Small,
Journal Year:
2022,
Volume and Issue:
18(46)
Published: Oct. 10, 2022
Synthesis
of
high-efficiency,
cost-effective,
and
stable
photocatalysts
has
long
been
a
priority
for
sustainable
photocatalytic
CO2
reduction
reactions
(CRR),
given
its
importance
in
achieving
carbon
neutrality
goals
under
the
new
development
philosophy.
Fundamentally,
sluggish
interface
charge
transportation
poor
selectivity
products
remain
challenge
CRR
progress.
Herein,
this
work
unveils
synergistic
effect
between
high-density
monodispersed
Bi/carbon
dots
(CDs)
ultrathin
graphite
phase
nitride
(g-C3
N4
)
nanomeshes
plasma-assisted
CRR.
The
optimal
g-C3
/Bi/CDs
heterojunction
displays
high
98%
CO
production
with
yield
up
to
22.7
µmol
g-1
without
any
sacrificial
agent.
situ
confined
growth
plasmonic
Bi
clusters
favors
more
hot
carriers
improves
conductivity
.
Meanwhile,
built-in
electric
field
driving
force
modulates
directional
injection
photogenerated
holes
from
photosensitive
units
adjacent
CDs
reservoirs,
thus
promoting
rapid
separation
oriented
transfer
process.
This
sheds
light
on
mechanism
provides
pathway
designing
highly
efficient
plasma-involved
photocatalysts.
Green Energy & Environment,
Journal Year:
2022,
Volume and Issue:
9(2), P. 166 - 197
Published: Dec. 13, 2022
Photocatalysis
driven
by
abundant
yet
intermittent
solar
energy
has
considerable
potential
in
renewable
generation
and
environmental
remediation.
The
outstanding
electronic
structure
physicochemical
properties
of
graphitic
carbon
nitride
(g-C3N4),
together
with
unique
metal-free
characteristic,
make
them
ideal
candidates
for
advanced
photocatalysts
construction.
This
review
summarizes
the
up-to-date
advances
on
g-C3N4
based
from
ingenious-design
strategies
diversified
photocatalytic
applications.
Notably,
advantages,
fabrication
methods
limitations
each
design
strategy
are
systemically
analyzed.
In
order
to
deeply
comprehend
inner
connection
theory–structure–performance
upon
photocatalysts,
structure/composition
designs,
corresponding
activities
reaction
mechanisms
jointly
discussed,
associated
introducing
their
applications
toward
water
splitting,
dioxide/nitrogen
reduction
pollutants
degradation,
etc.
Finally,
current
challenges
future
perspectives
materials
photocatalysis
briefly
proposed.
These
also
instructive
constructing
other
environment-related
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(7), P. 1147 - 1147
Published: July 24, 2023
As
a
broad-spectrum
antibiotic,
tetracycline
(TC)
has
been
continually
detected
in
soil
and
seawater
environments,
which
poses
great
threat
to
the
ecological
environment
human
health.
Herein,
black
graphitic
carbon
nitride
(CN-B)
photocatalyst
was
synthesized
by
one-step
calcination
method
of
urea
phloxine
B
for
degradation
TC
under
visible
light
irradiation.
The
experimental
results
showed
that
photocatalytic
rate
optimal
CN-B-0.1
92%
at
room
temperature
within
2
h,
1.3
times
pure
CN
(69%).
This
excellent
performance
stems
from
following
factors:
(i)
ultrathin
nanosheet
thickness
reduces
charge
transfer
distance;
(ii)
cyanogen
defect
promotes
photogenerated
carriers’
separation;
(iii)
photothermal
effect
CN-B
increases
reaction
enhances
activity.
study
provides
new
insight
into
design
photocatalysts
photothermal-assisted
antibiotic
pollutants.
