Fabrication of organic solar cells based on a blend of poly (3-octylthiophene-2, 5-diyl) and fullerene derivative using inkjet printing technique

Ashkan Shafiee; Muhamad Mat Salleh; Muhammad Yahaya

doi:10.1117/12.843467

20 October 2009 Fabrication of organic solar cells based on a blend of poly (3-octylthiophene-2, 5-diyl) and fullerene derivative using inkjet printing technique

Ashkan Shafiee, Muhamad Mat Salleh, Muhammad Yahaya

Author Affiliations +

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 74932D (2009) https://doi.org/10.1117/12.843467
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

This paper reports the fabrication of organic solar cells using inkjet printing technique. The devices consist of an active layer sandwiched between ITO bottom electrode and aluminum as top electrode. The active layer is made of a blend of a fullerene derivative [6,6]-phenyl C61-butyric acid 3-ethylthiophene ester as acceptor and poly (3-octylthiophene-2, 5- diyl) (P3OT) as the donor. The ink of active layer was prepared with variation of donor and acceptor ratio 1:1 and 2:1by weight. The active layers were inkjet printed on ITO substrates layer by layer with variations of one, two and four layers. The performances of the devices were studied by observing the current-voltage characteristics of the device in dark and under illumination of 75 W/m² light. Most of the devices showed rectifier property in the dark and able to generate electrical current under illumination. The photovoltaic performance of the devices was found depending on the thickness and the donor- acceptor ratio of the active layers.

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Ashkan Shafiee, Muhamad Mat Salleh, and Muhammad Yahaya "Fabrication of organic solar cells based on a blend of poly (3-octylthiophene-2, 5-diyl) and fullerene derivative using inkjet printing technique", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 74932D (20 October 2009); https://doi.org/10.1117/12.843467

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