Abstract: The invention relates to a signaling system, comprising a crossable zone intended to be positioned on a highway and comprising a signaling marking forming a plurality of signaling strips, said system being characterized in that: The crossable zone comprises a plurality of photovoltaic zones (ZP) comprising photovoltaic cells (Cp) intended to capture light energy in order to convert it into electrical energy; The crossable zone comprises a plurality of signaling zones (ZS), of non-zero areas, so as to form said plurality of signaling strips, each signaling zone (ZS) incorporating electrical lighting means; A control system for controlling said electrical lighting means; At least one storage unit (14) for storing the electrical energy generated by each photovoltaic zone (ZP) and connected to said electrical lighting means in order to supply them with electrical energy.

Abstract: The invention relates to a one-piece light signalling slab (2) comprising a structure with a plurality of layers that are superposed and attached together, said structure comprising: A first transparent or translucent layer (200) forming a front face of said slab; A light assembly (201) comprising a plurality of light emitting diodes (Ds) electrically connected together; An assembly (202a, 202b) encapsulating said plurality of light emitting diodes; A second layer (203) forming a rear face of said plate and being made up of a composite polymer/fibreglass material; Said encapsulating assembly being positioned between said first layer (200) and said second layer (203).

Abstract: The invention relates to a signaling system, comprising a crossable zone intended to be positioned on a highway and comprising a signaling marking forming a plurality of signaling strips, said system being characterized in that: The crossable zone comprises a plurality of photovoltaic zones (ZP) comprising photovoltaic cells (Cp) intended to capture light energy in order to convert it into electrical energy; The crossable zone comprises a plurality of signaling zones (ZS), of non-zero areas, so as to form said plurality of signaling strips, each signaling zone (ZS) incorporating electrical lighting means; A control system for controlling said electrical lighting means; At least one storage unit (14) for storing the electrical energy generated by each photovoltaic zone (ZP) and connected to said electrical lighting means in order to supply them with electrical energy.

Abstract: The invention relates to a one-piece light signalling slab (2) comprising a structure with a plurality of layers that are superposed and attached together, said structure comprising: A first transparent or translucent layer (200) forming a front face of said slab; A light assembly (201) comprising a plurality of light emitting diodes (Ds) electrically connected together; An assembly (202a, 202b) encapsulating said plurality of light emitting diodes; A second layer (203) forming a rear face of said plate and being made up of a composite polymer/fibreglass material; Said encapsulating assembly being positioned between said first layer (200) and said second layer (203).

Abstract: A photovoltaic module including a transparent first layer forming a front face, plural photovoltaic cells, and an assembly encapsulating the photovoltaic cells. The first layer includes plural plates independent from each other, each plate located opposite a photovoltaic cell. Rigidity of the encapsulating assembly is defined by a Young's modulus of encapsulation material greater than or equal to 75 MPa at ambient temperature and a thickness of the encapsulating assembly between 0.4 and 1 mm. The first layer includes at least one transparent polymer material of acrylic block copolymers or a composition including at least one acrylic block copolymer having formula (A)nB, in which: n is an integer greater than or equal to 1; A is an acrylic or methacrylic homo- or copolymer having a glass transition temperature greater than 50° C.; and B is an acrylic or methacrylic homo- or copolymer having a glass transition temperature less than 20° C.

Abstract: A photovoltaic structure including an assembly of plural photovoltaic cells arranged side by side and electrically connected together, and an assembly encapsulating the plural photovoltaic cells. The encapsulating assembly and assembly of plural photovoltaic cells is situated between first and second layers, and a fixation layer situated between a circulable zone and a photovoltaic module, enabling adherence of the photovoltaic module to the circulable zone. The first layer includes at least one transparent polymer material and plural panels independent of each other, each panel situated facing at least one photovoltaic cell, to form a discontinuous front face of the photovoltaic module, and rigidity of the encapsulating assembly is defined by a Young's modulus of the encapsulation material greater than or equal to 75 MPa at ambient temperature and a thickness of the encapsulating assembly is between 0.4 and 1 mm.

Abstract: A photovoltaic module including at least a transparent first layer forming a front face of the photovoltaic module to receive a light flux, an assembly of plural photovoltaic cells arranged side by side and connected together electrically, an assembly encapsulating the photovoltaic cells, and a second layer fo ming a rear face of the photovoltaic module. The encapsulating assembly and assembly of photovoltaic cells is located between the first and second layers. The first layer includes at least a transparent polymer material and plural plates independent from one another, each plate located opposite at least one photovoltaic cell, to form a discontinuous front face for the photovoltaic module. Rigidity of the encapsulating assembly is defined by a Young's modulus of the encapsulation material greater than or equal to 75 MPa at ambient temperature and a thickness of the encapsulating assembly is between 0.4 and 1 mm.

Abstract: An organic electronic device containing a stack successively including a polymer substrate covered with a first layer E1 made of conductive or semiconductor material; a hole transport layer HTL; an active layer A; and a second layer E2 made of conductive or semiconductor material. The HTL layer is a bilayer formed of a so-called neutral layer based on PEDOT:PSS and of a so-called acid layer based on PEDOT:PSS. The neutral layer is in contact with first layer E1 while the acid layer is in contact with active layer A.

Abstract: The invention relates to a device for interconnecting photovoltaic cells having contacts on their back side, comprising at least one layer of a woven produced from electrically insulating fibers, comprising at least one thread or tape section made of an electrically conductive material woven with said fibers and arranged so as to be flush with the surface of at least one region of the woven in order to form an electrical contact region intended to be connected to a contact pad located on the back side of a cell. The invention also relates to a module of interconnected photovoltaic cells having contacts on the back side, comprising an interconnecting device arranged along the back side of the cells, and a process for manufacturing such a module.

Abstract: The invention relates to a method for preparing a colloidal nanoparticle solution, including: (a) dissolving a titanium-oxide precursor, referred to as a precursor, in one or more solvents, referred to as precursor solvents; and (b) chemically converting, preferably by means of hydrolysis, said titanium-oxide precursor and said precursor solvent into a colloidal-solution solvent so as to form titanium-oxide nanoparticles that are dispersed in the colloidal-solution solvent, said colloidal solution having a dynamic viscosity of between 4 and 54 cP at 20° C. and 101,325 Pa. The invention also relates to a colloidal titanium-oxide nanoparticle solution containing a dispersion of titanium-oxide nanoparticles in a solvent or system of solvents, the viscosity of which is between 4 and 54 cP, said solution being particularly obtainable according to the method of the invention, as well as to the uses thereof, in particular for preparing photovoltaic cells.

Abstract: The invention relates to a device for interconnecting photovoltaic cells having contacts on their back side, comprising at least one layer of a woven produced from electrically insulating fibres, comprising at least one thread or tape section made of an electrically conductive material woven with said fibres and arranged so as to be flush with the surface of at least one region of the woven in order to form an electrical contact region intended to be connected to a contact pad located on the back side of a cell. The invention also relates to a module of interconnected photovoltaic cells having contacts on the back side, comprising an interconnecting device arranged along the back side of the cells, and a process for manufacturing such a module.

Abstract: A photovoltaic solar module including at least one photovoltaic cell including a first transparent polymer layer surrounding the cell on all or some of its sides and a second transparent polymer layer surrounding the first transparent polymer layer on all or some of its sides. The second transparent polymer layer has a thickness greater than or equal to 0.5 mm and a Shore hardness D greater than that of the first polymer layer.

Abstract: The invention relates to a method for preparing a colloidal nanoparticle solution, including: (a) dissolving a titanium-oxide precursor, referred to as a precursor, in one or more solvents, referred to as precursor solvents; and (b) chemically converting, preferably by means of hydrolysis, said titanium-oxide precursor and said precursor solvent into a colloidal-solution solvent so as to form titanium-oxide nanoparticles that are dispersed in the colloidal-solution solvent, said colloidal solution having a dynamic viscosity of between 4 and 54 cP at 20° C. and 101,325 Pa. The invention also relates to a colloidal titanium-oxide nanoparticle solution containing a dispersion of titanium-oxide nanoparticles in a solvent or system of solvents, the viscosity of which is between 4 and 54 cP, said solution being particularly obtainable according to the method of the invention, as well as to the uses thereof, in particular for preparing photovoltaic cells.

Abstract: The invention relates to a method for forming, on a conductive plastic substrate, a 2D crystalline layer based on zinc oxide, possibly doped, characterized in that: the 2D layer is formed by electrochemical deposition; the electrochemical deposition is performed at a temperature ranging between 55° C. and 65° C.; the electrochemical deposition is performed in the presence of oxygen, by means of a solution including a zinc source at a concentration ranging between 2.5 mM and 7 mM; and a supporting electrolyte at a concentration ranging between 0.06 M et 0.4 M.

Abstract: The electrically active layer of an organic heterojunction solar cell is associated with an additional layer, so as to promote the vertical segregation between the p-type organic semiconductor material and the n-type carbonaceous semiconductor material that are present in the electrically active layer. The additional layer is in direct contact with the electrically active layer. Said additional layer comprises a compound forming noncovalent interactions with the n-type semiconductor carbonaceous material. In particular, said compound can be P4VP when the electrically active layer is formed of a mixture of P3HT:PCBM. Moreover, said additional layer comprises a n-type semiconductor material.

Abstract: The inventive method for placing and fixing (bonding) a first object, whose surface is functionalized by compounds of formula I Y (X), A? (I), on the surface of a second object whose surface is functionalized by compounds of formula II Y (X)n A (II), wherein A and A? are functional groups enabling to be bonded at least by a link in a covalent manner to an object surface X and X? are aliphatic, linear, branched or cyclic spacers which can comprise one or several hetero or aromatic, or heteroaromatic atoms or consist of several aromatic or heteroaromatic cycles and optionally of alternating aliphatic chains having aromatic or heteroaromatic groups, n and n?=0 or 1 and Y and Y are functions for generating one or several non-covalent bonds wherein said Y or Y? are selected such that they are complementary or can complex a metal atom or an identical metal compound.

Abstract: A method of preparing a polymeric composition with photovoltaic properties comprises a step of blending, in a solvent, at least one electron donor type semiconductor polymeric material essentially in the form of nanofibrils and at least one electron acceptor type material in the solvent, said nanofibrils representing at least 10% by weight of the electron donor type semiconductor polymeric material, to polymeric compositions with photovoltaic properties, and to photovoltaic cells incorporating such polymeric compositions.

Abstract: The inventive method for placing and fixing (bonding) a first object, whose surface is functionalized by compounds of formula I Y (X), A? (I), on the surface of a second object whose surface is functionalized by compounds of formula II Y (X)n A (II), wherein A and A? are functional groups enabling to be bonded at least by a link in a covalent manner to an object surface X and X? are aliphatic, linear, branched or cyclic spacers which can comprise one or several hetero, or aromatic, or heteroaromatic atoms or consist of several aromatic or heteroaromatic cycles and optionally of alternating aliphatic chains having aromatic or heteroaromatic groups, n and n?=0 or 1 and Y and Y are functions for generating one or several non-covalent bonds wherein said Y or Y? are selected such that they are complementary or can complex a metal atom or an identical metal compound.

Abstract: A method of preparing a polymeric composition with photovoltaic properties comprises a step of blending, in a solvent, at least one electron donor type semiconductor polymeric material essentially in the form of nanofibrils and at least one electron acceptor type material in the solvent, said nanofibrils representing at least 10% by weight of the electron donor type semiconductor polymeric material, to polymeric compositions with photovoltaic properties, and to photovoltaic cells incorporating such polymeric compositions.