A two-stage chemical bath deposition (CBD) was reported to modify the thin film deposition of zinc sulfide (ZnS) material, which is a promising candidate as a buffer layer in chalcopyrite solar cells. During the proposed process, two bath temperatures were used subsequently: substrates were immersed in the bath with temperature 85 degrees C for first-stage deposition, followed by the bath with temperature 70 degrees C for the second-stage deposition. As a result, the ZnS film deposited by the proposed two-stage CBD process demonstrated the more desirable film coverage and stoichiometric Zn/S ratio on the soda lime glass substrate than the one without.
|Title of host publication||38th IEEE Photovoltaic Specialists Conference (PVSC)|
|Number of pages||3|
|State||Published - 2012|
- chemical bath deposition; zinc sulfide; XPS spectrum; two-satge
- SOLAR-CELLS; BUFFER LAYERS