Abstract:
Copper zinc tin sulfide (CZTS) is a promising chalcogenide semiconductor which has
received increasing interest in the last two decades for applications in solar cells. It offers
favorable optical and electronic properties similar to CIGS (copper indium gallium selenide)
making it well suited for use as a thin-film solar cell absorber layer. CZTS solar cells have a more
than promising alternative, with a band gap of about 1.5eV and an absorption coefficient of the
order of 104 cm-1 [1]. Moreover, all elements of this quaternary material are non-toxic [2], and not
very expensive.