The Investigation of Thermal and Optical Properties of Semiconducting Nanostructural Hybrid Films

P. Jarkaa, B. Hajdukb, T. Tańskia, H. Bednarskib aDepartment of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, Poland bCentre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska, 41-819 Zabrze, Poland

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In this work, we study the physical properties of hybrid organic/inorganic mixture semiconducting layers. Materials selected for the research were poly[2,6-(4,4-bis-(2-ethylhexyl)-4H-cyclopenta[2,1-b;3,4-b']dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] and nanostructured cadmium sulfide (CdS) powder. These materials have been chosen due to their narrow optical band gap combined with high charge-carrier mobility, which makes them interesting for application as components of active layers in bulk p-n heterojunctions. In particular, we present the results of studies on the influence of CdS content on the physical properties of thin hybrid films. The ellipsometric measurements showed that the composition of the base layers influenced their optical properties without significantly influencing their thermal stability.

DOI:10.12693/APhysPolA.142.107 topics: nanocomposite, organic layer, thermal properties, semiconductors