Light trapping enhancement in thin film silicon solar cells with different front and back grating p

• 作 者: 刘仁臣 夏子英 吴永刚 焦宏飞 梁钊铭 周建
• 机 构: InstituteofPrecisionOpticalEngineering
• 出 处: 中国光学快报：英文版
• 发表日期: 2013年12期
• 关键词: 硅太阳能电池 双光栅结构 周期性 背面 薄膜 短路电流 横向位移 几何参数 Diffraction gratings
• 基金项目: supported by the National Natural Science Foundation of China(No.60977028),the Key Project Foundation of Shanghai(No.09JC1413800)

Dual-grating structure thin-f ilm silicon solar cells with dif ferent front and back grating periodicities are designed The geometrical parameters of both gratings are investigated. The reflection is greatly reduced by the front grating, whereas the absor