A photovoltaic device with a plurality of photovoltaic modules (1A, 1B,..., 1F), comprising: - a stack with a primary electrode layer, a secondary electrode layer and a photovoltaic layer arranged between said primary and said secondary electrode layer, at least one of the electrode layers being translucent, the photovoltaic layer at least comprising a first sublayer of a photovoltaic material and a second, charge carrier transport sublayer between said first sublayer and said secondary electrode layer, each photovoltaic module (1B,1C) having a portion of a respective section (12B,12C) of the primary electrode layer, a portion of a respective section (14B,14C) of the photovoltaic layer and a portion of a respective section (16B,16C) of the secondary electrode layer, and respective pairs of a first photovoltaic module and a subsequent second photovoltaic module of said plurality being serially interconnected in an interface section between said first photovoltaic module and said second photovoltaic module, in that said interface section comprises a coupling element of insulating material laterally enclosing an electrically conducting core, wherein the coupling element is sandwiched between a second end of the secondary electrode layer section of the first photovoltaic module that laterally extends over, and forms an electrical connection with a first face of said electrically conducting core and a first end of the primary electrode layer section of the subsequent second photovoltaic module of the pair that laterally extends over, and forms an electrical connection with a second face of said electrically conducting core. - a stack with a primary electrode layer, a secondary electrode layer and a photovoltaic layer arranged between said primary and said secondary electrode layer, at least one of the electrode layers being translucent, the photovoltaic layer at least comprising a first sublayer of a photovoltaic material and a second, charge carrier transport sublayer between said first sublayer and said secondary electrode layer, each photovoltaic module (1B,1C) having a portion of a respective section (12B,12C) of the primary electrode layer, a portion of a respective section (14B,14C) of the photovoltaic layer and a portion of a respective section (16B,16C) of the secondary electrode layer, and respective pairs of a first photovoltaic module and a subsequent second photovoltaic module of said plurality being serially interconnected in an interface section between said first photovoltaic module and said second photovoltaic module, in that said interface section comprises a coupling element of insulating material laterally enclosing an electrically conducting core, wherein the coupling element is sandwiched between a second end of the secondary electrode layer section of the first photovoltaic module that laterally extends over, and forms an electrical connection with a first face of said electrically conducting core and a first end of the primary electrode layer section of the subsequent second photovoltaic module of the pair that laterally extends over, and forms an electrical connection with a second face of said electrically conducting core.