Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(11), С. 6480 - 6485
Опубликована: Март 7, 2023
The
interaction
between
organic
radicals
and
transition
metals
plays
a
crucial
role
in
radical-mediated
chemical
reactions,
functional
devices,
biocatalysis.
Characterizing
such
interactions,
however,
remains
long-standing
challenge
due
to
the
inherently
high
reactivity
of
radical
species.
Here,
using
scanning
tunneling
microscope
breaking
junction
(STM-BJ)
technique,
we
are
able
detect
mode
iminyl
gold
surface
at
single
molecule
level.
We
show
that
free
generated
through
photochemical
N-O
bond
homolysis
oxime
esters
react
toward
electrode
produce
covalent
Au-N
bonds.
Intriguingly,
find
bonding
reactions
lead
formation
robust
highly
conductive
single-molecule
junctions.
These
findings
provide
not
only
insights
into
mechanism
iminyl-radical-involved
but
also
facile
photolysis
method
create
new
type
electrode-molecule
contact
for
molecular
devices.
Polymers,
Год журнала:
2023,
Номер
15(2), С. 342 - 342
Опубликована: Янв. 9, 2023
Currently,
increasing
attention
has
been
focused
on
light-emitting
diodes
(LEDs)-induced
photopolymerization.
The
common
LEDs
(e.g.,
LED
at
365
nm
and
405
nm)
possess
narrow
emission
bands.
Due
to
their
light
absorption
properties,
most
commercial
photoinitiators
are
sensitive
UV
cannot
be
optimally
activated
under
visible
irradiation.
Although
many
have
designed
for
LED-induced
free
radical
polymerization
cationic
polymerization,
there
is
still
the
issue
of
mating
between
LEDs.
Therefore,
development
novel
photoinitiators,
which
could
applied
irradiation,
significant.
Many
photoinitiating
systems
reported
in
past
decade.
In
this
review,
some
recently
developed
used
photopolymerization,
mainly
5
years,
summarized
categorized
as
Type
Ⅰ
Ⅱ
dye-based
systems.
addition,
properties
photoinitiation
efficiencies
discussed.
Advanced Materials,
Год журнала:
2024,
Номер
36(33)
Опубликована: Июнь 6, 2024
The
incorporation
of
functionalized
nanofillers
into
polymers
via
photopolymerization
approach
has
gained
significant
attention
in
recent
years
due
to
the
unique
properties
resulting
composite
materials.
Surface
modification
plays
a
crucial
role
their
compatibility
and
polymerization
behavior
within
polymer
matrix
during
photopolymerization.
This
review
focuses
on
developments
surface
various
nanofillers,
enabling
integration
systems
through
discusses
key
aspects
including
selection
suitable
modifiers,
such
as
photoinitiators
polymerizable
groups,
well
optimization
conditions
achieve
desired
properties.
influence
interfacial
interactions
between
is
also
explored,
it
directly
impacts
final
nanocomposites.
Furthermore,
highlights
applications
nanocomposites
prepared
by
photopolymerization,
sensors,
gas
separation
membranes,
purification
systems,
optical
devices,
biomedical
By
providing
comprehensive
overview
strategies
impact
process
nanocomposite
properties,
this
aims
inspire
new
research
directions
innovative
ideas
development
high-performance
for
diverse
applications.
