Front electrode for use in photovoltaic device and method of...

H - Electricity – 01 – L

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H01L 31/0224 (2006.01) H01L 31/04 (2006.01) H01L 31/0216 (2006.01) H01L 31/028 (2006.01) H01L 31/0296 (2006.01)

Patent

CA 2667941

This invention relates to a front electrode/contact for use in an electronic device such as a photovoltaic device. In certain example embodiments, the front electrode of a photovoltaic device or the like includes a multilayer coating including at least one transparent conductive oxide (TCO) layer (e.g., of or including a material such as tin oxide, ITO, zinc oxide, or the like) and/or at least one conductive substantially metallic IR reflecting layer (e.g., based on silver, gold, or the like). In certain example instances, the multilayer front electrode coating may include one or more conductive metal(s) oxide layer(s) and one or more conductive substantially metallic IR reflecting layer(s) in order to provide for reduced visible light reflection, increased conductivity, cheaper manufacturability, and/or increased infrared (IR) reflection capability.

L'invention concerne une électrode frontale (ou contact) destinée à être utilisée dans un dispositif électronique tel qu'un dispositif photovoltaïque. Dans certains modes de réalisation donnés à titre d'exemple, l'électrode frontale d'un dispositif photovoltaïque ou analogue comprend un revêtement multicouche comportant au moins une couche d'oxyde conducteur transparent (TCO) (par ex., constituée de ou comprenant un matériau tel que de l'oxyde d'étain, de l'ITO, de l'oxyde de zinc ou analogue) et/ou au moins une couche réfléchissant les infrarouges sensiblement métallique, conductrice (par ex., à base d'argent, d'or ou analogue). Dans certains modes de réalisation, le revêtement d'électrode frontale multicouche peut comprendre une ou plusieurs couche(s) d'oxyde métallique(s) conductrice(s) et une ou plusieurs couche(s) réfléchissant les infrarouges, sensiblement métalliques, conductrices, de manière à obtenir une réflexion de lumière visible réduite, une conductivité accrue, une fabrication plus économique, et/ou une capacité de réflexion infrarouge (IR) accrue.

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