Multicolor Emissive Hyperbranched Polysilicophosphate Ester from n-π Interaction and Concentrated Negative Electrostatic Potential-Enhanced Spatial Electronic Communication
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Unconventional
fluorescent
polymers
have
attracted
wide
attention
due
to
their
excellent
biocompatibility,
facile
preparation,
and
unique
properties.
However,
developing
high-performance
revealing
the
emission
mechanism
are
still
challenging.
Herein,
explore
relationship
between
chemical
structures
properties,
four
hyperbranched
poly(silicophosphate)
esters
(HSiP0-HSiP3)
were
prepared.
Increasing
P═O(O)3:Si(O)3
ratios
generated
enhanced
red
fluorescence.
Experimental
theoretical
calculation
results
showed
that
n-π
interactions
P═O
O/N
atoms
promoted
concentration
of
negative
electrostatic
potential
spatial
electronic
communications,
then
decreased
energy
gap
strong
emission.
Meanwhile,
cluster
functional
groups
a
charge
isolated
groups,
which
further
Additionally,
these
in
bacterial
imaging
information
encryption.
Thus,
this
work
provides
an
efficient
method
for
long-wavelength
materials
while
providing
new
insights
into
origin.
Language: Английский
Intrinsic Multicolor Emissive Aliphatic Linear Polyphosphate Esters From the Charge‐Transfer‐Induced Enhanced Spatial Electronic Communication
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Unconventional
fluorescent
polymers
are
attracting
increasing
attention
because
of
their
excellent
biocompatibility
and
wide
applications.
However,
these
typically
exhibit
weak
long‐wavelength
emission.
Herein,
three
novel
aliphatic
linear
polyphosphate
esters
prepared
via
a
one‐pot
polycondensation
reaction.
Such
can
generate
strong
blue,
green,
yellow,
red
fluorescence
under
different
excitations.
Experimental
theoretical
results
showed
that
the
cluster
C═C
phosphate
ester
groups
attracted
negative
charge
isolated
functional
groups,
alkane
chains
hydrogen
atoms
also
provided
for
spatial
electronic
communication.
Then,
intrinsic
arises
from
charge‐transfer‐induced
enhanced
Additionally,
show
potential
applications
in
film,
ion
detection,
bacteria
imaging,
visualization
NaCl
crystallization
process.
This
work
provides
universal
design
strategy
developing
emissive
gains
new
insight
into
emission
mechanisms.
Language: Английский