ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(9), P. 11375 - 11387
Published: Feb. 22, 2022
Point
defects
in
piezoelectric
semiconductors
play
a
significant
role
regulating
the
piezocatalytic
performance.
However,
of
metal
vacancies
piezocatalysis
has
been
less
explored
than
that
oxygen
vacancies.
Herein,
Bi2WO6
(BWO)
nanosheets
with
tunable
Bi
were
synthesized
using
an
ion
exchange
method.
High-resolution
transmission
electron
microscopy
directly
revealed
existence
lattice
BWO
and
precipitation
quasiparticles.
The
highest
concentration
exhibited
excellent
decomposition
efficiency
(7.83
×
10-2
min-1)
over
rhodamine
B
under
ultrasound.
phenomenon
is
mainly
attributed
to
increased
charge
carrier
as
consequence
defect
energy
levels.
In
addition,
enhancement
light
absorption
capacity
caused
by
surface
plasmon
resonance
effect
quasiparticles
indicates
ions
escape
from
combine
free
electrons
around
form
quantum
dots,
which
function
traps
facilitate
separation
carriers
during
process.
This
work
systematically
reveals
essential
affiliation
clusters
piezocatalysts
verifies
significance
vacancy
engineering
application.
ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(9), P. 11375 - 11387
Published: Feb. 22, 2022
Point
defects
in
piezoelectric
semiconductors
play
a
significant
role
regulating
the
piezocatalytic
performance.
However,
of
metal
vacancies
piezocatalysis
has
been
less
explored
than
that
oxygen
vacancies.
Herein,
Bi2WO6
(BWO)
nanosheets
with
tunable
Bi
were
synthesized
using
an
ion
exchange
method.
High-resolution
transmission
electron
microscopy
directly
revealed
existence
lattice
BWO
and
precipitation
quasiparticles.
The
highest
concentration
exhibited
excellent
decomposition
efficiency
(7.83
×
10-2
min-1)
over
rhodamine
B
under
ultrasound.
phenomenon
is
mainly
attributed
to
increased
charge
carrier
as
consequence
defect
energy
levels.
In
addition,
enhancement
light
absorption
capacity
caused
by
surface
plasmon
resonance
effect
quasiparticles
indicates
ions
escape
from
combine
free
electrons
around
form
quantum
dots,
which
function
traps
facilitate
separation
carriers
during
process.
This
work
systematically
reveals
essential
affiliation
clusters
piezocatalysts
verifies
significance
vacancy
engineering
application.
