Angewandte Chemie International Edition,
Journal Year:
2019,
Volume and Issue:
59(11), P. 4519 - 4524
Published: Dec. 26, 2019
Abstract
BiOBr
containing
surface
oxygen
vacancies
(OVs)
was
prepared
by
a
simple
solvothermal
method
and
combined
with
graphitic
carbon
nitride
(g‐C
3
N
4
)
to
construct
heterojunction
for
photocatalytic
oxidation
of
nitric
oxide
(NO)
reduction
dioxide
(CO
2
).
The
formation
the
enhanced
transfer
separation
efficiency
photogenerated
carriers.
Furthermore,
OVs
sufficiently
exposed
catalytically
active
sites,
enabled
capture
photoexcited
electrons
at
catalyst.
Internal
recombination
charges
also
limited,
which
contributed
generation
more
NO
oxidation.
Heterojunction
worked
together
form
spatial
conductive
network
framework,
achieved
63
%
removal,
96
selectivity
carbonaceous
products
(that
is,
CO
CH
stability
catalyst
confirmed
cycling
experiments
X‐ray
diffraction
transmission
electron
microscopy
after
removal.
Environmental Science & Technology,
Journal Year:
2020,
Volume and Issue:
54(16), P. 10342 - 10350
Published: July 15, 2020
Exploring
active
and
low-cost
transition
metal
oxides
(TMOs)
based
catalysts
for
volatile
organic
compounds
(VOCs)
abatement
is
vital
air
pollution
control
technologies.
Since
18
oxygen
atoms
are
required
the
complete
mineralization
of
a
toluene
molecule,
participation
large
amount
key
requirement
catalytic
oxidation
toluene.
Here,
degradation
was
improved
by
weakening
Co-O
bond
strength
on
surface
cobalt
oxide,
so
as
to
increase
species,
while
maintaining
high
stability
catalyst
combustion.
The
O2
regulated
tuning
pyrolysis
temperature.
catalyst's
redox
ability
species
activity
due
strength.
It
has
been
demonstrated
that
plays
crucial
role
in
boosting
combustion
engineering
oxide
catalysts.
This
work
provides
new
understanding
exploration
development
high-performance
TMO
VOCs
abatement.
