TRANSPARENT CONDUCTIVE SUBSTRATE FOR OPTOELECTRONIC DEVICES

摘要

The invention relates to a transparent conductive substrate for optoelectronic devices, comprising a base and a conductive coating comprising doped zinc oxide, said coating being formed by a single stack of two layers having different electrical conductivity, namely a so-called high electrical conductivity layer and a so-called low electrical conductivity layer, whereby the so-called high electrical conductivity layer forms the part of the stack closest to the base. According to the invention, the high electrical conductivity layer is a layer comprising zinc oxide doped with m wt.-% of oxide of a doping element where m is less than or equal to 6 and the so-called low electrical conductivity layer is a layer comprising zinc oxide doped with (m/p) wt.-% of oxide of a doping element where p is greater than or equal to 2.