Electronic structure and stability of materials for organic photovoltaic applications

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URI: http://hdl.handle.net/10900/78604
Dokumentart: Dissertation
Date: 2017-11-15
Language: English
Faculty: 7 Mathematisch-Naturwissenschaftliche Fakultät
Department: Chemie
Advisor: Chassé, Thomas (Prof. Dr.)
Day of Oral Examination: 2015-12-15
DDC Classifikation: 500 - Natural sciences and mathematics
Keywords: Solarzelle , Fotovoltaik
Other Keywords:
organic solar cells
active layer
License: Publishing license including print on demand
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This word was devoted to the stability in various conditions of materials used in the active layer of organic solar cells. The main goals of this work were first to provide deeper understanding about complex mechanisms occurring in the active layer and second to investigate interfacial degradation pathways involving the active layer. A first part was dedicated to the photo and thermal stability of the polymer blend materials which constitute the active layer of the solar cells. A second section focused on the role of the third component of the active layer which can be undesired residual additives coming from the processing or the desired insertion of a stabilizer additive. A third part concerned the delamination issue which takes place at the active layer / hole transporting layer interface. Finally, a last section was devoted to the energy level alignment between the C60 molecules and various electron transporting substrates. The photo and thermal stability of the active layer / electron transporting layer interface was also studied in this section.

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