Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
While
being
important
candidate
for
heterogeneous
photocatalyst,
conjugated
polymer
typically
exhibits
random
charge
transfers
between
the
alternating
donor
and
acceptor
units,
which
severely
limits
its
catalytic
efficiency.
Herein,
inspired
by
natural
photosystem,
concept
of
guiding
migration
to
specific
reaction
sites
is
employed
significantly
boost
photocatalytic
performance
linear
polymers
(LCPs)
with
pendant
functional
groups
via
creating
programmed
charge-transfer
channels
from
backbone
moiety.
The
benzothiadiazole,
as
revealed
in
both
situ
X-ray
photoelectron
spectroscopy
(XPS)
density
theory
(DFT)
calculations,
can
act
electron
"reservoir"
that
aggregates
electrons
at
active
sites.
Moreover,
presence
channels,
evidenced
transient
absorption
(TAS),
accelerates
transfer,
preventing
recombination
holes.
As
a
result,
this
elaborately-designed
architecture,
photogenerated
move
smoothly
towards
reduction
sites,
facilitating
O
MnO
x
/g-C
3
N
4
@ZIF-8
catalyst
was
prepared
by
a
co-precipitation
reaction.
The
doping
of
Mn
and
large
specific
surface
area
resulted
in
high
catalytic
activity
target
product
selectivity
the
liquid-phase
oxidation
toluene.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(38), P. 25850 - 25859
Published: Jan. 1, 2024
Conjugated
polymers
(CPs)
have
garnered
attention
for
their
tailorable
structural
properties,
particularly
in
the
context
of
efficient
photosynthetic
hydrogen
peroxide
(H
2
O
)
production.
