A
new
kind
of
group-modified
polymeric
carbon
nitride
(PCN)
photocatalyst
was
synthetized
with
urea
and
4-Nitro-o-phenylenediamine
(NPD)
by
one-pot
method
applied
to
degrade
bisphenol
(BPA)
in
aqueous
solution.
The
light
response
range
had
been
extended
a
lot
due
conjugation
electron
withdrawing
properties
nitrobenzene.
introduction
nitrobenzene
changed
nanostructures
PCN
led
an
increased
specific
surface
area.
XPS
EPR
results
proved
that
more
sp2
N
vacancies
were
introduced
grafting
Theoretical
simulation
demonstrated
this
group
modification
on
beneficial
for
enhanced
Donor-Acceptor
(D-A)
structures
thus
promotional
charge
separation.
photocatalytic
performance
BPA
degradation
promoted
10
times
than
unmodified
PCN.
To
verify
the
universality
strategies,
we
prepared
other
two
kinds
photocatalysts
via
electron-withdrawing
strategy
their
all
improved
obviously.
New Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
47(34), P. 16235 - 16244
Published: Jan. 1, 2023
The
formation
schematic
is
representative
of
the
CN/O-doped
ZIS
composite.
First,
pure
g-C
3
N
4
powder
was
prepared
by
directly
calcining
melamine
in
a
muffle
furnace.
Then
composites
were
via
hydrothermal
method.
Materials Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
8(23), P. 3859 - 3876
Published: Jan. 1, 2024
This
review
mainly
summarises
the
progress
in
preparation
methods
of
organic
compound/g-C
3
N
4
.
Various
materials
such
as
different
types
composites
and
their
related
energy
environmental
applications
are
discussed.
CuFe2O4
particles
were
synthesized
using
the
sol-gel
self-combustion
method
and
characterized
for
their
compositional
surface
morphology
crystal
structure.
In
comparison
to
photo-Fenton
system
without
ascorbic
acid
(AA),
presence
of
AA
resulted
in
significantly
enhanced
catalytic
degradation
phenol
CuFe2O4.
The
highest
efficiency
was
achieved
at
an
concentration
1
mM/L,
resulting
up
99.4%
elimination
just
40
min.
reaction
rate
found
be
31.7
times
higher
than
that
AA.
mechanism
enhancement
further
investigated.
Two
key
factors
contribute
enhancing
introduction
system.
First,
promoted
Cu/Fe
redox
cycle
on
catalyst
surface,
leading
a
more
efficient
generation
reactive
species
which
are
responsible
degradation.
Second,
accelerated
leaching
metal
ions
from
assisting
homogenous
Fenton
effect.
bimetallic
offers
new
perspectives
effective
design
crucial
insights
reductant-enhanced
activation.
A
new
kind
of
group-modified
polymeric
carbon
nitride
(PCN)
photocatalyst
was
synthetized
with
urea
and
4-Nitro-o-phenylenediamine
(NPD)
by
one-pot
method
applied
to
degrade
bisphenol
(BPA)
in
aqueous
solution.
The
light
response
range
had
been
extended
a
lot
due
conjugation
electron
withdrawing
properties
nitrobenzene.
introduction
nitrobenzene
changed
nanostructures
PCN
led
an
increased
specific
surface
area.
XPS
EPR
results
proved
that
more
sp2
N
vacancies
were
introduced
grafting
Theoretical
simulation
demonstrated
this
group
modification
on
beneficial
for
enhanced
Donor-Acceptor
(D-A)
structures
thus
promotional
charge
separation.
photocatalytic
performance
BPA
degradation
promoted
10
times
than
unmodified
PCN.
To
verify
the
universality
strategies,
we
prepared
other
two
kinds
photocatalysts
via
electron-withdrawing
strategy
their
all
improved
obviously.