Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2708 - 2708
Published: June 6, 2024
In
this
study,
carbon-quantum-dot
(CQD)-decorated
TiO2
was
prepared
using
an
ultrasonic
doping
method
and
applied
in
the
photocatalytic
degradation
of
naphthalene
under
sunlight
irradiation.
The
CQDs
were
synthesized
from
a
typical
macroalgae
via
diluted
sulfuric
acid
pretreatment
hydrothermal
synthesis
optimal
design,
i.e.,
3
wt%
200
°C,
respectively.
CQD/TiO2
composite
remarkably
enhanced
activity.
visible
light
environment
indicated
that
there
is
synergistic
mechanism
between
TiO2,
which
generation
reactive
oxygen
species
significantly
triggered;
addition,
N
originated
accelerated
efficiency.
Kinetic
analysis
showed
behavior
followed
pseudo-first-order
equation.
Consequently,
our
combined
experimental
approach
not
only
provides
facile
process
for
bio-CQDs
synthesis,
but
also
delivers
suitable
photocatalyst
along
with
critical
insights
into
development
harmful
resources.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(20), P. 14392 - 14424
Published: Jan. 1, 2024
The
future
directions
of
photocatalytic
degradation
micropollutants
(pharmaceuticals,
dyes,
pesticides,
etc.
)
and
its
role
in
green
fuel
production
from
wastewater
are
discussed
with
several
examples
modern
photocatalysts.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(17)
Published: Dec. 22, 2023
Abstract
Insufficient
charge
separation
and
slow
exciton
transport
severely
limit
the
utilization
of
perylene‐plane‐based
organic
photocatalysts.
Herein,
a
novel
PTCDA/PTA
(perylene‐3,4,9,10‐tetracarboxylic
dianhydride/perylenetetracarboxylic
acid)
is
successfully
prepared
for
first
time
by
in
situ
crystallization
PTA
on
surface
PTCDA
through
π
–
interaction.
The
loading
with
8%PTCDA
showed
optimum
photocatalytic
performance.
H
2
evolution
rate
reached
45.06
mmol
g
−1
h
,
which
1.93‐fold
4506.00‐fold
higher
than
that
pure
PTCDA.
Meanwhile,
it
also
exhibited
excellent
antibiotics
photodegradation
activities,
both
removal
efficiency
tetracycline
hydrochloride
(TC‐HCl)
ofloxacin
(OFL)
are
more
over
90%
within
30
min.
By
modulating
structures
perylene
plane,
steric
hindrance
internal
dipole
moments
can
be
precisely
tuned.
These
lead
to
change
stacking
mode,
promoting
degree
formation
strong
electric
field,
while
improved
activity.
Excited
state
density
functional
theory
(DFT)
calculations
unveil
redistribution
electron‐hole
pairs,
obeys
type
II
mechanism.
proposed
mechanism
determined
liquid
chromatography‐mass
spectrometry
(LC‐MS).
Besides,
toxicities
degradation
products
evaluated.
work
provides
useful
strategy
design
high‐performance
multifunctional
photocatalysts
toward
water
remediation
energy
production.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(18), P. 10659 - 10675
Published: Jan. 1, 2024
The
morphology
of
CdS
heterojunctions,
which
can
be
rationally
designed
and
fabricated
via
controllable
synthesis
approaches,
influences
their
photocatalytic
performance.
Engineering Science & Technology Journal,
Journal Year:
2024,
Volume and Issue:
5(6), P. 2065 - 2081
Published: June 25, 2024
The
integration
of
renewable
energy
sources
with
fuel
synthesis
represents
a
transformative
approach
to
addressing
the
twin
challenges
sustainability
and
climate
change.
This
review
presents
conceptual
framework
for
coupling
technologies,
such
as
solar,
wind,
biomass,
processes
produce
sustainable,
zero-carbon
fuels.
emphasizes
use
electricity
water
splitting
carbon
dioxide
reduction,
key
steps
in
synthesizing
hydrogen
other
synthetic
highlights
importance
advanced
catalysts
enhancing
efficiency
selectivity
these
chemical
reactions.
Innovations
nanostructured
catalysts,
hybrid
materials,
biomimetic
approaches
are
discussed
their
potential
significantly
improve
performance
durability
catalytic
processes.
Additionally,
underscores
role
characterization
techniques
computational
modeling
understanding
optimizing
catalyst
behavior.
necessitates
technical
associated
scaling
up
production
from
laboratory
industrial
levels.
These
include
ensuring
stability
longevity
under
operational
conditions,
managing
intermittency
sources,
developing
robust
systems
capturing
utilizing
dioxide.
Furthermore,
economic
viability
integrated
is
critical,
requiring
cost-effective
solutions
that
leverage
earth-abundant
materials
optimize
overall
efficiency.
environmental
benefits
integrating
substantial,
offering
pathway
reduce
emissions
reliance
on
fossil
fuels
using
can
lead
closed
cycle,
thereby
mitigating
impact
change
contributing
sustainable
future.
Future
directions
this
field
involve
interdisciplinary
research
further
enhance
performance,
develop
new
refine
process
strategies.
A
roadmap
future
development
includes
prioritizing
areas
improved
design,
efficient
CO2
capture
electrochemical
photochemical
systems.
abstract
concludes
by
underscoring
energy-fuel
integration,
envisioning
where
practices
become
cornerstone
global
Keywords:
Integrating,
Renewable
Energy,
Fuel
Synthesis,
Directions,
Framework.
