ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 2881 - 2895
Published: March 28, 2024
Paving
the
way
out
of
sustainable
energy
applications,
one
most
captivating
aspirations
is
development
state-of-the-art
catalytic
systems
for
harnessing
hydrogen
energy.
Here,
a
unique
MoSe2–MoS2/ZnO
heterojunction
with
S-scheme-type
band
alignment
has
been
modeled
to
elucidate
its
ascendancy
toward
PC,
EC,
and
PEC
generation.
Optimized
5
wt
%
(5MMZ)
exhibited
5-fold
superior
PC
H2
production
efficiency
than
bare
ZnO,
58.6%
AQY
ascribed
augmented
solar
harvesting
improved
photophysical
properties
as
confirmed
by
optoelectronic
theoretical
analysis.
Femtosecond
transient
absorption
studies
were
carried
provide
deeper
insights
into
photoinduced
charge
carrier
behavioral
dynamics.
It
revealed
that
delayed
recombination
electron
carriers
at
shallow
deep
trap
sites
holes
was
accountable
higher
activity
5MMZ
heterostructure.
XPS
DFT
ascertained
great
deal
correlation
between
experimental
achievements
predictions
discussed
in
reaction
mechanism.
To
determine
diversified
scope
heterojunctions
green
generation,
photo/electrochemical
water
splitting
operations
also
performed,
which
further
reinforced
versatility
this
kind
metal
oxide
(ZnO)-bilayered
material
(MoSe2–MoS2)-type
ternary
heterostructures.
Inorganic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
9(11), P. 2479 - 2497
Published: Jan. 1, 2022
A
novel
2D/0D
C
3
N
5
/Bi
2
WO
6
S-scheme
heterojunction
with
enhanced
structural
defects
has
been
designed
for
the
efficient
elimination
of
pharmaceutical
antibiotics
and
Cr(
vi
).
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: July 3, 2023
Understanding
charge
transfer
dynamics
and
carrier
separation
pathway
is
challenging
due
to
the
lack
of
appropriate
characterization
strategies.
In
this
work,
a
crystalline
triazine/heptazine
carbon
nitride
homojunction
selected
as
model
system
demonstrate
interfacial
electron-transfer
mechanism.
Surface
bimetallic
cocatalysts
are
used
sensitive
probes
during
in
situ
photoemission
for
tracing
S-scheme
photogenerated
electrons
from
triazine
phase
heptazine
phase.
Variation
sample
surface
potential
under
light
on/off
confirms
dynamic
transfer.
Further
theoretical
calculations
an
interesting
reversal
path
light/dark
conditions,
which
also
supports
experimental
evidence
transport.
Benefiting
unique
merit
electron
transfer,
shows
significantly
enhanced
activity
CO2
photoreduction.
Our
work
thus
provides
strategy
probe
mechanisms
design
delicate
material
structures
towards
efficient
Journal of Materials Chemistry A,
Journal Year:
2021,
Volume and Issue:
9(42), P. 23765 - 23782
Published: Jan. 1, 2021
The
current
semiconductor
photocatalysts
only
exhibit
unsatisfactory
photocatalytic
efficiency,
due
to
the
easy
recombination
of
photogenerated
carriers.
Regulating
separation
and
transfer
carriers
reducing
are
essential
for
improving
catalytic
efficiency
photocatalysts.
is
produced
by
attraction
Coulomb
force.
Consequently,
requires
an
additional
driving
force
counteract
However,
exploring
mechanism
carrier
regulation
from
perspective
has
received
sporadic
attention.
This
review
firstly
starts
fundamental
impairment
performance.
Then
it
focuses
on
several
main
strategies
regulating
behavior
aspect
carriers,
including
heterojunction
design，construction
intramolecular
donor-acceptor
(D-A)
system,
exciton
regulation,
electron
spin
regulation.
Subsequently,
advanced
characterization
techniques
latest
developments
theoretical
calculations
migration
have
been
introduced.
In
end,
we
summarize
challenges
put
forward
prospects
future
development
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(11)
Published: Dec. 2, 2023
Photocatalytic
hydrogen
evolution
(PHE)
via
water
splitting
using
semiconductor
photocatalysts
is
an
effective
path
to
solve
the
current
energy
crisis
and
environmental
pollution.
Heterojunction
photocatalysts,
containing
two
or
more
semiconductors,
exhibit
better
PHE
rates
than
those
with
only
one
owing
altered
band
alignment
at
interface
stronger
driving
force
for
charge
separation.
Traditional
binary
metal
sulfide
(BMS)-based
heterojunction
such
as
CdS,
MoS
