Avoiding Photoinduced Shunts in Organic Solar Cells by the Use of Tin Oxide (SnOx) as Electron Extraction Material Instead of ZnO. Issue 15 (2nd June 2016)

• Record Type: Journal Article
• Authors: Trost, Sara; Becker, Tim; Polywka, Andreas; Görrn, Patrick; Oszajca, Marek F.; Luechinger, Norman A.; Rogalla, Detlef; Weidner, Mirko; Reckers, Philip; Mayer, Thomas; Riedl, Thomas
• Is Part Of: Advanced energy materials. Volume 6:Issue 15(2016)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2016-06-02
• Subjects: charge extraction layers -- organic solar cells -- photoinduced shunts -- sol‐gel processes -- tin oxide -- zinc oxide; Energy harvesting -- Materials -- Periodicals; Energy conversion -- Materials -- Periodicals; Energy storage -- Materials -- Periodicals; Photovoltaics -- Periodicals; Fuel cells -- Periodicals; Thermoelectric materials -- Periodicals; 621.31
• DOI: 10.1002/aenm.201600347
• Languages: English
• ISSNs: 1614-6832

Abstract

Abstract : Organic solar cells using zinc oxide (ZnO) based electron extraction layers (EELs) show a lowered shunt resistance along with a decay of the filling factor and open circuit voltage upon UV illumination, due to a loss of electron selectivity of the EEL. This issue is overcome by tin oxide (SnOx ) as EEL, with a surface electronic structure different from ZnO.