In
this
research,
S-scheme
heterojunction
photocatalysts
are
prepared
through
the
hybridization
of
nitrogen-rich
g-C3N5
with
TiO2
(coded
as
TCN5-(x):
x
weight
ratio
TiO2:g-C3N5).
The
photocatalytic
potential
TCN5-(x)
is
evaluated
against
benzene
(1–5
ppm)
across
varying
humidity
levels
using
a
dynamic
flow
packed-bed
reactor.
Among
composites,
TCN5-(10)
exhibits
highest
synergy
between
and
at
"x"
10%,
showing
superior
best
degradation
performance
(e.g.,
93.9%
removal
efficiency,
specific
clean
air
delivery
rate
1126.9
L
g–1
h–1,
kinetic
reaction
46.1
nmol
mg–1
min–1,
quantum
yield
6.0
×
10–4
molec.
photon–1,
space-time
1.2
photon–1
mg–1).
formation
an
built-in
internal
electric
field
supported
by
both
theoretical
(through
density
functional
theory
calculations)
photoelectrochemical
bases
improvement
in
band
electrochemistry
along
surface
characteristics
reactive
sites
charge
migrations
interface)).
results
situ
DRIFTS
analysis
confirm
that
oxidation
molecules
accompanied
many
intermediates
phenolate,
maleate,
acetate,
methylene).
outcomes
work
will
help
us
pursue
development
state-of-the-art
system
for
quality
management.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(10), P. 8406 - 8436
Published: May 1, 2024
As
one
of
the
best
sustainable
approaches
for
visible-light
production
hydrogen
(H2)
to
meet
energy
demands,
semiconductor-based
photocatalysis
has
received
broad
interest
in
recent
decades.
The
fundamental
restrictions
graphitic
carbon
nitride
(g-C3N4)
as
a
promising
metal-free
photocatalytic
semiconductor
water
splitting,
like
insufficient
harvesting
and
high
electron–hole
(e/h)
pairs
recombination,
have
limited
its
applications
this
goal.
In
regard,
optical,
charge
separation,
surface
features
g-C3N4
can
be
tuned
via
engineering
C/N
vacancies,
which
is
reviewed
here
splitting
by
g-C3N4.
Reports
confirm
that
enhanced
resulting
from
vacancies
are
helpful
adsorption
on
surface,
improving
water-splitting
kinetics.
First
Review,
improvements
structural
optical
characteristics
introducing
especially
nitrogen
will
discussed
illustrate
better
performance.
Then,
various
strategies
creating
controlling
reviewed.
critical
roles
optimizing
performance
also
described,
finally
advances
defective
oxidation
addressed.
Environmental Science Nano,
Journal Year:
2024,
Volume and Issue:
11(5), P. 1948 - 1966
Published: Jan. 1, 2024
A
novel
CuAl
2
O
4
/MoS
/BaFe
12
19
photocatalyst
is
synthesized
that
simultaneously
couples
type
I
and
Z-scheme
heterojunctions
exhibits
high
photocatalytic
activity
for
the
degradation
of
TC
under
simulated
sunlight
irradiation.
