Water,
Год журнала:
2024,
Номер
16(18), С. 2563 - 2563
Опубликована: Сен. 10, 2024
Graphitic
carbon
nitride
(g-C3N4)
is
a
promising
material
for
photocatalytic
applications.
However,
it
suffers
from
poor
visible-light
absorption
and
high
recombination
rate
of
photogenerated
electron–hole
pairs.
Here,
Co/La@g-C3N4
with
enhanced
activity
was
prepared
by
co-doping
Co
La
into
g-C3N4
via
facile
one-pot
synthesis.
displayed
better
performance,
achieving
94%
tetracycline
(TC)
removal
within
40
min,
as
compared
(BCN,
65%).
It
also
demonstrated
performance
in
degrading
other
pollutants,
which
~2–4-fold
greater
relative
to
BCN.
The
improved
associated
charge
separation,
reduced
transfer
resistance,
built-in
electric
field
arising
the
p-n-p
heterojunction,
synergistic
effect
ternary
components
separation
carriers.
Superoxide
radicals
are
suggested
be
most
notable
reactive
species
responsible
reaction.
Environmental
factors,
including
pollutant
concentration,
catalyst
dosage,
solution
pH,
inorganic
salts,
water
matrices,
mixture
dyes,
were
considered
reactions.
showed
good
reusability
five
cycles
degradation
TC.
formed
heterojunction
boosted
highly
efficient
TC
various
matrices.