International Journal of Modern Physics B,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 26, 2024
With
the
help
of
SCAPS
simulation
program,
this
study
investigates
possible
buffer
layer
in
copper
zinc
tin
sulfide
(CZTS)/zinc
oxide
(ZnO)
thin-film
solar
cells.
The
(SnS[Formula:
see
text]
and
cadmium
(CdS)
are
taken
into
consideration.
Based
on
electronic
band
structure
analysis,
SnS
2
exhibits
a
more
favorable
alignment
conduction
than
CZTS,
which
minimizes
barrier
to
energy
transfer.
showed
enhanced
carrier
generation
because
its
higher
absorption
coefficient.
Quantum
efficiency
plots
highlighted
’s
superior
performance
400–800[Formula:
text]nm
range,
where
CZTS
strongly
absorbs.
[Formula:
cell
exhibited
larger
J–V
curve
area,
driven
by
short-circuit
current
density
([Formula:
text].)
24.27[Formula:
text]mA/cm
compared
23.69[Formula:
for
CdS,
achieving
an
impressive
15.71%
versus
15.35%
CdS.
Because
improved
alignment,
charge
quantum
efficiency,
is
proving
be
promising
high-efficiency
