Efficient zinc sulfide cathode layers for organic photovoltaic applications via n-type doping

Christopher J. Traverse, Margaret Young, Sean Wagner, Pengpeng Zhang, Per Askeland, Miles C. Barr, Richard R. Lunt

Research output: Contribution to journalArticle

  • 6 Citations

Abstract

We demonstrate efficient zinc sulfide cathode window layers in thin-film organic photovoltaics enabled by n-type doping zinc sulfide (ZnS) with aluminum sulfide (Al2S3) directly through co-deposition. By optimizing the Al2S3 concentration, the power conversion efficiency is improved from 0.6% ± 0.2% in undoped ZnS window layer devices to 1.8% ± 0.1%, identical to control devices. The mechanism for this performance enhancement is shown to stem from the enhanced conductivity and interface energetics of ZnS upon n-type doping. This work expands the catalog of efficient, inorganic, non-toxic, cathode side window layers that could be effective in a range of thin-film photovoltaic technologies.

LanguageEnglish (US)
Article number194505
JournalJournal of Applied Physics
Volume115
Issue number19
DOIs
StatePublished - May 21 2014

Profile

zinc sulfides
cathodes
control equipment
thin films
stems
catalogs
sulfides
aluminum
conductivity
augmentation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Efficient zinc sulfide cathode layers for organic photovoltaic applications via n-type doping. / Traverse, Christopher J.; Young, Margaret; Wagner, Sean; Zhang, Pengpeng; Askeland, Per; Barr, Miles C.; Lunt, Richard R.

In: Journal of Applied Physics, Vol. 115, No. 19, 194505, 21.05.2014.

Research output: Contribution to journalArticle

Traverse CJ, Young M, Wagner S, Zhang P, Askeland P, Barr MC et al. Efficient zinc sulfide cathode layers for organic photovoltaic applications via n-type doping. Journal of Applied Physics. 2014 May 21;115(19). 194505. Available from, DOI: 10.1063/1.4878155
Traverse, Christopher J. ; Young, Margaret ; Wagner, Sean ; Zhang, Pengpeng ; Askeland, Per ; Barr, Miles C. ; Lunt, Richard R./ Efficient zinc sulfide cathode layers for organic photovoltaic applications via n-type doping. In: Journal of Applied Physics. 2014 ; Vol. 115, No. 19.
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