The
development
of
low-cost
and
high-efficiency
photocatalysts
for
the
degradation
organic
pollutants
has
been
an
essential
feasible
approach
to
environmental
remediation.
However,
conventional
powder
suffer
from
agglomeration,
limited
light
utilization,
reuse
difficulties,
which
hinder
their
large-scale
practical
application.
Herein,
a
floatable
flower-like
plasmonic
Bi/BiOCl-loaded
hollow
kapok
fiber
(KF/Bi/BC)
photocatalyst
was
synthesized
by
facile
solvothermal
method.
It
exhibited
excellent
photocatalytic
RhB,
OFX,
TC
under
UV-vis
irradiation.
incorporation
metallic
Bi
not
only
greatly
enhanced
absorption
BiOCl
in
visible
region
but
also
served
as
effective
"electron
trap",
facilitating
efficient
separation
transfer
photogenerated
electrons
holes.
Furthermore,
remarkable
floatability
catalyst
contributes
improved
utilization
facilitates
recycling
catalyst.
This
work
provided
convenient,
effective,
method
fabrication
with
catalytic
properties,
great
potential
applications.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
15(5), P. 1412 - 1419
Published: Jan. 30, 2024
Owing
to
its
unique
layered
structure,
BiOCl
demonstrates
high
photocatalytic
activity.
However,
wide
bandgap
hinders
the
absorption
of
visible
light.
Doping
modification
is
an
effective
method
expand
light
edge
photocatalysts
by
creating
a
doping
energy
level
within
bandgap.
Herein,
Co
as
variable
valence
element
was
used
dope
nanosheets
through
simple
hydrothermal
approach.
As
result,
Co–BiOCl
extends
region,
and
performance
enhanced
3.02
times.
To
overcome
shortcoming
photons
being
consumed
easily
in
bulk
reactor,
planar
microreactor
introduced
reduce
attenuation
accelerate
mass
transfer.
By
comparison
maximum
15.3-fold
additional
activity
promotion
emerged.
This
work
combines
reactor
improvement
realize
highly
efficient
photocatalysis
practical
application.
Materials,
Journal Year:
2025,
Volume and Issue:
18(1), P. 202 - 202
Published: Jan. 5, 2025
Phthalocyanine-sensitized
TiO2
significantly
enhances
photocatalytic
performance,
but
the
method
of
phthalocyanine
immobilization
also
plays
a
crucial
role
in
its
performance.
In
order
to
investigate
effect
binding
strategy
and
on
dual-pathway
study
has
been
conducted.
On
one
hand,
zinc-tetra
(N-carbonylacrylic)
aminephthalocyanine
(Pc)
was
directly
grafted
onto
surface
Fe3O4@SiO2@TiO2
(FST).
other
Pc
immobilized
silane
coupling
agent
((3-aminopropyl)
triethoxysilane)
FST.
Through
experiments
two
types
composite
materials
synthesized,
results
showed
that
photocatalyst
obtained
by
sensitizing
(FSTP)
exhibited
better
performance
rhodamine
B(RhB)
removal
than
did
using
(FSTAP).
Further
mechanistic
studies
sensitized
FSTP
more
efficient
photogenerated
electron–hole
pair
separation,
whereas
FSTAP
linked
created
an
additional
transport
distance
might
greatly
affect
electron
transport.
Therefore,
research
this
work
provides
new
guidance
for
efficiently
constructing
phthalocyanine-sensitized
photocatalysts.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(8)
Published: Feb. 1, 2025
Abstract
Photocatalytic
hydrogen
peroxide
production
is
considered
an
important
technology
for
alleviating
environmental
problems
and
energy
scarcity
at
present.
In
this
work,
a
series
of
BiOCl/BiOBr
Z‐type
heterojunctions
were
successfully
synthesized
by
facile
one‐step
method.
The
successful
formation
the
heterostructure
was
confirmed
through
techniques
such
as
XRD,
SEM,
HRTEM,
FTIR,
XPS.
Notably,
heterojunction
exhibited
significantly
enhanced
photocatalytic
performance
in
production.
best
performing
sample
(BiOCl/BiOBr
2:8)
showed
highest
concentration
10.8
mmol/L.
PL
EIS
results
demonstrated
crucial
role
promoting
charge
transfer
separation
during
process,
retaining
strong
redox
ability
electrons/holes
on
different
active
sites.
free
radical
trapping
experiments
electron
spin
resonance
spectra
that
pathway
as‐prepared
dual‐channel
route,
from
both
oxygen
reduction
water
oxidation.
This
work
might
provide
reliable
strategy
via
photocatalysis.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(23)
Published: June 18, 2024
Abstract
In
latest
events,
water
pollution
has
posed
an
immense
threat,
and
its
sustainable
treatment
is
a
topic
of
concern.
Among
myriad
treatment,
research
community
lensed
towards
heterogeneous
photocatalysis
especially,
inorganic
semiconductors.
Bismuth
tungstate
pristine
Aurivillius
compound
with
unique
crystal
structure,
exceptional
photochemical
stability,
strong
redox
abilities
but
minimum
visible
light
absorption
quick
carrier
recombination
are
caveats,
these
caveats
circumvented
by
synthesizing
BiOX
(X=F,
Cl,
Br
I)
composites
surface
modifiers,
doping
hetero
atoms
(metals
non‐metals),
construction
the
heterojunction
amalgamation
carbon
materials.
The
heart
this
review
strategic
engineering
flower‐like
morphology
photocatalyst
synthesis
optical
properties,
it
also
discusses
charge
transfer
kinetics,
photocatalytic
performance,
durability.
highlighted
in
due
to
ability
harvest
light,
providing
larger
specific
area
which
introduces
more
active
sites
efficient
excitons
generation.
comprehensive
tabulated
data
will
help
actively
engaged
heterogenous
photocatalysis.
It
sheds
on
future
view
environmental
remediation
via
developments.
