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The power conversion efficiency of an organic solar cell is strongly influenced by the morphology of its bulk heterojunction absorber layer. In this thesis new analytical methods are developed and utilized in combination with established methods to characterize various material systems. The common aim of these analyses is to derive a profound understanding of the process-structure relationships and to correlate the findings with the solar cell properties.

Bulk Heterojunction --- Quanteneffizienz --- Organische Solarzelle --- Spektroskopische Ellipsometrie --- Morphologie --- Bulk Heterojunction --- Quanteneffizienz --- Organische Solarzelle --- Spektroskopische Ellipsometrie --- Morphologie

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The power conversion efficiency of an organic solar cell is strongly influenced by the morphology of its bulk heterojunction absorber layer. In this thesis new analytical methods are developed and utilized in combination with established methods to characterize various material systems. The common aim of these analyses is to derive a profound understanding of the process-structure relationships and to correlate the findings with the solar cell properties.

Bulk Heterojunction --- Quanteneffizienz --- Organische Solarzelle --- Spektroskopische Ellipsometrie --- Morphologie

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Nanoparticle dispersions were used to fabricate photoactive layers of organic solar cells from water or ethanol. By using a precipitation method the power conversion efficiencies of the nanoparticulate solar cells were similar to the ones obtained from the respective solution processed counter parts using a chlorinated solvent. Next to the thoroughly investigated material system P3HT:ICBA also the transfer to other material systems was examined.

Organischer Solarzelle --- Druckbare ElektronikOrganic Solar Cell --- Organische Nanopartikel --- Organic Photovoltaics --- Organic Electronics --- Organische Elektronik --- Printed Electronics --- Organic Nanoparticle

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This book is your graduate level entrance into battery, fuel cell and solar cell research at synchrotron x-ray sources. Materials scientists find numerous examples for the combination of electrochemical experiments with simple and with highly complex x-ray scattering and spectroscopy methods. Physicists and chemists can link applied electrochemistry with fundamental concepts of condensed matter physics, physical chemistry and surface science. Contents:IntroductionMolecular Structure and Electronic StructureCrystal Structure and MicrostructureReal Space Imaging and TomographyResonant Methods and Chemical Contrast VariationSurface Sensitive and Volume Sensitive MethodsOrganic and Bio-Organic SamplesComplex Case Studies / Electrochemical In Situ StudiesCorrelation of Electronic Structure And ConductivityRadiation DamagesBackground SubtractionX-Ray Physics Nobel PrizesSynchrotron Centers WorldElectromagnetic SpectrumKα,Β X-Ray EnergiesPeriodic Table of Elements

Electrochemistry --- X-rays. --- Batterie. --- Brennstoffzelle. --- Elektrochemie. --- Kristallographie. --- Röntgenspektroskopie. --- Röntgenstrukturanalyse. --- Solarzelle. --- SCIENCE / Spectroscopy & Spectrum Analysis. --- Chemistry, Physical and theoretical --- Rays, Roentgen --- Roentgen rays --- Roentgenograms --- Electromagnetic waves --- Ionizing radiation --- Radiation --- Cathode rays --- Radiography --- Vacuum-tubes --- Research.