In
order
to
achieve
the
sustainable
production
of
hydrogen
fuel,
heterogeneous
photocatalysts
with
inimitable
structure
are
always
desired
for
high-efficiency
and
stable
H2
reaction
from
water
splitting
owing
perfect
structure-activity
relationship.
this
study,
a
novel
metal-free
one-dimensional/two-dimensional
(1D/2D)
heterojunction
is
constructed
by
series
dissolution
diffusion,
recrystallization
in-situ
growth,
self-assembly
process
1-pyrene
carboxaldehyde
(PCHO)
nanoribbons
on
surface
polymeric
carbon
nitride
(PCN)
nanosheets.
The
obtained
1D/2D
can
realize
fast
carrier
transport
along
1D
prevent
recombination
photogenerated
carriers
at
interface.
Furthermore,
intrinsic
Z-scheme
mechanism
within
heterostructure
also
effectively
inhibits
electron-hole
isolates
reduction
oxidation
sites
photocatalytic
reaction.
As
result,
dramatically
enhanced
evolution
(PHE)
activity
achieved
over
1%-PCHO/PCN
sample,
optimal
PHE
rate
which
approximately
5.4
times
that
pure
PCN.
This
work
provides
deep
insight
into
design
exploitation
unique
applied
in
energy
conversion
field.
Abstract
Solar‐driven
water
splitting
for
hydrogen
production
has
emerged
as
one
of
the
most
promising
methods
addressing
environmental
and
energy
crises.
The
utilization
immobilized
photocatalyst
attracted
significant
attention
in
recent
years
due
to
its
excellent
stability,
high
photocatalytic
efficiency,
ease
recovery
reuse.
Hence,
a
comprehensive
review
development
appears
exceedingly
significant.
Herein,
we
initially
analyze
advantages
system
aspects
such
light
absorption,
photon
utilization,
charge
separation.
Subsequently,
introduce
various
assembly
techniques
elaborate
on
some
representative
characteristics
this
system.
Furthermore,
cite
examples
application
large‐scale
envision
future
prospects.
Finally,
discuss
remaining
issues
field
outline
directions
challenges
therein.
This
holds
great
promise
prompting
advancement
photocatalysis.
In
order
to
achieve
the
sustainable
production
of
hydrogen
fuel,
heterogeneous
photocatalysts
with
inimitable
structure
are
always
desired
for
high-efficiency
and
stable
H2
reaction
from
water
splitting
owing
perfect
structure-activity
relationship.
this
study,
a
novel
metal-free
one-dimensional/two-dimensional
(1D/2D)
heterojunction
is
constructed
by
series
dissolution
diffusion,
recrystallization
in-situ
growth,
self-assembly
process
1-pyrene
carboxaldehyde
(PCHO)
nanoribbons
on
surface
polymeric
carbon
nitride
(PCN)
nanosheets.
The
obtained
1D/2D
can
realize
fast
carrier
transport
along
1D
prevent
recombination
photogenerated
carriers
at
interface.
Furthermore,
intrinsic
Z-scheme
mechanism
within
heterostructure
also
effectively
inhibits
electron-hole
isolates
reduction
oxidation
sites
photocatalytic
reaction.
As
result,
dramatically
enhanced
evolution
(PHE)
activity
achieved
over
1%-PCHO/PCN
sample,
optimal
PHE
rate
which
approximately
5.4
times
that
pure
PCN.
This
work
provides
deep
insight
into
design
exploitation
unique
applied
in
energy
conversion
field.
