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磁控濺鍍負電荷介質薄膜在矽晶太陽電池上的應用

Applications of Negative Charge Thin Films on Silicon Solar Cells

摘要


負電荷介質薄膜可降低太陽能電池自由載子之表面復合速率,進而提升矽晶太陽能電池轉換效率。本研究以磁控濺鍍製作AlO(下標 x)N(下標 y)薄膜,負電荷累積量達到-2.26×10^12 cm^(-2),可提升矽晶太陽能電池太陽能轉換效率由15.9%提升到17.3%。

並列摘要


Negative charge thin film, AlO(subscript x)N(subscript y) has been fabricated to passivate the surface of crystalline silicon solar cell and reduce the surface recombination velocity. The fabrication of the film was using ion-beam sputtering deposition and following annealing in oxygen ambient. The fixed charge density has increased from 10^11 cm^(-2) to 2.26×10^12 cm^(-2) after annealing. The solar cell efficiency increased from 15.9% to 17.3%.

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