Improving Crystalline Silicon Solar Cell Efficiency Using Graded-Refractive-Index SiON/ZnO Nanostructures

Yung Chun Tu, Shui-Jinn Wang, Chien Hung Wu, Kow Ming Chang, Tseng Hsing Lin, Chien Hsiung Hung, Jhen Siang Wu

研究成果: Article

摘要

The fabrication of silicon oxynitride (SiON)/ZnO nanotube (NT) arrays and their application in improving the energy conversion efficiency (η) of crystalline Si-based solar cells (SCs) are reported. The SiON/ZnO NT arrays have a graded-refractive-index that varies from 3.5 (Si) to 1.9 2.0 (Siand ZnO) to 1.72 1.75 (SiON) to 1 (air). Experimental results show that the use of 0.4 m long ZnO NT arrays coated with a 150 nm thick SiON film increases Δ η / η by 39.2% under AM 1.5 G (100 mW/cm 2 ) illumination as compared to that of regular SCs with a Simicropyramid surface. This enhancement can be attributed to SiON/ZnO NT arrays effectively releasing surface reflection and minimizing Fresnel loss.

原文English
文章編號275697
期刊International Journal of Photoenergy
2015
DOIs
出版狀態Published - 2015 一月 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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