating
due
to
their
special
multiscale
structure
and
surface
physicochemical
properties.
However,
most
of
the
coatings
constructed
from
HSPs
monofunctional,
constraining
broader
applications.
Moreover,
traditional
methods
constructing
mostly
rely
on
complicated
chemical
routes
template
removal.
Herein,
we
propose
an
innovative
strategy
(one-pot
method)
producing
multifunctional
hierarchical
hybrid
(HHPs).
Polysilsesquioxane
(PSQ),
generated
hydrolysis
condensation
methyltriethoxylsilane,
is
used
sole
stabilizer
anchor
styrene
short
fluoroalkyl
compound
tridecafluorooctyl
acrylate
comonomers
droplets,
forming
a
mesoporous
PSQ
shell.
Subsequently,
inside
shell
perform
restricted
polymerization
generate
HHP
driving
capillary
force.
The
then
mixed
with
waterborne
polyurethane
(WPU)
develop
robust
nanocomposite
(WPU-HHP).
Through
deliberate
design
components,
WPU-HHP
has
thermal
insulation,
photoluminescence
properties,
ability
achieve
wettability
transition
during
abrasion.
Our
research
achieved
integration
multifunctionality
in
one
system,
broadening
application
areas
coatings.
Macromolecular Chemistry and Physics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Abstract
Nonconventional
luminescent
polymers
have
gained
significant
interest
due
to
their
outstanding
water
solubility,
biocompatibility,
solution‐processability,
and
scalability.
Unlike
traditional
aromatic
luminogens
with
extended
π‐conjugation,
distinctive
photophysical
properties
arise
from
a
mechanism
known
as
clustering‐triggered
emission
(CTE).
CTE
involves
the
clustering
of
electron‐rich
subunits,
leading
enhanced
electron
delocalization
conformational
rigidification,
ultimately
boosting
photoluminescence
(PL).
Despite
substantial
advancements,
challenges
remain
in
optimizing
efficiency
PL
tunability
these
polymers.
This
review
delves
into
mechanism,
examining
recent
advances
regulating
nonconventional
The
aim
is
uncover
universal
principles
underlying
mechanisms
across
diverse
systems,
providing
theoretical
foundation
for
further
development
potential
applications
materials
fields
such
bioimaging,
sensing,
optoelectronics.
