Hybrid photovoltaic cells and related methods

H - Electricity – 01 – L

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H01L 51/42 (2006.01)

Patent

CA 2685033

The present invention relates to a photovoltaic cell comprising of first and second electrodes and a plurality of aligned semiconducting nanorods disposed between the electrodes, each nanorod being electrically connected to the first electrode and electrically insulated from the second electrode. A plurality of photoresponsive nanocrystals surround and are bound to the nanorods. A semiconductor polymer surrounds the nanorods and is bound to the nanocrystals and to at least the second electrode. The nanocrystals act as heteroj unctions channeling a first charge carrier into the nanorods and a second charge carrier into the polymer.

La présente invention porte sur une cellule photovoltaïque comprenant des première et seconde électrodes et une pluralité de nanotiges semi-conductrices alignées disposées entre les électrodes, chaque nanotige étant connectée électriquement à la première électrode et isolée électriquement de la seconde électrode. Une pluralité de nanocristaux photosensibles entourent et sont liés aux nanotiges. Un polymère semi-conducteur entoure les nanotiges et est lié aux nanocristaux et à au moins la seconde électrode. Les nanocristaux agissent en tant qu'hétérojonctions réalisant le canal d'un premier porteur de charge dans les nanotiges et d'un second porteur de charge dans le polymère.

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