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|標題:||Tri-layer antireflection coatings (SiO2/SiO2-TiO2/TiO2) for silicon solar cells using a sol-gel technique|
|期刊/報告no：:||Solar Energy Materials and Solar Cells, Volume 90, Issue 16, Page(s) 2710-2719.|
|摘要:||Antireflection coatings (ARCS) have become one of the key issues for mass production of Si solar cells. They are generally performed by vacuum processes such as thermal evaporation, reactive sputtering, and plasma-enhanced chemical vapor deposition. In this work, a sol-gel method has been demonstrated to prepare the ARCS for the non-textured monocrystalline Si solar cells. The spin-coated TiO2 single-layer, SiO2/TiO2 double-layer and SiO2/SiO2-TiO2/TiO2 triple-layer ARCS were deposited on the Si solar cells and they showed good uniformity in thickness. The measured average optical reflectance (400-1000 nm) was about 9.3, 6.2 and 3.2% for the single-layer, double-layer and triple-layer ARCS, respectively. Good correlation between theoretical and experimental data was obtained. Under a triple-layer ARC condition, a 39% improvement in the efficiency of the monocrystalline Si solar cell was achieved. These indicate that the sol-gel ARC process has high potential for low-cost solar cell fabrication. (c) 2006 Elsevier B.V. All rights reserved.|
|Appears in Collections:||材料科學與工程學系|
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