Water Science & Technology,
Journal Year:
2023,
Volume and Issue:
88(7), P. 1910 - 1925
Published: Sept. 28, 2023
To
improve
the
visible
light-induced
catalytic
activities
of
Ultrathin
g-C3N4
(UCN),
a
promising
photocatalyst
WO3/UCN
(WU)
was
synthesized.
Its
light-driven
photocatalysis
performance
controllable
by
adjusting
theoretical
mass
ratio
WO3/UCN.
We
have
calibrated
optimal
preparation
conditions
to
be:
as
1:1,
stirring
time
UCN
and
sodium
tungstate
mixture
9
h
volume
concentrated
hydrochloric
acid
6
mL
which
poured
into
solution
with
an
extra
1.5
h.
The
WUopt
had
porous
wrinkled
configurations.
light
absorption
edge
524
nm
while
that
465
nm.
band
gap
2.13
eV,
0.3
eV
less
than
UCN.
Therefore,
recombination
rate
photo-generated
electron-hole
pairs
reduced
significantly.
removal
on
RhB
97.3%.
By
contrast,
much
lower
(53.4%).
retained
high
rate,
it
5.5%
initial
one
after
being
reused
for
five
cycles.
photodegradation
mechanism
facilitated
through
strong
oxidation
behaviors
from
active
free
radicals
·O2-,
·OH
h+
generated
under
irradiation.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(7), P. 4946 - 4965
Published: Jan. 1, 2024
Nowadays,
environmental
pollution
and
the
energy
crisis
are
two
significant
concerns
in
world,
photocatalysis
is
seen
as
a
key
solution
to
these
issues.
All-inorganic
lead
halide
perovskites
have
been
extensively
utilized
become
one
of
most
promising
materials
recent
years.
The
superior
performance
all-inorganic
distinguish
them
from
other
photocatalysts.
Since
pure
typically
shortcomings,
such
low
stability,
poor
active
sites,
ineffective
carrier
extraction,
that
restrict
their
use
photocatalytic
reactions,
it
crucial
enhance
activity
stability.
Huge
progress
has
made
deal
with
critical
issues
effects
efficient
photocatalysts
wide
range
applications.
In
this
manuscript,
synthesis
methods
discussed,
strategies
proposed
for
performance.
Moreover,
research
applications
summarized;
finally,
perovskite
at
current
state
future
directions
also
analyzed
discussed.
We
hope
manuscript
will
provide
novel
insights
researchers
further
promote
on
based
perovskites.
