Ambipolar organic layer Photoemission spectroscopy Anatase Aluminum-doped zinc oxide Buffer layer A Aqueous colloidal solution Alkali Fill factor Aminofluorene thiophene derivatives CIGSe Alpha-sexithiophene Atomic force microscopy Titanium dioxide Tandem solar cells Arzel Anatase colloidal solution for printing Epitaxy GaSe2 Solar cells Adsorption Characterization 4-ethylenedioxypyrrole CIGS Bernède Solar cell J-C B Vapour deposition Planar heterojunction Thin-film solar cells TIO2 CuIn L Lamkaouane Electropolymerization Actinide conditioning ABSORPTION 31P NMR Absorption spectroscopy ATR-FTIR ALPHA-AMYLASE Organic photovoltaic cells X-ray diffraction Synthesis Molybdenum oxide Copper indium gallium selenide Active layers Amorphous silica Ftouhi Partial shading Alkali fluoride postdeposition treatments Interfaces E171 Absorption XPS Buffer layers A Thin films Photovoltaics Cattin ADSORPTION Aniline and thiophene derivatives ADDITIVE E171 Electrical properties 4-ethylenedioxythiophene A Fullerenes Sodium Surface morphology Back contact H Photoluminescence ITO free electrode Thin film Thin films Raman Analogue N-doping 4-propylenedioxythiophene Reverse bias Nanoparticles Band alignment Addou Silicon Anode buffer layer A Interfaces M 34-propylenedioxypiyrrole Ambipolar material Organic solar cells Anode Band diagram Alternative buffers Aluminum phthalocyanine chloride Planar heterojunctions Molybdenum trioxide PVD BaTiO3 BTO Alternative module structure Organic solar cell 2D nanomaterials