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Efficiency enhancement of an ultra-thin film silicon solar cell using conical-shaped nanoparticles: similar to superposition (top, middle, and bottom)

机译：使用锥形纳米颗粒的超薄薄膜硅太阳能电池的效率提高：类似于叠加（顶部，中间和底部）

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摘要

The use of conical-shaped plasmonic nanostructures for light management in an ultra-thin silicon solar cell has been investigated. The optical absorption and hence photocurrent are obtained for several cases of structures using finite difference time domain simulations. In this paper, we demonstrate that the use of superposition theorem causes significant photocurrent enhancement due to the surface plasmonic effects of nanoparticles. For this, at first, we used one conical-shaped nanoparticle at the top side, then in the rear side, and finally, three nanoparticles are used in the top, bottom, and middle sides. Depending on the incident light wavelength, each nanoparticle manipulates the part of the spectrum. The photocurrents of 9.165, 10.463, 16.402, 17.761, and 18.072 mA/cm~2, are obtained for a cell without nanoparticles, with one conical-shaped NP at the top, with one conical-shaped NP at the bottom, with two NPs at top and bottom and with three NPs at the top, bottom, and middle, respectively. Finally, the electrical field distribution and generation rate are calculated for proposed structures.
机译：研究了在超薄硅太阳能电池中使用锥形等离子体纳米结构进行轻型管理。使用有限差时域模拟获得几种结构的光学吸收和因此光电流。在本文中，我们证明使用叠加定理的使用导致纳米颗粒的表面等离子体效应引起的显着的光电流增强。为此，首先，我们在顶侧使用一个圆锥形纳米粒子，然后在后侧，最后，在顶部，底部和中间侧使用三个纳米颗粒。根据入射光波长，每个纳米粒子操纵光谱的一部分。在没有纳米颗粒的电池中获得9.165,10.463,16.402,1761和18.072mA / cm〜2的光电流，顶部有一个圆锥形的NP，底部有一个圆锥形的NP，有两个NPS在顶部和底部，顶部，底部和中间有三个NPS。最后，计算所提出的结构的电场分布和产生速率。

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