An easy method to modify PEDOT:PSS/perovskite interfaces for solar cells with efficiency exceeding 15%

S. Shahbazi, F. Tajabadi*, H. S. Shiu, R. Sedighi, E. Jokar, S. Gholipour, N. Taghavinia, S. Afshar, E. W.G. Diau

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Herein, we show that surface treatment of PEDOT:PSS films using propionic acid (PA) results in better device performance for the resulting CH3NH3PbI3 perovskite solar cells (PCE > 15%). N2 blow spreading of PA appears critical in enhanced performance. This weak acid treatment leads to no worse roughness, while providing larger perovskite grains.

Original languageEnglish
Pages (from-to)65594-65599
Number of pages6
JournalRSC Advances
Volume6
Issue number70
DOIs
StatePublished - 1 Jan 2016

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