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Plasmonics

, Volume 13, Issue 2, pp 555–561 | Cite as

Morphology Optimization of Silver Nanoparticles Used to Improve the Light Absorption in Thin-Film Silicon Solar Cells

  • Zhiqiang Duan
  • Meicheng Li
  • Trevor Mwenya
  • Yingfeng Li
  • Dandan Song
Article

Abstract

Silver nanoparticle (NP) arrays are used as antireflection coating to enhance light trapping capability of thin-film silicon solar cells. In this paper, we theoretically investigate the differences of light absorption distribution between the silver NP (spherical and hemispherical) array layer and the crystalline silicon (CS) substrate. Compared to the naked silicon of the same thickness, the results show that only the flattened hemispherical silver NPs can really improve the light trapping ability and make the light absorption of CS body increase by 26%; the optimum ratio of lateral (NP diameter divided by the array periodicity) and longitudinal (NP height divided by diameter) are 0.86 and 0.22, respectively.

Keywords

Antireflection coatings Geometric optical design Thin films Nanomaterials 

Notes

Acknowledgements

This work was supported partially by the National High-tech R&D Program of China (2015AA034601), National Natural Science Foundation of China (91333122, 61204064, 51202067, 51372082, 51402106, and 11504107), Ph.D. Programs Foundation of Ministry of Education of China (20120036120006, 20130036110012), Par-Eu Scholars Program, and the Fundamental Research Funds for the Central Universities.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Zhiqiang Duan
    • 1
    • 2
  • Meicheng Li
    • 2
    • 3
  • Trevor Mwenya
    • 2
  • Yingfeng Li
    • 2
  • Dandan Song
    • 2
  1. 1.School of Mathematical and Physical ScienceNorth China Electric Power UniversityBeijingChina
  2. 2.State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, School of Renewable EnergyNorth China Electric Power UniversityBeijingChina
  3. 3.Chongqing Materials Research InstituteChongqingChina

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