| Issue |
MATEC Web of Conferences
Volume 8, 2013
Progress in Ultrafast Laser Modifications of Materials
|
|
|---|---|---|
| Article Number | 02012 | |
| Number of page(s) | 2 | |
| Section | Femtosecond laser-induced modifications in various materials | |
| DOI | https://doi.org/10.1051/matecconf/20130802012 | |
| Published online | 18 November 2013 | |
Influence of femtosecond surface modification of TiO2 layer to features of organic solar cell
1 Department of Solid State Electronics, Vilnius University, Sauletekio al. 9, build. 3, LT-10222 Vilnius, Lithuania
2 Department of Organic Chemistry, Kaunas University of Technology, Radvilenu pl. 19, LT-50254, Kaunas, Lithuania
3 Altechna Co. Ltd., Konstitucijos ave. 23C, LT-08105, Vilnius, Lithuania
* e-mail: vytautas.sabonis@gmail.com
In this research 300 fs pulses of Yb:KGW laser has been applied to form electron transport layer TiO2 of Grӓtzel type organic solar cells (OSC) with different surface roughness. Profiler, AFM, SEM has been used to define surfaces. Scattering of 532 nm wavelength light from ablated regions has been measured. OSC have been formed onto TiO2 and I-V characteristics have been measured. Investigation results demonstrated that laser treatment of TiO2 has impact to the I-V dependencies of OSC.
© Owned by the authors, published by EDP Sciences, 2013
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