Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Centre National De La Recherche Scientifique

Université De Nantes

Commissariat a L'energie Atomique

Hutchinson

Université Louis Pasteur

UniversitÉ Savoie Mont Blanc

Ardeje

Solenn Berson

Philippe Sonntag

Jean-Pierre Simonato

Matthieu Manceau

Stéphane Guillerez

Caroline Celle

Mathieu Senghor

Muriel Firon

Marie Dieudonne

Maria-Delfina Munoz

Mireille Richard-Plouet

Luc Brohan

Noëlla Lemaitre

Cyril Chappaz Gillot

Georges Hadziioannou

Cyril Brochon

Remi De Bettignies

Raul Salazar Romero

Valentina Ivanova

Jérôme Mourao

Mickaël Barret

Arkadiusz Michal Karpinski

Luc René Roger Brohan

Moustafa El Kass

Pierre-Balthazar Lechene

Alissa Lescouet

Thomas Heiser

Séverine Bailly

Noella Lemaitre

The invention concerns a solution of tungstate ions W(VI) comprising as solvent at least one optionally partly etherified polyalcohol, a preparation method and uses thereof. The invention further concerns a layer comprising at least one tungsten oxide WOcomprising one or more polyoxotungstate complexes, methods for preparing the same and uses thereof, and in particular a photovoltaic device comprising said layer of material.

Tungstate ion solution and hybrid photovoltaic device

An ink that can form a P-type layer in an organic electronic device. The ink includes at least nanoparticles of P-type semiconductor metal oxide(s) selected from among VO, NiO, MoO, WOand mixtures thereof and an ionomer, the ionomer being a perfluorosulfonate copolymer, the mass ratio between the ionomer and the nanoparticles of P-type semiconductor metal oxide(s) selected from among VO, NiO, MoO, WOand mixtures thereof being between 0.005 and 0.115. Also, a P layer of an organic electronic device, an electronic device and the formation method thereof.

Ink for forming P layers in organic electronic devices

An optoelectronic device having a layer comprising: poly(3,4-ethylenedioxythiophene); polystyrene sulfonate; and a compound (A) having formula: wherein 0&#x3c;x/y&#x3c;1, Ar1 and Ar2 represent aromatic rings, which may be identical or different, and at least one Ar1 and Ar2 comprises at least one hydrophobic substituent on its ring.

Forming of optoelectronic devices, particularly of inverted-type OPV cells

An organic electronic device having an architecture with an inverted structure, containing a substrate, a first electrode deposited on the substrate, a second electrode and at least one assembly including a multilayer stack disposed between the electrodes, the multilayer stack including the following, successively from the first electrode: an N-type layer; an electrically active layer; and a P-type layer comprising a mixture of poly(3,4-ethylenedioxythiophene):poly (styrene-sulfonate), the stack containing an additional layer, known as the adhesion layer, formed by at least one metallic oxide and inserted between, and in contact with, the active layer and the P-layer. Also, a method for producing such a device.

Organic electronic devices

This forming involves a composition including: poly(3,4-ethylenedioxythiophene) or PEDOT; polystyrene sulfonate or PSS; a compound (A) having formula: with 0&#x3c;x/y&#x3c;1; Ar1 and Ar2 representing two aromatic rings, which may be identical or different; Ar1 and/or Ar2 comprising at least one hydrophobic substituent on its ring.

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&#xb0; 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. The invention also relates to a method for generating power using a semiconductor prepared from said solution.

Formulation of colloidal titanium-oxide solutions composition for coating and printing methods, and improvement of the output and lifespan of organic P-I-N/N-I-P photovoltaic cells

A method for forming, on a conductive or semiconductor substrate, nanowires based on CuSCN, including the steps of: preparing an aqueous electrolytic solution from a Cu(II) salt having a concentration lower than 120 mM, a Cu(II) complexing agent from the aminocarboxylic acid family, and a thiocyanate salt, the solution having a pH ranging between 0.1 and 3; electrochemically depositing the aqueous electrolytic solution on the substrate.

Method for electrochemically manufacturing CuSCN nanowires

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.

Polymeric nanofibril network for photovoltaic cells

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Chambery, France

Solenn Berson