Thin films Alpha-sexithiophene 31P NMR Anatase colloidal solution for printing Thin-film solar cells Addou Molybdenum trioxide Aluminum-doped zinc oxide Alternative module structure Titanium dioxide Alkali CIGS ABSORPTION A Interfaces H ADDITIVE E171 ATR-FTIR A Fullerenes Molybdenum oxide Synthesis GaSe2 M Solar cells 4-ethylenedioxypyrrole XPS Organic solar cell ITO free electrode Analogue 2D nanomaterials Cattin X-ray diffraction Solar cell CuIn Active layers Organic solar cells Actinide conditioning Organic photovoltaic cells Buffer layer Planar heterojunction Surface morphology E171 Alkali fluoride postdeposition treatments Thin film Epitaxy J-C Fill factor 34-propylenedioxypiyrrole Ambipolar material Characterization Photoluminescence L Aniline and thiophene derivatives Partial shading TIO2 Aluminum phthalocyanine chloride Photoemission spectroscopy Amorphous silica Planar heterojunctions Anode buffer layer Aqueous colloidal solution Ftouhi Electrical properties Ambipolarity Sodium Copper indium gallium selenide Absorption spectroscopy Arzel A Thin films Electropolymerization N-doping A Interfaces Alternative buffers 4-propylenedioxythiophene Raman Aminofluorene thiophene derivatives Nanoparticles CIGSe Artificial Photosynthesis Bernède Chalcopyrite Electronic structure Buffer layers Absorption Reverse bias Lamkaouane Adsorption Atomic force microscopy ALPHA-AMYLASE ADSORPTION Ambipolar organic layer Photovoltaics Anode Architecture Anatase Silicon Tandem solar cells 4-ethylenedioxythiophene PVD