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Enhanced absorption of Ag diamond-type nanoantenna arrays

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Abstract

The optical metal nanoantenna on thin film solar cell is effective to enhance light absorption. In this paper, the diamond-type Ag nanoantenna arrays are proposed for increasing the efficiency of solar cells by localized surface plasmons resonance (LSPR). The effect of metal nanoantenna on the absorption enhancement is theoretically investigated by the finite difference time domain (FDTD) method. Broadband absorption enhancements in both visible and near-infrared regions are demonstrated in case of solar cell with diamond-type Ag nanoantennas. The spectral response is manipulated by geometrical parameters of the nanoantennas. The maximum enhancement factor of 1.51 for solar cell is obtained. For comparison, the other three nanoantennas are also analyzed. The results show that the solar cell with optimized diamond-type nanoantenna arrays is more efficient in optical absorption.

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Authors and Affiliations

  1. School of Information Engineering, Guizhou Minzu University, Guiyang, 550025, China

    Zong-heng Yuan  (袁纵横) & Jing Huang  (黄静)

  2. School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin, 541004, China

    Zong-heng Yuan  (袁纵横), Xiao-nan Li  (李骁男) & Ya-dong Guo  (郭亚东)

Authors
  1. Zong-heng Yuan  (袁纵横)
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  2. Xiao-nan Li  (李骁男)
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  3. Ya-dong Guo  (郭亚东)
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  4. Jing Huang  (黄静)
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Corresponding author

Correspondence to Zong-heng Yuan  (袁纵横).

Additional information

This work has been supported by the International Scientific and Technological Cooperation Projects of Guizhou Province in China (No.[2011] 7035).

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Yuan, Zh., Li, Xn., Guo, Yd. et al. Enhanced absorption of Ag diamond-type nanoantenna arrays. Optoelectron. Lett. 11, 13–17 (2015). https://doi.org/10.1007/s11801-015-4219-7

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  • DOI: https://doi.org/10.1007/s11801-015-4219-7

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