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Transparent electrode for thin film solar cell, substrate with transparent electrode for thin film solar cell and thin film solar cell using the same, and method for producing transparent electrode for thin film solar cell
Transparent electrode for thin film solar cell, substrate with transparent electrode for thin film solar cell and thin film solar cell using the same, and method for producing transparent electrode for thin film solar cell
Disclosed are: a transparent electrode having a zinc oxide film wherein initial characteristics and humidity resistance during long-time use coexist; and a thin film solar cell provided with said electrode. The transparent electrode contains a transparent conductive layer mainly made of zinc oxide. The transparent conductive film preferably has the following characteristics: having surface irregularities; a carrier concentration of 9 × 10 19 cm -3 or less; a crystal structure having a (110) preferred orientation; a ratio of a (110) peak intensity to a (002) peak intensity I(110)/I(002) measured by X-ray diffraction being 50 or more; and a crystallite with a (110) orientation has a size of 23 nm or more and 50 nm or less, in a planar direction parallel to a substrate; and 30 nm or more and 60 nm or less, in a planar direction perpendicular to the substrate.
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机译:公开了一种具有氧化锌膜的透明电极,其中,长期使用时的初期特性和耐湿性并存。具备上述电极的薄膜太阳能电池。透明电极包含主要由氧化锌制成的透明导电层。透明导电膜优选具有以下特征:具有表面凹凸;载流子浓度为9×10 19 cm -3以下;具有(110)优选取向的晶体结构;通过X射线衍射测得的(110)峰强度与(002)峰强度I(110)/ I(002)之比为50以上。 (110)取向的微晶在与基板平行的平面方向上的大小为23nm以上且50nm以下。在垂直于基板的平面方向上为30nm以上且60nm以下。
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