CsPbBr3-Modified Oxygen-Doped g-C3N4 Heterojunctions for Sulfurization of Alkenes to Sulfoxides
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 3, 2025
Z-scheme
heterostructures
have
become
a
novel
class
of
photocatalysts
that
hold
substantial
significance
in
the
domains
environmental
and
energy-related
applications.
This
can
be
attributed
to
their
distinctive
charge
separation
transfer
pathways,
which
endow
heterojunctions
with
robust
redox
capabilities.
In
this
paper,
we
report
straightforward
method
for
fabricating
perovskite-based
heterojunction
by
integrating
CsPbBr3
nanocrystals
oxygen-doped
g-C3N4
(OCN).
exhibited
high
photocatalytic
activity
selective
sulfoxidation
reaction
alkenes
thiols.
Under
aerobic
conditions,
moderate
excellent
yields
high-value
sulfoxides
good
functional
compatibilities
were
achieved.
showcases
outstanding
performance,
remarkable
stability,
operational
simplicity,
atom
efficiency,
eco-friendly
energy
sources.
The
formation
was
corroborated
situ
X-ray
photoelectron
spectroscopy.
These
spectra
revealed
negative
shift
binding
energies
Cs
1s,
Pb
4f,
Br
3d
CsPbBr3,
while
positive
observed
C
N
O
1s
OCN
upon
light
irradiation.
specific
pattern
effectively
promotes
electron
from
is
conducive
electrons
holes,
thereby
enhancing
photoredox
catalytic
activity.
Язык: Английский
Application of Lead-Free Metal Halide Perovskite Heterojunctions for the Carbohalogenation of C–C Multiple Bonds
Organic Letters,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
A
graphitic
carbon
nitride/lead-free
double
perovskite
heterojunction
(g-C3N4/Cs2AgBiCl6)
has
been
adopted
as
a
heterogeneous
photocatalyst
under
visible
light
irradiation.
The
employed
material
enabled
the
atom
transfer
radical
addition-type
carbohalogenation
of
multiple
C-C
bonds,
including
(internal)
alkenes
and
alkynes,
with
alkyl
halides.
protocol
showed
remarkable
functional
group
tolerance,
compatible
late-stage
functionalization
natural
pharmaceutical
derivatives,
could
be
easily
scaled
up,
delivering
>1
g
desired
products.
Язык: Английский
Dual Photoredox/Copper-Catalyzed Radical cis-Selective Allylic Trifluoromethylation
The Journal of Organic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 19, 2025
We
herein
report
a
dual
visible-light
photoredox-
and
copper-catalyzed
Z-selective
allyl
trifluoromethylation
reaction
of
allylamine
by
using
trifluoromethylpyridinium
salt
(TFSP)
as
the
trifluoromethyl
radical
precursor.
Various
thermodynamically
disfavorable
trifluoromethylated
cis-enamides
were
accessible
with
moderate
to
good
isolated
yields.
Cuprous
oxide
or
copper
nanoclusters
crucial
co-catalyst
for
this
transformation.
Язык: Английский