用混和酸对碳纳米管进行功能化处理,并配制稀土改性碳纳米管悬浮液,通过自组装技术在单晶硅表面制备稀土改性碳纳米管复合薄膜.XPS和SEM检测结果表明:功能化处理后,碳纳米管表面含有羟基、羧基等官能团；稀土改性溶液中稀土的质量分数为0.3％时,对碳纳米管的改性效果最明显.从吸收光谱可以看出,稀土改性碳纳米管复合薄膜在紫外-可见光区域均有吸收,特征峰相对密集在紫外光区域,能够拓展晶体硅太阳能电池的光谱响应范围.
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