Highly efficient crystalline silicon/Zonyl fluorosurfactant-treated organic heterojunction solar cells

We demonstrate a highly efficient hybrid crystalline silicon (c-Si) based photovoltaic devices with hole-transporting transparent conductive poly-(3,4-ethlenedioxythiophene):poly(styrenesufonic acid) (PEDOT:PSS) films, incorporating a Zonyl fluorosurfactant as an additive, compared to non additive d...

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Bibliographic Details
Published in:Applied physics letters 2012-04, Vol.100 (18), p.183901-183901-4
Main Authors: Liu, Qiming, Ono, Masahiro, Tang, Zeguo, Ishikawa, Ryo, Ueno, Keiji, Shirai, Hajime
Format: Article
Language:English
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Summary:We demonstrate a highly efficient hybrid crystalline silicon (c-Si) based photovoltaic devices with hole-transporting transparent conductive poly-(3,4-ethlenedioxythiophene):poly(styrenesufonic acid) (PEDOT:PSS) films, incorporating a Zonyl fluorosurfactant as an additive, compared to non additive devices. The usage of a 0.1% Zonly treated PEDOT:PSS improved the adhesion of precursor solution on hydrophobic c-Si wafer without any oxidation process. The average power conversion efficiency η value was 10.8%-11.3%, which was superior to those of non-treated devices. Consequently, c-Si/Zonyl-treated PEDOT:PSS heterojunction devices exhibited the highest η of 11.34%. The Zonyl-treated soluble PEDOT:PSS composite is promising as a hole-transporting transparent conducting layer for c-Si/organic photovoltaic applications.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4709615