Chemiluminescent transition metal complexes: Mechanisms and applications
Coordination Chemistry Reviews,
Год журнала:
2025,
Номер
530, С. 216495 - 216495
Опубликована: Фев. 5, 2025
Язык: Английский
Electrochemiluminescence of N,N′-Dimethylformamide Passivated Black Phosphorus Quantum Dots
Langmuir,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
Black
phosphorus
quantum
dots
(BPQDs)
have
shown
promising
applications
in
biosensors
and
energy
storage
devices.
However,
the
electrochemiluminescence
(ECL)
properties
of
pristine
BPQDs
an
organic
system
rarely
been
reported.
In
this
paper,
N,N′-dimethylformamide
passivated
with
a
small
size
2.3
nm
were
obtained
by
ultrasonication-assisted
liquid
exfoliation
process,
their
ECL
studied.
A
reversible
reduction
peak
was
recorded
differential
pulse
voltammetry,
while
no
apparent
oxidation
observed.
signal
not
seen
annihilation
route.
Persulfate
proved
to
be
effective
coreactant
yellow
emission
observed
which
greatly
red-shifted
comparison
that
photoluminescence.
is
believed
generated
from
both
surface
states
electron
promotion
over
band
gap.
Язык: Английский
Impacts of electrogenerated chemiluminescence mechanism on the emission spectra and intensities
Analytical Sciences,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Abstract
In
this
mini-review,
recent
progress
in
electrogenerated
chemiluminescence
(ECL)
reported
by
our
group
is
mainly
introduced.
First,
the
general
principles
of
ECL
and
standard
molecules
for
are
described,
then
properties
thermally
activated
delayed
fluorescence
(TADF)
molecules,
pyrrolopyrrole
aza-BODIPYs
(PPABs),
pyrene
(Py)
its
derivative,
Eu(III)
Tb(III)
complexes
The
efficiency
TADF
increased
spin
up-conversion
from
T
1
to
S
state,
that
PPABs
incremented
kinetically
due
slower
rate
state
formation
than
formation.
excimer
mechanism
Py
derivative
discussed.
It
shown
very
sharp
spectra
can
be
obtained
complexes.
Furthermore,
intense
binary
mixed
systems
using
Ir(ppy)
3
electron
donor
or
acceptor
described.
These
results
provide
insight
into
how
affects
emission
intensity,
efficiency,
spectrum.
Graphical
abstract
Язык: Английский
Molecular Design Principles for Photoactive Transition Metal Complexes: A Guide for “Photo-Motivated” Chemists
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Luminescence
and
photochemistry
involve
electronically
excited
states
that
are
inherently
unstable
therefore
spontaneously
decay
to
electronic
ground
states,
in
most
cases
by
nonradiative
energy
release
generates
heat.
This
dissipation
can
occur
on
a
time
scale
of
100
fs
(∼10–13
s)
usually
needs
be
slowed
down
at
least
the
nanosecond
(∼10–9
for
luminescence
intermolecular
occur.
is
challenging
task
with
many
different
factors
consider.
An
alternative
emerging
strategy
target
dissociative
lead
metal–ligand
bond
homolysis
subnanosecond
access
synthetically
useful
radicals.
Based
thorough
review
recent
advances
field,
this
article
aims
provide
concise
guide
obtaining
luminescent
photochemically
coordination
compounds
d-block
elements.
We
hope
encourage
"photo-motivated"
chemists
who
have
been
reluctant
apply
their
synthetic
other
knowledge
photophysics
photochemistry,
we
intend
stimulate
new
approaches
control
state
behavior.
Язык: Английский
Coreactant-free and Single-Potential-Channel Electrochemiluminescence from Dual-Thiols-Stabilizer Capped Gold Nanoclusters and Its NIR Immunoassay Application
Biosensors and Bioelectronics,
Год журнала:
2025,
Номер
286, С. 117617 - 117617
Опубликована: Май 21, 2025
Язык: Английский
Fluorescent Polymers via Coordination of bis-Terpyridine Ligands with Transition Metals and Their pH Response Properties
Polymers,
Год журнала:
2024,
Номер
17(1), С. 87 - 87
Опубликована: Дек. 31, 2024
Stimulus-responsive
luminescent
materials
are
pivotal
in
the
field
of
sensing.
Fluorescent
transition
metal
complexes
with
a
charge
transfer
excited
state,
especially
terpyridine-coordinated
polymers,
particular
interest
due
to
their
tunable
emission.
In
this
paper,
novel
bis-terpyridine
ligand
was
synthesized
and
assembled
into
coordination
polymer,
which
showed
intense
visible
light
absorption
fluorescence
emission
solid
state
that
could
be
regulated
by
an
acidic
or
basic
pH.
After
being
protonated
acid,
polymer
P2
quenched.
The
split
from
635
nm
two
peaks
674
440
nm,
then
stabilized
at
728
for
7
days,
significant
red-shift
good
protonation
stability.
wavelength
polymers
recovered
after
alkalization,
intensity
greatly
improved
showing
interesting
acid–base-response
luminescence
characteristics.
sensitive
response
acids
bases
will
contribute
expanding
application
linear
sensing
other
fields.
Язык: Английский