Conductive inks

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 11/00 (2006.01) H01B 1/22 (2006.01) H01L 21/60 (2006.01) H01L 23/482 (2006.01) H01L 31/0224 (2006.01)

Patent

CA 2712114

A conductive ink substantially free of frit and photovoltaic cells having conductive gridlines formed from a conduc-tive ink substantially free of glass frit are described. Conductive inks according embodiments of the present invention are adapted to adhere to the surface of a substrate and, upon firing, form a solid metal oxide phase and cause a conductive species to form an electri-cal conductor on the substrate. In further embodiments, the conductive ink is capable of penetrating anti-reflection coatings disposed on surfaces of substrates. In accordance with one or more embodiments, the conductive inks include a plurality of metallo-organic components which form a solid metal oxide phase upon firing and a conductive species. In other embodiments, the conductive inks include a plurality of precursors, including one or more precursors which form conductive elements upon firing or heating.

L'invention concerne une encre conductrice sensiblement exempte de fritte de verre et de cellules photovoltaïques comprenant des lignes de grilles formées à partir d'une encre conductrice sensiblement exempte de fritte de verre. Dans certains modes de réalisation, les encres conductrices de l'invention sont conçues pour adhérer à la surface d'un substrat et forment, lors de la cuisson, une phase d'oxyde métallique solide et entraînent une espèce conductrice à former un conducteur électrique sur le substrat. Dans d'autres modes de réalisation, l'encre conductrice est capable de pénétrer des revêtements anti-réfléchissants disposés sur des surfaces de substrat. Selon un ou plusieurs modes de réalisation, les encres conductrices comprennent des composants organométalliques qui forment une phase d'oxyde métallique solide lors de la cuisson et une espèce conductrice. Dans d'autres modes de réalisation, l'encre conductrice comprend une pluralité de précurseurs comprenant un ou plusieurs précurseurs qui forment des éléments conducteurs lors de la cuisson et du chauffage.

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