Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(18), P. 2614 - 2614
Published: Sept. 21, 2023
The
visible-light-driven
photocatalytic
degradation
of
pharmaceutical
pollutants
in
aquatic
environments
is
a
promising
strategy
for
addressing
water
pollution
problems.
This
work
highlights
the
use
bromine-ion-doped
layered
Aurivillius
oxide,
Bi2WO6,
to
synergistically
optimize
morphology
and
increase
formation
active
sites
on
photocatalyst's
surface.
Bi2WO6
nanoplates
were
synthesized
by
facile
hydrothermal
reaction
which
bromine
(Br-)
ions
introduced
adding
cetyltrimethylammonium
bromide
(CTAB)/tetrabutylammonium
(TBAB)/potassium
(KBr).
as-synthesized
displayed
higher
tetracycline
activity
(~83.5%)
than
microspheres
(~48.2%),
obtained
without
addition
Br
precursors
medium.
presence
Br-
was
verified
experimentally,
newly
formed
developed
as
where
adsorbed
restricted
multilayer
stacking.
Considering
significant
change,
increased
specific
surface
area,
enhanced
performance,
using
synthesis
approach
mediated
design
photocatalysts
expected
be
system
advancing
remediation.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(2), P. 148 - 148
Published: Feb. 4, 2025
With
unique
photochemical
properties,
graphitic
carbon
nitride
(g-C3N4)
has
gained
significant
attention
for
application
in
photocatalytic
degradation
of
a
wide
range
organic
pollutants.
However,
its
performance
is
limited
by
the
rapid
electron–hole
recombination
and
relatively
weak
redox
capability.
Substantial
progress
been
made
preparation
g-C3N4-based
photocatalysts
with
enhanced
activity.
This
review
summarizes
recent
advances
strategies
to
improve
activity
their
Morphology
control,
doping,
functionalization,
metal
deposition,
dye
sensitization,
defect
engineering,
construction
heterojunctions
can
be
used
g-C3N4
through
promoting
charge
carrier
separation,
reducing
bandgap,
suppressing
recombination.
Furthermore,
oxidants,
such
as
hydrogen
peroxide
persulfate,
coupled
enhance
generation
reactive
oxygen
species
boost
Precise
control
over
structure
during
synthesis
process
remains
challenge,
further
improvements
are
required
photocatalyst
stability
mineralization
rates
More
research
development
effort
needed
address
existing
challenges,
refine
design
activity,
promote
practical
pollutant
degradation.
