Abstract
Novel
N‐doped
Bi
3
O
4
Br/(BiO)
2
CO
ultrathin
nanojunctions
have
been
prepared.
Alkalization
dehalogenation
was
performed
to
form
Br,
surfactant
employed
control
the
thickness,
and
few‐layers
of
C
N
as
a
sacrificial
agent
were
used
build
(BiO)
.
The
photocatalytic
behavior
achieved
evaluated
through
degradation
antibiotic
ciprofloxacin,
tetracycline
hydrochloride,
endocrine
disrupting
chemical
bisphenol
A
well
typical
dye
rhodamine
B
under
visible
light
irradiation.
matched
energy
band
structure
between
Br
could
endow
highly
efficient
interfacial
charge
separation,
thus
leading
excellent
nonselective
behavior.
design
in
this
system
will
open
new
windows
for
reasonable
other
photocatalysts.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Jan. 16, 2024
Abstract
The
insufficient
active
sites
and
slow
interfacial
charge
transfer
of
photocatalysts
restrict
the
efficiency
CO
2
photoreduction.
synchronized
modulation
above
key
issues
is
demanding
challenging.
Herein,
strain-induced
strategy
developed
to
construct
Bi–O-bonded
interface
in
Cu
porphyrin-based
monoatomic
layer
(PML-Cu)
Bi
12
O
17
Br
(BOB),
which
triggers
surface
dual
polarization
PML-Cu/BOB
(PBOB).
In
this
multi-step
polarization,
built-in
electric
field
formed
between
interfaces
induces
electron
from
conduction
band
(CB)
BOB
CB
PML-Cu
suppresses
its
reverse
migration.
Moreover,
further
promotes
converge
atoms.
introduction
endows
a
high
density
dispersed
on
PBOB,
significantly
promoting
adsorption
activation
desorption.
conversion
rate
photoreduction
for
PBOB
can
reach
584.3
μmol
g
−1
,
7.83
times
higher
than
20.01
PML-Cu.
This
work
offers
valuable
insights
into
regulation
site
design
catalysts.
