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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters >Modulated surface nanostructures for enhanced light trapping and reduced surface reflection of crystalline silicon solar cells
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Modulated surface nanostructures for enhanced light trapping and reduced surface reflection of crystalline silicon solar cells

机译:调制的表面纳米结构可增强晶体硅太阳能电池的光俘获和减少的表面反射

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We demonstrated the fabrication of modulated surface nanostructures as a new surface texture design for thin wafer solar cells. Using a combination of conventional alkali etching and colloidal lithography, we fabricated surface textures with micrometer and nanometre scales on a Si substrate. These modulated surface nanostructures exhibit reduced surface reflection in a broad spectral range, compared with conventional micrometer textures. We investigated optical absorption using a rigorous coupled wave analysis simulation, which revealed a significant reduction in surface reflection over a broad spectral range and efficient light trapping (comparable to that of conventional micrometer-scale textures) for the modulated nanostructures. We found that the modulated surface nanostructures have a high potential of improving the performance of thin wafer crystalline Si solar cells. (C) 2016 The Japan Society of Applied Physics
机译:我们展示了调制表面纳米结构的制造,作为薄晶片太阳能电池的新表面纹理设计。结合使用常规碱蚀刻和胶体光刻技术,我们在Si基板上制作了微米级和纳米级的表面纹理。与常规的千分尺纹理相比,这些调制的表面纳米结构在宽光谱范围内表现出降低的表面反射。我们使用严格的耦合波分析模拟研究了光吸收,结果显示在宽光谱范围内表面反射显着减少,并且调制纳米结构的光捕获效率(与传统的微米级纹理相当)有效。我们发现调制的表面纳米结构具有改善薄晶片晶体硅太阳能电池性能的高潜力。 (C)2016年日本应用物理学会

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