Molecules,
Год журнала:
2023,
Номер
28(6), С. 2663 - 2663
Опубликована: Март 15, 2023
The
synthesis,
photophysical
properties,
and
applications
of
highly
fluorescent
phosphorescent
palladium
complexes
are
reviewed,
covering
the
period
2018–2022.
Despite
fact
that
Pd
atom
appears
closely
related
with
an
efficient
quenching
fluorescence
different
molecules,
synthetic
strategies
have
been
recently
optimized
to
achieve
preservation
even
amplification
luminescent
properties
several
fluorophores
after
incorporation.
Beyond
classical
methodologies
such
as
orthopalladation
or
use
emissive
ligands
porphyrins
systems
(for
instance,
biladiene),
new
concepts
AIE
(Aggregation
Induced
Emission)
in
metallacages
coordination-driven
supramolecular
compounds
(CDS)
by
restriction
intramolecular
motions
(RIM),
showing
TADF
(Thermally
Activated
Delayed
Fluorescence),
here
described
analysed.
Without
pretending
be
comprehensive,
selected
examples
areas
fabrication
lighting
devices,
biological
markers,
photodynamic
therapy,
oxygen
sensing
also
reported.
ACS Nano,
Год журнала:
2023,
Номер
17(3), С. 1845 - 1878
Опубликована: Янв. 19, 2023
The
discovery
of
aggregation-induced
emission
(AIE)
phenomenon
in
2001
has
had
a
significant
impact
on
materials
development
across
different
research
disciplines.
AIE-active
have
been
widely
exploited
for
various
applications
optoelectronics,
sensing,
biomedical,
and
stimuli-responsive
systems,
etc.
This
is
made
possible
by
integrating
AIE
features
with
other
fields
science
engineering,
such
as
nanoscience
nanotechnology.
extensively
employed,
particularly
biomedical
applications,
biosensing,
bioimaging,
theranostics.
However,
AIE-based
nanotechnology
comparatively
less,
although
there
increasing
activities
recent
years.
Given
the
significance
potential
marriage
between
hallmark
development,
this
review
article
summarizes
showcases
latest
efforts
nanomaterials,
including
nanomaterials
synthesis
their
nonbiomedical
functional
coatings,
systems.
A
perspective
outlook
nanostructured
relevant
will
be
provided,
giving
an
insight
into
how
to
design
nanostructures
well
beyond
domain.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(42)
Опубликована: Авг. 19, 2023
Covalent
organic
frameworks
(COFs)
with
structural
designability
and
tunability
of
photophysical
properties
enable
them
to
be
a
promising
class
luminescent
materials
by
incorporating
well-designed
fluorescent
units
directly
into
the
periodic
skeletons.
The
COFs
are
mainly
affected
features,
which
determine
conjugation
degree,
charge
delocalization
ability,
exciton
dynamics
COFs.
To
understand
relationship
between
COF
structures
their
properties,
two
same
pyrene
chromophore
but
different
linkages
(imine
or
vinylene)
were
designed
synthesized.
Interestingly,
endow
huge
differences
in
solid-state
photoluminescence
quantum
yield
(PLQY)
for
imine-
vinylene-linked
pyrene-based
COFs,
possess
PLQY
values
0.34
%
15.43
%,
respectively.
femtosecond-transient
absorption
spectra
time-dependent
density
functional
theory
reveal
charge-transfer
pathways
influence
relaxation
way
fluorescence
intensity.
In
addition,
an
effective
white-light
device
was
obtained
coating
on
light-emitting
diode
strip.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(52)
Опубликована: Сен. 13, 2023
Abstract
Organic
room
temperature
phosphorescence
(RTP)
materials
have
become
a
hot
topic
in
the
field
of
luminescence
wherein
crystalline
porous
organic
frameworks
(metal–organic
(MOFs),
hydrogen‐bonded
(HOFs),
covalent
(COFs))‐based
RTP
are
receiving
considerable
attention.
Beyond
all
doubt,
frameworks‐based
perfectly
integrate
advantages
and
materials.
This
review
provides
timely
brief
outline
for
development
including
construction
strategy
MOFs/HOFs/COFs‐based
their
performance
as
well
potential
applications.
Moreover,
conclusion
outlook
also
discussed
to
present
challenges
prospects
further
high‐performance
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(26)
Опубликована: Апрель 19, 2024
Abstract
Hydrogen‐bonded
organic
frameworks
(HOFs),
a
novel
subclass
of
porous
crystalline
materials
self‐assembled
from
linkers
through
hydrogen
bonding
and
other
intermolecular
interactions,
have
emerged
as
an
exciting
platform
for
developing
multifunctional
materials.
Recently,
luminescent
HOF
sensors
drawn
considerable
attention
due
to
their
unique
advantages,
such
hydrogen‐bonding
flexibility,
inherent
centers
in
linkers,
ease
functionalization,
low
density
toxicity,
good
stability.
However,
comprehensive
study
on
the
design
strategies,
functionalities,
applications
HOFs
sensing
is
lacking.
In
this
review,
uniqueness
development
are
outlined.
The
principles
strategies
enable
performance
summarized,
including
pre‐design
post‐modification
with
additional
species.
state‐of‐the‐art
advances
diverse
overviewed,
detection
chemical
pollutants,
biomolecules,
gases,
physical
factors
like
temperature
mechanical
forces.
Moreover,
current
challenges
corresponding
potential
avenues
discussed.
This
review
aims
inspire
more
innovative
research
fabrication
advanced
functions.
Abstract
This
review
addresses
the
latest
advancements
in
integration
of
aggregation‐induced
emission
(AIE)
materials
with
polymer
electrospinning,
to
accomplish
fine‐scale
electrospun
fibers
tunable
photophysical
and
photochemical
properties.
Micro‐
nanoscale
augmented
AIE
dyes
(termed
AIEgens)
are
bespoke
composite
systems
that
can
overcome
limitation
posed
by
aggregation‐caused
quenching,
a
critical
deficiency
conventional
luminescent
materials.
comprises
three
parts.
First,
reader
is
exposed
basic
concepts
fundamental
mechanisms
underpinning
restriction
intermolecular
motions.
followed
an
introduction
electrospinning
techniques
pertinent
AIE‐based
fibers,
core
parameters
for
controlling
fiber
architecture
resultant
Second,
exemplars
drawn
from
research
demonstrate
how
nanofibers
porous
films
incorporating
modified
AIEgens
(especially
tetraphenylethylene
triphenylamine
derivatives)
yield
enhanced
photostability,
photothermal
properties,
photoefficiency
(quantum
yield),
improved
device
sensitivity.
Advanced
applications
several
promising
sectors,
encompassing
optoelectronics,
drug
delivery
biology,
chemosensors
mechanochromic
sensors,
innovative
devices,
among
others.
Finally,
outstanding
challenges
together
potential
opportunities
nascent
field
AIE‐active
presented,
stimulating
frontier
explorations
this
exciting
field.
