Polymer materials, in particular materials including one or more polymers where the degree of electrical conductivity may be controlled. Materials, for example one or more polymers (or monomers and/or oligomers), optionally one or more easily-processable, thermo-transformable polymers, including one or more electron rich domains, which can be exposed to at least one of: sufficient temperature (for example for temperature-dependent processing), a mechanical force/pressure, magnetic field and/or an electric field, and consequently increase the conductivity of the materials. Methods of forming the materials and applications and uses thereof.

Polymer materials, in particular materials including one or more polymers where the degree of electrical conductivity may be controlled. Materials, for example one or more polymers (or monomers and/or oligomers), optionally one or more easily-processable, thermo-transformable polymers, including one or more electron rich domains, which can be exposed to at least one of: sufficient temperature (for example for temperature-dependent processing), a mechanical force/pressure, magnetic field and/or an electric field, and consequently increase the conductivity of the materials. Methods of forming the materials and applications and uses thereof.

A solar array, comprising: at least one solar panel comprising a primary surface and a secondary surface; the primary surface having a group of direct solar cells disposed thereon, each of the direct solar cells configured to receive direct sunlight and to provide electrical power to a respective portion of a substantially flat flexible circuit; and the secondary surface having a group of indirect solar cells disposed thereon, each of the indirect solar cells configured to receive reflected sunlight and to provide electrical power to a respective portion of a substantially flat flexible circuit.

A photovoltaic cell configured to enable the use of first photovoltaic stacks with perovskite absorber in a solar panel as an electrical generator on the sunlight side of the solar panel, while second photovoltaic stacks with perovskite absorber that are on the shadow side of the solar panel undergo a self-repair process during the day. A photovoltaic device includes a solar panel provided with such photovoltaic cells and further includes an electrical connection device adapted to connect electrodes of stacks with perovskite absorber that are on the sunlight side in order to create a multi-junction photovoltaic generator, the connection device being adapted to connect the electrodes of stacks on the shadow side of the solar panel to a regeneration module.

A photovoltaic cell configured to enable the use of first photovoltaic stacks with perovskite absorber in a solar panel as an electrical generator on the sunlight side of the solar panel, while second photovoltaic stacks with perovskite absorber that are on the shadow side of the solar panel undergo a self-repair process during the day. A photovoltaic device includes a solar panel provided with such photovoltaic cells and further includes an electrical connection device adapted to connect electrodes of stacks with perovskite absorber that are on the sunlight side in order to create a multi-junction photovoltaic generator, the connection device being adapted to connect the electrodes of stacks on the shadow side of the solar panel to a regeneration module.