Small,
Journal Year:
2023,
Volume and Issue:
20(2)
Published: Sept. 5, 2023
Abstract
Cyano‐rich
g‐C
3
N
4
materials
are
widely
used
in
various
fields
of
photochemistry
due
to
the
very
powerful
electron‐absorbing
ability
and
electron
storage
function
cyano,
as
well
its
advantages
improving
light
absorption,
adjusting
energy
band
structure,
increasing
polarization
rate
density
active
site
concentration,
promoting
oxygen
activation
ability.
Notwithstanding,
there
is
yet
a
huge
knowledge
break
design,
preparation,
detection,
application,
prospect
cyano‐rich
.
Accordingly,
an
overall
review
arranged
substantially
comprehend
research
progress
position
materials.
An
overview
current
synthesis,
characterization
(determination
their
location
quantity),
reaction
mechanism
analysis
provide
quantity
novel
suggestions
for
cyano‐modified
carbon
nitride
materials'
construction
provided.
In
view
prevailing
challenges
outlooks
materials,
this
paper
will
purify
growth
direction
,
achieve
more
in‐depth
exploration
broaden
applications
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(20), P. 20560 - 20569
Published: Oct. 4, 2023
Inefficient
charge
separation
and
slow
interfacial
reaction
dynamics
significantly
hamper
the
efficiency
of
photocatalytic
CO2
reduction.
Herein,
a
facile
EDC/NHS-assisted
linking
strategy
was
developed
to
enhance
in
heterojunction
photocatalysts.
Using
this
approach,
we
successfully
synthesized
amide-bonded
carbon
quantum
dot-g-C3N4
(CQD-CN)
The
formation
amide
covalent
bonds
between
CN
CQDs
CN-CQD
facilitates
efficient
carrier
migration,
adsorption,
activation.
Exploiting
these
advantages,
photocatalysts
exhibit
high
selectivity
with
CO
CH4
evolution
rates
79.2
2.7
μmol
g-1
h-1,
respectively.
These
are
about
1.7
3.6
times
higher
than
those
CN@CQD
bulk
CN,
Importantly,
demonstrate
exceptional
stability,
even
after
12
h
continuous
testing.
presence
COOH*
signal
is
identified
as
crucial
intermediate
species
conversion
CO.
This
study
presents
bonding
engineering
for
developing
high-performance
solar-driven
reduction
CO2.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(5)
Published: Sept. 13, 2023
Efficient
utilization
of
sunlight
in
photocatalysis
is
widely
recognized
as
a
promising
solution
for
addressing
the
growing
energy
demand
and
environmental
issues
resulting
from
fossil
fuel
consumption.
Recently,
there
have
been
significant
developments
various
near-infrared
(NIR)
light-harvesting
systems
artificial
photosynthesis
photocatalytic
remediation.
This
review
provides
an
overview
most
recent
advancements
NIR
light
through
creation
novel
nanostructured
materials
molecular
photosensitizers,
well
modulating
strategies
to
enhance
processes.
A
special
focus
given
emerging
two-photon
excitation
photocatalysis.
The
unique
features
limitations
different
are
critically
evaluated.
In
particular,
it
highlights
advantages
utilizing
compared
UV-visible
irradiation
one-photon
excitation.
Ongoing
challenges
potential
solutions
future
exploration
light-responsive
also
discussed.
EES Catalysis,
Journal Year:
2024,
Volume and Issue:
2(2), P. 411 - 447
Published: Jan. 1, 2024
This
review
comprehensively
summarizes
the
recent
advances
on
crystalline
carbon
nitrides,
including
their
preparation,
optimization
strategies,
photocatalytic
applications,
as
well
challenges
and
prospects.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(4), P. 2775 - 2786
Published: Feb. 7, 2024
Frustrated
Lewis
pairs
(FLPs)
with
a
unique
"push–pull"
effect
can
effectively
activate
many
types
of
molecules
to
obtain
unanticipated
catalytic
activity.
Herein,
FLPs
are
introduced
into
polymeric
carbon
nitride
(CN),
and
their
functions
in
the
photocatalytic
synthesis
H2O2
studied.
The
B-doped
CN
(BCN)
constituted
by
electron-deficient
boron
as
acid
sites
nitrogen
neighbored
cyano
groups
base
sites.
formation
improve
light
absorption
ability
separation
photogenerated
carriers.
afford
strong
adsorption
O2,
but
cannot
produce
directly
because
activation
oxygen
bonds
leads
bond
scission
during
reduction.
enhance
production
through
effective
ethanol
(ETOH)
FLPs.
reduction
O2
is
found
•O2–
1O2
species.
rate
on
BCN
reach
51,008
μM
g–1
h–1,
which
over
12
times
that
pristine
(4113
h–1).
This
study
not
only
provides
an
approach
for
enhancing
also
deepens
understanding
role
molecule
activation.
Small,
Journal Year:
2024,
Volume and Issue:
20(34)
Published: April 10, 2024
Abstract
The
high
exciton
binding
energy
(
E
b
)
and
sluggish
surface
reaction
kinetics
have
severely
limited
the
photocatalytic
hydrogen
production
activity
of
carbon
nitride
(CN).
Herein,
a
hybrid
system
consisting
nitrogen
defects
Pt
single
atoms
is
constructed
through
facile
self‐assembly
photodeposition
strategy.
Due
to
acceleration
dissociation
regulation
local
electron
density
along
with
introduction
defects,
optimized
Pt‐MCT‐3
exhibits
rate
172.0
µmol
h
−1
λ
≥
420
nm),
≈41
times
higher
than
pristine
CN.
apparent
quantum
yield
for
determined
be
27.1%
at
nm.
experimental
characterizations
theoretical
calculations
demonstrate
that
act
as
traps
dissociation,
resulting
in
decrease
from
86.92
43.20
meV.
Simultaneously,
stronger
interaction
between
neighboring
directionally
drives
free
electrons
aggregate
around
atoms,
tailors
d
‐band
Pt,
forming
moderate
strength
H*
intermediates.
