Two-Stage Chemical Bath Deposition for Well-Covered and Stoichiometric ZnS Thin Films

Po-Chuan Tsai, Pai lan, Han-Ping Shieh

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


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.
Original languageEnglish
Title of host publication38th IEEE Photovoltaic Specialists Conference (PVSC)
Number of pages3
StatePublished - 2012


  • chemical bath deposition; zinc sulfide; XPS spectrum; two-satge

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