Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Abstract
Antimony
selenide
(Sb
2
Se
3
)
is
regarded
as
a
next‐generation
material
for
high‐efficiency
photovoltaic
applications
due
to
its
favorable
bandgap,
high
absorption
coefficient,
carrier
mobility,
and
stability.
Nonetheless,
cadmiun
sulfide
(CdS)
has
low
short‐wavelength
transmittance,
which
limits
photon
utilization,
the
suboptimal
band
alignment
in
CdS/Sb
heterojunction
causes
significant
interface
recombination.
In
this
study,
simple
lithium‐ion
doping
method
presented
report
dual
enhancement
effects
of
lithium
ions
on
CdS
Sb
layers
first
time.
Lithium
improve
layer
by
allowing
larger
grain
sizes,
reduces
roughness,
increase
transmittance
electron
transport
layer.
At
same
time,
lightweight
Li
diffuse
more
easily
through
into
layer,
resulting
improved
orientation,
lower
defect
density,
longer
lifetime.
Furthermore,
with
changes
junction
from
“cliff‐like”
“spike‐like”
configuration,
improving
reducing
recombination
near
interface.
Ultimately,
benefits
Li‐ion
doping,
champion
device
obtained
have
V
OC
0.462
V,
J
SC
30.86
mA
cm
−2
,
an
FF
65.46%,
efficiency
9.33%,
representing
15.8%
over
undoped
device.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(18)
Published: Jan. 2, 2024
Abstract
Solar
cells
comprising
earth‐abundant
and
non‐toxic
elements
with
applicable
bandgaps
high
absorption
coefficients
have
attracted
considerable
interest
over
the
past
several
decades
are
important
devices
for
addressing
future
demand
clean
renewable
energy.
Antimony
sulfide
(Sb
2
S
3
)
crystal
material
effectively
meets
these
requirements
owing
to
its
suitable
bandgap,
coefficient,
electron
hole
mobilities,
earth
abundance,
excellent
stability.
Solution‐processed
Sb
films
essential
facilitate
fabrication
of
low‐cost,
large‐scale,
high‐efficiency
photovoltaic
devices,
but
suffer
from
shortcomings
large
intrinsic
defects,
interfacial
barrier,
atomic
mismatch,
uncontrollable
film
thickness,
orientation.
In
this
review,
a
systematic
overview
fundamental
properties
solution‐processed
materials
is
presented,
then
interface
engineering,
defect
passivation
control
strategies,
orientation
modulation
methods,
device
structure,
performance
solar
focused,
highlighting
primary
advancements
major
challenges
based
on
technology.
Finally,
creative
perspectives
constructive
innovation
strategies
research
provided,
indicating
roadmap
practical
application
other
inorganic
semiconductor
heterojunction
thin
cells.
Antimony
selenide
(Sb2Se3)
is
a
promising
material
for
solar
energy
conversion
due
to
its
low
toxicity,
high
stability,
and
excellent
light
absorption
capabilities.
However,
Sb2Se3
films
produced
via
physical
vapor
deposition
often
exhibit
Se-deficient
surfaces,
which
result
in
carrier
recombination
poor
device
performance.
The
conventional
selenization
process
was
used
address
selenium
loss
cells
with
substrate
configuration.
this
traditional
method
not
suitable
superstrated
devices
the
window
layer
buried
underneath
absorber
layer,
as
it
can
lead
significant
diffusion
of
into
damage
device.
In
work,
we
have
demonstrated
rapid
thermal
(RTS)
technique
that
effectively
selenize
while
preventing
S
from
CdS
layer.
RTS
significantly
reduces
transport
resistance
achieve
highest
efficiency
8.25%.
Overall,
presents
approach
enhancing
low-dimensional
chalcogenide
thin
emerging
superstrate
cell
applications.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
11(2)
Published: Nov. 8, 2023
Abstract
The
emerging
antimony
chalcogenide
(Sb
2
(S
x
Se
1−x
)
3
,
0
≤
1)
semiconductors
are
featured
as
quasi‐1D
structures
comprising
4
S(e)
6
n
ribbons,
this
structural
characteristic
generates
facet‐dependent
properties
such
directional
charge
transfer
and
trap
states.
In
terms
of
carrier
transport,
proper
control
over
the
crystal
nucleation
growth
conditions
can
promote
preferentially
oriented
favorable
planes,
thus
enabling
efficient
electron
transport
along
ribbons.
Furthermore,
an
in‐depth
understanding
origin
impact
orientation
Sb
films
on
performance
corresponding
photovoltaic
devices
is
expected
to
lead
a
breakthrough
in
power
conversion
efficiency.
fact,
there
many
studies
colloidal
nanomaterials.
However,
synthesis
thin
with
controlled
facets
has
recently
been
focus
optoelectronic
device
applications.
This
work
summarizes
methodologies
that
applied
fabrication
films,
including
treatment
strategies
developed
for
engineering
each
process.
mechanisms
thoroughly
analyzed.
An
outlook
perspectives
future
development
solar
cells
based
recent
research
issues
finally
provided.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
As
an
emerging
photovoltaic
material,
antimony
selenosulfide
(Sb2(S,Se)3)
has
attracted
considerable
attention
and
research
enthusiasm.
However,
the
current
solution-processed
Sb2(S,Se)3
layers
suffer
from
severe
unfavorable
energy
band
structure
problems
attributed
to
vertical
gradient-variable
Se/S
atomic
ratio,
making
it
a
challenging
prospective
subject.
Herein,
novel
convenient
alkali
metal
Cs+-induced
ratio
variation
strategy
been
developed
for
first
time
regulate
through
hydrothermal-processed
CdS
nanorod-arrays
(NAs)/Sb2(S,Se)3
bulk
heterojunction
(BHJ)
films.
The
regulation
narrows
Se-elemental
concentration
gradient
distribution
adjusting
effectively
in
longitudinal
CdS-NAs/Sb2(S,Se)3
BHJ
This
generates
favorable
structure,
contributing
rapid
charge
separation
extraction
of
photogenerated
carriers
BHJ.
Meanwhile,
not
only
passivates
defect-state
enhances
crystal
size
film,
bust
also
extend
carrier
lifetime
devices.
resulting
Cs-Sb2(S,Se)3
devices
exhibit
impressing
power
conversion
efficiency
(η)
8.23%,
highest
one
currently
available
solar
cells.
study
will
undoubtedly
facilitate
development
efficient
devices,
other
similar
inorganic
semiconductor
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Sb
2
Se
3
photocathode
performance
improves
by
tuning
substrate
temperature
during
metal
deposition.
Thinner
nanorods
result
in
reduced
charge
recombination,
enhancing
photocurrent
restricting
transport
the
hk
0
direction.
Nanoscale Advances,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
ZnO
thin
films
have
attracted
significant
interest
in
the
past
decades
owing
to
their
unique
wide
band
gap
properties,
piezoelectric
non-linearity
and
plasmonic
properties.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
Carrier
recombination
loss
within
the
emerging
antimony
selenosulfide
(Sb
2
(S,Se)
3
)
photovoltaic
devices
is
a
critical
factor
limiting
performance.
Herein,
reaction
kinetics
regulation
strategy
reported
to
simultaneously
passivate
deep‐level
intrinsic
defect
and
inhibit
oxide
impurities
in
Sb
absorber
with
help
of
sodium
borohydride
(SB).
The
SB,
on
one
hand
due
alkaline
feature,
can
significantly
promote
decomposition
selenourea
Se
formation,
eliminating
S1
defects
reducing
V
S
defects,
other
hand,
owing
property,
restore
SbO
+
ions
3+
,
thus
inhibiting
O
formation
improving
heterogeneous
nucleation
preferable
[hk1]
orientation.
These
collective
influences
have
remarkably
suppressed
carrier
strengthened
collection
optimal
band
alignment.
Consequently,
high‐efficient
an
efficiency
10.62%
(0.0684
cm
are
gained,
which
comparable
latest‐recorded
value
10.7%
(0.0389
).
This
work
provides
feasible
method
for
suppressing
Sb‐based
chalcogenide
materials
supplies
precious
instruction
preparing
high‐performance
optoelectronic
devices.