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首页> 外文期刊>International Journal of Photoenergy >Growth and Properties of ZnO:Al on Textured Glass for Thin Film Solar Cells
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Growth and Properties of ZnO:Al on Textured Glass for Thin Film Solar Cells

机译：ZnO：Al在薄膜太阳能电池用玻璃上的生长和性能

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摘要

Aluminium induced texturing (AIT) method has been used to texture glass substrates in order to enhance the photon absorption in thin film solar cells. The resultant glass roughness has been analyzed by varying the AIT process parameters and it has been found that the deposition method of Al is a decisive factor in tuning the texture. Two types of textures, a soft (texture E) and a rough texture (texture S), were achieved from the thermally evaporated and sputtered Al layers through AIT process. Aluminium-doped zinc oxide (AZO) layers of different thickness were deposited over both textures and over smooth glass. Haze values above 30% were obtained for texture S + AZO and above 10% for texture E + AZO. The resultant morphologies were free from sharp edges or deep valleys and the transparency and the resistivity values were also good enough to be used as front contact for thin film solar cells. In order to demonstrate the light absorption enhancement in a solar cell device, 200 nm of a-Si:H followed by 300 nm of Ag were grown over the textured and smooth substrates with AZO, and an optical absorption enhancement of 35% for texture E and 53% for texture S was obtained in comparison to the smooth substrate.
机译：为了增强薄膜太阳能电池中的光子吸收，铝诱导纹理化（AIT）方法已用于对玻璃基板进行纹理化处理。通过改变AIT工艺参数来分析所得的玻璃粗糙度，并且已经发现Al的沉积方法是调节织构的决定性因素。通过AIT工艺从热蒸发和溅射的Al层中获得了两种类型的纹理，即柔软的（纹理E）和粗糙的纹理（纹理S）。不同厚度的铝掺杂氧化锌（AZO）层均沉积在两个纹理和光滑玻璃上。质地S + AZO的雾度值高于30％，质地E + AZO的雾度值高于10％。所得的形貌没有锐利的边缘或深的谷，并且透明度和电阻率值也足够好以用作薄膜太阳能电池的正面接触。为了证明在太阳能电池设备中的光吸收增强，在具有AZO的纹理化和光滑衬底上生长200 nm的a-Si：H，然后生长300 nm的Ag，对于纹理E的光吸收增强3​​5％与光滑基材相比，获得了53％的质地S。

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