Thermal Annealing Effect on the Morphology of Inkjet Printed Polymer:Fullerene Composites Solar Cells

• Authors: V. Fauzia , A. Umar , M. Salleh , M. Yahaya
• Languages of publication: EN

Abstracts

EN

One of critical factor in determining the performance of solar cells is the morphology of the active layer. The drying process of the active layer prepared by inkjet printing technique plays a key role in obtaining high quality surface morphology. This paper reports the effect of thermal annealing on the morphology of printed active layer. The printed active layer is a blend of poly(3-octylthiophene-2,5-diyl) and (6,6)-phenyl C_{71} butyric acid methyl ester dissolved in a mixture of dichlorobenzene:mesitylene. The printed films were then annealed at three different temperatures, namely 120, 140, and 160C for 60 min to obtain the best performance of solar cells. It was found that the performance of solar cells strongly depends on the annealing temperature. The devices with the active layer annealed at 140C exhibits the highest performance with short circuit current density and open circuit voltage as high as 2.88 μA/cm^2 and 0.85 V, respectively. The effect of annealing on the properties of printed active layer will be discussed.

Keywords

EN

88.40.jr; 81.05.Fb

Discipline

• 88.40.jr: Organic photovoltaics
• 81.05.Fb: Organic semiconductors

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 121
• Issue: 1
• Pages: 155-157

Dates

published

2012-01

Contributors

author

V. Fauzia

• Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

author

A. Umar

• Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

author

M. Salleh

• Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

author

M. Yahaya

• Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
• School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

References

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Identifiers

DOI

10.12693/APhysPolA.121.155