1. Laboratory of Advanced Materials & Photovoltaics (LAMPs), Necmettin Erbakan University, 42090 Konya, Turkey
2. Department of Physics, Faculty of Science, Selcuk University, 42130 Konya, Turkey
3. Department of Fundamental Sciences, Necmettin Erbakan University, 42090 Konya, Turkey
4. Department of Metallurgical and Materials Engineering, Necmettin Erbakan University, 42090 Konya, Turkey