The plasmonics front electrodes applied to thin film solar cells

2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2 Pub Date : 2012-06-03 DOI:10.1109/PVSC-VOL2.2012.6750498

A. Kolodziej, W. Baranowski, Michał Kołodziej, T. Kolodziej

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引用次数: 1

Abstract

Latest investigations in photovoltaic have generated interest in thin-film technologies with nanostructural modifications. In this paper we concentrate mainly on the technological experiments, as well as the structure and the composition control of the components of a thin silicon solar cell by means of electron microscopy as well as optical transmission and reflection analysis. Scattering and absorption from nanoparticles and their location within the multilayer solar cell are considered. Manufacturing Ag pellets with the desired shape and size makes the experiment even more difficult. The ZnO layers with relatively large Ag particles, exhibit favorable angle scattering leading to increased optical length and the layers with very small Ag particles (2.5 nm) located in the vicinity of the absorber show the excitation of surface plasmons increasing the absorption and influencing the frequency spectrum. We obtained a series of 5x5 cm2 samples with homogeneously distributed nano-crystalline Ag particles with high degree of control of nano-particle diameter size.

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等离子体前电极应用于薄膜太阳能电池

光伏领域的最新研究引起了人们对纳米结构修饰薄膜技术的兴趣。本文主要对薄硅太阳能电池进行了工艺实验，并利用电子显微镜和光透射和反射分析对电池的结构和组成进行了控制。考虑了纳米粒子的散射和吸收及其在多层太阳能电池中的位置。制造具有所需形状和尺寸的银颗粒使实验更加困难。具有较大Ag粒子的ZnO层表现出有利的角度散射，导致光学长度增加，而位于吸收器附近具有非常小Ag粒子(2.5 nm)的ZnO层表现出表面等离子体激元的激发，增加了吸收并影响了频谱。我们获得了一系列5x5 cm2的样品，这些样品具有均匀分布的纳米晶银颗粒，并且纳米颗粒直径尺寸具有高度的控制。

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2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2

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