Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1592
Title: Comparison of self-assembled monolayers with long alkyl chains on ITO for enhanced surface properties and photovoltaic performance
Authors: Yılmaz, Tuğbahan
Kırbıyık Kurukavak, Çisem
Keywords: Organic solar cell
Self-assembled monolayer
Interfacial modification
Indium Tin Oxide
Publisher: SPRINGER
Abstract: Self-assembled monolayers (SAMs) are used as interfacial layer up to a few nanometer thick in electronic devices to tune the morphological and charge transport properties. Herein, we studied indium titanium oxide (ITO) treatment by two different SAMs molecules involving long alkyl chains with boronic acid (BA) and phosphonic acid anchoring groups to improve the performance of organic solar cells (OSCS). It was determined that the wettability of ITO increased due to the improved surface energy after SAM treatment, which led to enhanced morphology of upper layer. The champion device treated with C-14-BA SAM showed a power conversion efficiency (PCE) of 3.3%, which is higher than that of non-treated device (2.9%). The C-14-BA SAM treated ITO showed a better morphology and its device shows the highest performance, thanks to improved short circuit current (J(sc)) from 7.8 mA cm(-2) (for non-treated device) to 8.8 mA cm(-2). It was concluded that the work function change and upper layer morphology can be easily controlled by treatment of the ITO surface by SAMs with different anchoring groups. This study provides an easy and alternative approach to enhance the surface properties of metal oxides for improving the performances of OSCs.
URI: https://doi.org/10.1007/s11082-021-02812-3
https://hdl.handle.net/20.500.13091/1592
ISSN: 0306-8919
1572-817X
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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