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