Chemical Synthesis,
Journal Year:
2024,
Volume and Issue:
4(2)
Published: May 28, 2024
The
chemical
upcycling
method
is
a
promising
strategy
to
alleviate
the
pollution
problem
of
waste
plastics
by
tapping
into
their
intrinsic
value
and
converting
them
high
value-added
products.
Zeolite-based
catalysts
are
one
surprising
efficient
classes
thermocatalytic
materials
that
have
recently
attracted
considerable
attention
for
plastic
upcycling.
They
designed
targeted
applications
with
wide
range
adjustable
acidic
sites,
multiple
pore
structures,
synergistic
interactions
surface
metals.
In
this
review,
we
categorize
being
converted
different
high-value
products
introduce
role
zeolite-based
in
thermal
plastics.
structure-performance
relationships
catalytic
reactions
discussed
depth.
Finally,
future
development
these
multifunctional
applied
outlined.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 11, 2024
Abstract
Photocatalytic
reforming
(PR)
of
polyester
waste,
fueled
by
renewable
sources
like
solar
energy,
offers
a
sustainable
method
for
producing
clean
H
2
and
valuable
by‐products
under
mild
conditions.
The
design
high‐performance
photocatalyst
plays
pivotal
role
in
determining
the
efficacy
an
alkaline
PR
system,
influencing
generation
activity
selectivity.
Here,
ultrathin
porous
carbon
nitride
nanosheets
(UP‐CN)
loaded
with
Pt
nanoclusters
(Pt
NCs,
average
diameter
1.7
nm)
uniform
NCs
distribution
are
introduced.
resulting
NCs/UP‐CN
catalyst
can
accelerate
charge
mass
transfer
while
providing
additional
active
sites,
achieving
superior
rates
11.69
mmol
g
cat
−1
h
2923
AM
1.5
light,
which
nine
times
higher
than
that
nanoparticles‐bulk
graphitic
composite
(1.29
258
)
as
counterpart.
This
performance
also
surpasses
previously
reported
nitride‐based
TiO
‐based
photocatalysts.
Moreover,
density
functional
theory
calculations
reveal
significant
reduction
energy
barrier
water
dissociation
step
(H
O
+
*
→
*H
OH)
at
interface
between
UP‐CN
anchored
showcasing
synergistic
effect
UP‐CN.
catalytic
system
exhibits
universality
across
various
plastics.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(44), P. 14082 - 14090
Published: Oct. 22, 2024
Plastic
waste
poses
a
profound
threat
to
ecosystems
and
human
health,
necessitating
novel
strategies
for
effective
degradation
in
nature.
Here,
we
present
approach
utilizing
upconversion
phosphors
as
additives
significantly
accelerate
plastic
photodegradation
nature
via
enhancing
ultraviolet
(UV)
radiation.
Pr-doped
Li
Chemical Synthesis,
Journal Year:
2024,
Volume and Issue:
4(2)
Published: May 28, 2024
The
chemical
upcycling
method
is
a
promising
strategy
to
alleviate
the
pollution
problem
of
waste
plastics
by
tapping
into
their
intrinsic
value
and
converting
them
high
value-added
products.
Zeolite-based
catalysts
are
one
surprising
efficient
classes
thermocatalytic
materials
that
have
recently
attracted
considerable
attention
for
plastic
upcycling.
They
designed
targeted
applications
with
wide
range
adjustable
acidic
sites,
multiple
pore
structures,
synergistic
interactions
surface
metals.
In
this
review,
we
categorize
being
converted
different
high-value
products
introduce
role
zeolite-based
in
thermal
plastics.
structure-performance
relationships
catalytic
reactions
discussed
depth.
Finally,
future
development
these
multifunctional
applied
outlined.
