Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(16), С. 4914 - 4973
Опубликована: Янв. 1, 2024
This
review
summarizes
advancements
in
g-C
3
N
4
-based
direct
Z
and
S-scheme
heterostructures
for
solar
H
2
O
synthesis,
exploring
advanced
characterization
methods
to
verify
the
charge
transfer
mechanism.
Advanced Materials,
Год журнала:
2023,
Номер
36(8)
Опубликована: Ноя. 22, 2023
Abstract
Semiconductor
photocatalytic
technology
holds
immense
promise
for
converting
sustainable
solar
energy
into
chemically
storable
energy,
with
significant
applications
in
the
realms
of
and
environment.
However,
inherent
issue
rapid
recombination
photogenerated
electrons
holes
hinders
performance
single
photocatalysts.
To
overcome
this
challenge,
construction
2D
S‐scheme
heterojunction
photocatalysts
emerges
as
an
effective
strategy.
The
deliberate
design
dimensionality
ensures
a
substantial
interfacial
area;
while,
charge
transfer
mechanism
facilitates
efficient
separation
maximizes
redox
capabilities.
This
review
commences
fresh
perspective
on
heterojunctions,
followed
by
comprehensive
exploration
preparation
methods
characterization
techniques.
Subsequently,
recent
advancements
are
summarized.
Notably,
behind
activity
enhancement
is
elucidated.
Finally,
prospects
development
presented.
Applied Surface Science Advances,
Год журнала:
2023,
Номер
19, С. 100536 - 100536
Опубликована: Дек. 28, 2023
In
the
evolving
field
of
photocatalysis,
heterojunction
photocatalysts,
especially
Type
II
and
S-scheme,
latter
being
also
known
as
direct-Z
scheme
heterojunctions,
are
gaining
increasing
recognition
for
their
pivotal
role
in
enhancing
photocatalytic
efficiency.
These
characterized
by
similar
band
alignments
but
distinct
charge
transfer
mechanisms,
play
a
crucial
facilitating
enhanced
separation
transfer.
This
comprehensive
review
delves
into
experimental
methodologies
essential
characterizing
these
with
focus
on
understanding
unique
mechanisms.
Key
methods
such
Electron
Spin
Resonance
(ESR),
radical
trapping
experiments,
Photoluminescence
(PL)
probing,
Nitro
Blue
Tetrazolium
(NBT)
transformation,
Surface
Photovoltage
Spectroscopy
(SPS),
photodeposition
metals,
in-situ
X-ray
Photoelectron
(in-situ
XPS)
analysis
discussed
detail.
Each
technique
is
presented
necessary
guidelines
accompanying
information
to
ensure
appropriate
effective
use
pinpointing
specifics
processes.
The
concludes
that
right
selection
techniques
mechanism
staggered
type
heterojunctions
achieving
further
advancements
photocatalysis.