Chemical Society Reviews,
Год журнала:
2020,
Номер
49(12), С. 4135 - 4165
Опубликована: Янв. 1, 2020
In
the
light
of
increasing
energy
demand
and
environmental
pollution,
it
is
urgently
required
to
find
a
clean
renewable
source.
these
years,
photocatalysis
that
uses
solar
for
either
fuel
production,
such
as
hydrogen
evolution
hydrocarbon
or
pollutant
degradation,
has
shown
great
potential
achieve
this
goal.
Among
various
photocatalysts,
covalent
organic
frameworks
(COFs)
are
very
attractive
due
their
excellent
structural
regularity,
robust
framework,
inherent
porosity
good
activity.
Thus,
many
studies
have
been
carried
out
investigate
photocatalytic
performance
COFs
COF-based
photocatalysts.
critical
review,
recent
progress
advances
COF
photocatalysts
thoroughly
presented.
Furthermore,
diverse
linkers
between
building
blocks
boron-containing
connections
nitrogen-containing
summarised
compared.
The
morphologies
several
commonly
used
strategies
pertaining
activity
also
discussed.
Following
this,
applications
detailed
including
evolution,
CO2
conversion
degradation
contaminants.
Finally,
summary
perspective
on
opportunities
challenges
future
development
given.
Critical Reviews in Environmental Science and Technology,
Год журнала:
2020,
Номер
51(8), С. 751 - 790
Опубликована: Март 10, 2020
Graphitic
carbon
nitride
(g-C3N4),
with
a
moderate
band
gap
(∼2.7
eV),
high
chemical
and
thermal
stability,
has
been
the
hotspot
in
environmental
photocatalysis.
However,
its
performance
is
still
unsatisfactory
because
of
insufficient
absorption
visible
light,
poor
surface
area,
low
electronic
conductivity
recombination
rate
photogenerated
electron-hole
pairs.
The
modification
g-C3N4
could
overcome
these
problems
to
improve
photocatalytic
properties.
Among
various
strategies,
element
doping
an
efficient
simple
strategy
for
adjusting
structure
accelerating
performance.
This
review
focused
on
progress
trends
designing
typical,
cost-effective
element-doped
carbonized
nitrogen
degradation
organic
pollutants.
heterogeneous
catalytic
mechanisms
g-C3N4-based
photocatalysts
pollutants
have
explicated
detail.
increased
by
elements
was
discussed
clearly.
properties,
catalyst
pollution
management
elements-doped
were
compared
subsequently
analyzed
some
dilemmas
application
strategies
development
depth.
can
light
up
new
way
afforded
valuable
clues
design
exploit
more
effective
photocatalyts
real
applications
management.
