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