Nanotechnology,
Journal Year:
2024,
Volume and Issue:
35(49), P. 495704 - 495704
Published: Sept. 19, 2024
Abstract
The
selective
cleavage
of
lignin
C–C
bonds
is
a
highly
sought-after
process
with
the
goal
obtaining
low-molecular-weight
aromatic
chemicals
from
renewable
resources.
However,
it
remains
challenging
task
to
achieve
under
mild
conditions.
Photocatalysis
potentially
promising
approach
address
this
issue,
but
development
efficient
photocatalysts
still
in
progress.
In
study,
we
introduce
heterostructured
TiO
2
@g-C
3
N
4
photocatalyst
for
visible
light
photocatalytic
procedure
displays
favourable
absorption,
charge
separation
efficiency,
and
reusability.
A
typical
β
–O–4
dimer
model,
2-phenoxy-1-phenylethanol,
was
effectively
(96.0%
conversion)
selectively
(95.0
selectivity)
cleaved
at
ambient
This
also
effective
when
subjected
solar
irradiation
or
other
models
-1
linkages.
reaction
occurred
through
C
-centred
radical
intermediate
six-membered
transition
state
photogenerated
holes
as
primary
active
species.
α
–OH
oxidative
dehydrogenation
substrate
could
take
place
relatively
minor
route.
study
provides
new
visible-light-driven
valorisation
sheds
on
design
high-performance
nanocomposite
bond
cleavage.
Catalysis Science & Technology,
Journal Year:
2024,
Volume and Issue:
14(8), P. 2294 - 2304
Published: Jan. 1, 2024
Successfully
dispersed
the
Zn
4
In
2
S
7
clusters,
synthesizing
2D/2D
S-scheme
heterojunction
photocatalyst,
showing
excellent
ability
to
selectively
cleave
C
β
–O
bonds
in
lignin.
Journal of Wood Chemistry and Technology,
Journal Year:
2024,
Volume and Issue:
44(2), P. 65 - 87
Published: Jan. 25, 2024
Lignin,
as
the
only
non-petrochemical
resource
in
nature
that
can
provide
renewable
aromatic-based
compounds,
has
a
complex
and
recalcitrant
structure.
Photocatalysis
received
increasing
attention
recent
years
due
to
its
ability
cleave
C–O
C–C
bonds
of
lignin
under
mild
conditions.
Herein,
lignin's
composition
structure,
photocatalytic
depolymerization
substrates,
multiphase
photocatalyst,
selective
are
presented,
among
which,
focus
is
on
metal
oxide,
nitride,
sulfide
photocatalysts
through
heterojunction
construction,
doping,
defect
morphology
modulation
strategies
improve
performance
photocatalysis.
Reaction
pathways
reaction
mechanisms
involved
process
were
also
further
analyzed
facilitate
understanding
relationship
between
photocatalyst
structure
performance,
better
design
high-performance
rational
experimental
procedures.
In
addition,
certain
achieve
both
degradation
H2
generation,
enhance
higher
output
value
biomass
resourcing.
