Science and Technology of Advanced Materials,
Journal Year:
2023,
Volume and Issue:
24(1)
Published: March 13, 2023
Carbon
nitrides,
a
distinguished
class
of
metal-free
catalytic
materials,
have
presented
good
potential
for
chemical
transformations
and
are
expected
to
become
prominent
materials
organocatalysis.
This
is
largely
possible
due
their
low
cost,
exceptional
thermal
stability,
non-toxicity,
ease
functionalization,
porosity
development,
etc.
Especially,
the
carbon
nitrides
with
increased
nitrogen
contents
more
versatile
than
bulk
counterparts
catalysis.
These
N-rich
discussed
in
earlier
parts
review.
Later,
review
highlights
role
such
nitride
various
organic
reactions
including
Knoevenagel
condensation,
oxidation,
hydrogenation,
esterification,
transesterification,
cycloaddition,
hydrolysis.
The
recently
emerging
concepts
nitride-based
organocatalysis
been
given
special
attention.
In
each
sections,
structure-property
relationship
was
related
catalysis
action.
Relevant
comparisons
other
also
realize
real
value.
perspective,
challenges,
future
directions
discussed.
overall
objective
this
provide
up-to-date
information
on
new
developments
that
could
see
them
rising
as
future.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: May 20, 2023
Rationally
designing
broad-spectrum
photocatalysts
to
harvest
whole
visible-light
region
photons
and
enhance
solar
energy
conversion
is
a
"holy
grail"
for
researchers,
but
still
challenging
issue.
Herein,
based
on
the
common
polymeric
carbon
nitride
(PCN),
hybrid
co-catalysts
system
comprising
plasmonic
Au
nanoparticles
(NPs)
atomically
dispersed
Pt
single
atoms
(PtSAs)
with
different
functions
was
constructed
address
this
challenge.
For
dual
decorated
PCN
(PtSAs-Au2.5/PCN),
photoexcited
generate
electrons
under
UV
short-wavelength
visible
light,
synergetic
NPs
PtSAs
not
only
accelerate
charge
separation
transfer
though
Schottky
junctions
metal-support
bond
also
act
as
H2
evolution.
Furthermore,
absorb
long-wavelength
light
owing
its
localized
surface
plasmon
resonance,
adjacent
trap
hot-electrons
evolution
via
direct
electron
effect.
Consequently,
PtSAs-Au2.5/PCN
exhibits
excellent
photocatalytic
activity
rate
of
8.8
mmol
g-1
h-1
at
420
nm
264
μmol
550
nm,
much
higher
than
that
Au2.5/PCN
PtSAs-PCN,
respectively.
This
work
provides
new
strategy
design
reaction.
Physical Chemistry Chemical Physics,
Journal Year:
2022,
Volume and Issue:
24(35), P. 20638 - 20673
Published: Jan. 1, 2022
Recent
developments
and
future
scope
in
solution-assisted
synthesis
of
transition
metal
chalcogenides
are
reviewed
from
both
fundamental
applied
aspects
photo-electrocatalytic
hydrogen
evolution.
Small Methods,
Journal Year:
2022,
Volume and Issue:
6(12)
Published: Nov. 6, 2022
Inspired
by
natural
photosynthesis,
harnessing
the
wide
range
of
solar
energy
and
utilizing
appropriate
semiconductor-based
catalysts
to
convert
carbon
dioxide
into
beneficial
species,
for
example,
CO,
CH4
,
HCOOH,
CH3
COH
have
been
shown
be
a
sustainable
more
environmentally
friendly
approach.
Graphitic
nitride
(g-C3
N4
)
has
regarded
as
highly
effective
photocatalyst
CO2
reduction
reaction,
owing
its
cost-effectiveness,
high
thermal
chemical
stability,
visible
light
absorption
capability,
low
toxicity.
However,
weaker
electrical
conductivity,
fast
recombination
rate,
smaller
window,
reduced
surface
area
make
this
catalytic
material
unsuitable
commercial
photocatalytic
applications.
Therefore,
certain
procedures,
including
elemental
doping,
structural
modulation,
functional
group
adjustment
g-C3
addition
metal
complex
motif,
others,
may
used
improve
activity
towards
reduction.
This
review
investigated
scientific
community's
perspectives
on
synthetic
pathways
optimization
approaches
increase
selectivity
efficiency
-based
hybrid
structures,
well
their
benefits
drawbacks
Finally,
concludes
comparative
discussion
presents
promising
picture
future
scope
improvements.
