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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Back scattering involving embedded silicon nitride (SiN) nanoparticles for c-Si solar cells
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Back scattering involving embedded silicon nitride (SiN) nanoparticles for c-Si solar cells

机译：涉及C-Si太阳能电池的嵌入的氮化硅（SiN）纳米粒子的后散射

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摘要

A novel material, structure and method of synthesis for dielectric light trapping have been presented in this paper. First, the light scattering behaviour of silicon nitride nanoparticles have been theoretically studied in order to find the optimized size for dielectric back scattering by FDTD simulations from Lumerical Inc. The optical results have been used in electrical analysis and thereby, estimate the effect of nanoparticles on efficiency of the solar cells depending on substrate thickness. Experimentally, silicon nitride (SiN) nanoparticles have been formed using hydrogen plasma treatment on SiN layer deposited by Plasma Enhanced Chemical Vapour Deposition (PECVD). The size and area coverage of the nanoparticles were controlled by varying the working pressure, power density and treatment duration. The nanoparticles were integrated with partial rear contact c-Si solar cells as dielectric back reflector structures for the light trapping in thin silicon solar cells. Experimental results revealed the increases of current density by 2.7% in presence of SiN nanoparticles. (C) 2017 Elsevier B.V. All rights reserved.
机译：本文介绍了一种新的材料，结构和合成介电光俘获的方法。首先，理论上已经研究了氮化硅纳米颗粒的光散射行为，以便通过来自Lumerical Inc的FDTD模拟找到用于电介质背面散射的优化尺寸。光学结果已用于电气分析，从而估计纳米颗粒的效果根据基板厚度的太阳能电池的效率。通过实验地，使用氮化硅（SiN）纳米颗粒在沉积的等离子体增强的化学气相沉积（PECVD）上使用氢等离子体处理形成。通过改变工作压力，功率密度和治疗持续时间来控制纳米颗粒的尺寸和面积覆盖。纳米颗粒与部分后接触C-Si太阳能电池集成为用于薄硅太阳能电池中的光捕获的电介质背反射器结构。实验结果表明，在SIN纳米粒子存在下，电流密度的增加2.7％。 （c）2017年Elsevier B.V.保留所有权利。

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