INSTITUTO DE FISICA LA PLATA
Unidad Ejecutora - UE
congresos y reuniones científicas
Influence of the conductive substrate on the properties of nanostructured electrodeposited Zinc Oxide layers
M.D.REYES TOLOSA; J.OROZCO-MESSANA; A.N.C.LIMA; R.CAMARATTA; H.J. BOLINK; M. SESSOLO; H. BRINE; L.C. DAMONTE; M.HERNÁNDEZ FENOLLOSA
Congreso; Argentina-Alemania; cien años de cooperacion cientifica en Fisica; 2011
Three types of transparent conductive oxides on glass substrates were used for analyze their influence on ZnO nanostructured films electrochemically: i) ZnO prepared by spray pyrolysis; ii) ZnO prepared by radio frequency magnetron sputtering; iii) commercial ITO (In2O3:Sn) covered glass substrates. Although thin, these primary oxide layers play an important role on the properties of the nanostructured films grown on top of them. Additionally, these primary oxide layers prevent direct hole combination in hybrid organic-inorganic solid state solar cells. We show that the properties of the ZnO nanostructured films depend strongly on the type of primary oxide covered substrate used. Additionally, we will present the effect of the primary layers on the performance of hybrid solar cells based on the three types of ZnO nanostructured films and the organic p-type semiconductor regio-regular poly(3-hexylthiophene) (P3HT). The photovoltaic cells obtained by these methods have been characterized by scanning electron microscopy and I-V measurements under a solar simulator.