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首页> 外文会议>6th photovoltaic science, applications and technology conference >Geometrical and Optical Characterisation of Ag Nanopartlcles Deposited on Si and SiO_2
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Geometrical and Optical Characterisation of Ag Nanopartlcles Deposited on Si and SiO_2

机译：沉积在Si和SiO_2上的Ag纳米粒子的几何和光学表征

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摘要

The ability of plasmonic metal nanoparticles to enhance absorption or increase scattering in solar cells has often been discussed, however, the influence that these particles may have on reflection has often been ignored. In this paper, we investigate the ability of Ag nanoparticles deposited on Si and SiO_2 to both induce light-trapping and reduce reflectance in solar cells. 5.0 nm Ag films were deposited on Si and Si with 10.0 nm, 20.0 nm, 30.0 nm, and 120.0 nm thermally grown SiO_2, then annealed for 2 hours at 250℃. It was determined that in order to induce light trapping, Ag nanoparticles need to demonstrate high forward-scattering efficiency while at the same time maintain a low absorption factor at long wavelengths. It was discovered that depositing Ag nanoparticles onto a thin thermally grown SiO_2 layer reduces the total reflectance at longer wavelengths while increasing the total reflectance at shorter wavelengths.
机译：经常讨论了等离子体金属纳米粒子增强太阳能电池中吸收或增加散射的能力，但是，这些粒子可能对反射产生的影响常常被忽略。在本文中，我们研究了沉积在Si和SiO_2上的Ag纳米粒子在太阳能电池中既诱捕光又降低反射率的能力。将5.0 nm Ag膜沉积在Si和具有10.0 nm，20.0 nm，30.0 nm和120.0 nm热生长的SiO_2的Si上，然后在250℃退火2小时。已经确定，为了诱导光捕获，Ag纳米颗粒需要表现出高的前向散射效率，同时在长波长下保持低吸收系数。发现将Ag纳米颗粒沉积到薄的热生长的SiO_2层上会降低较长波长下的总反射率，而增加较短波长下的总反射率。

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  • 来源
  • 会议地点 Southampton(GB);Southampton(GB)
  • 作者

    Ang Eu Meng; T.L. Temple; D.M. Bagnall;

  • 作者单位

    Nano Group, Electronics and Computer Science, University of Southampton, Highfield, Southampton, SO17 1BJ;

    rnNano Group, Electronics and Computer Science, University of Southampton, Highfield, Southampton, SO17 1BJ;

    rnNano Group, Electronics and Computer Science, University of Southampton, Highfield, Southampton, SO17 1BJ;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 太阳能技术;
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