Improving Crystalline Silicon Solar Cell Efficiency Using Graded-Refractive-Index SiON/ZnO Nanostructures-Reference-Cited by-同舟云学术

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

Published:2015 Issue: Volume:2015 Page:1-6
ISSN:1110-662X
Container-title:International Journal of Photoenergy
language:en
Short-container-title:International Journal of Photoenergy

Author:

Tu Yung-Chun¹,Wang Shui-Jinn¹²,Wu Chien-Hung³,Chang Kow-Ming⁴,Lin Tseng-Hsing¹,Hung Chien-Hsiung¹,Wu Jhen-Siang¹

Affiliation:

1. Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University, Tainan 701, Taiwan

2. Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan

3. Department of Electronics Engineering, Chung Hua University, Hsinchu 300, Taiwan

4. Department of Electronics Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

Abstract

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) to1.9~2.0(Si3N4and ZnO) to1.72~1.75(SiON) to 1 (air). Experimental results show that the use of 0.4 μm long ZnO NT arrays coated with a 150 nm thick SiON film increasesΔη/ηby 39.2% under AM 1.5 G (100 mW/cm2) illumination as compared to that of regular SCs with a Si3N4/micropyramid surface. This enhancement can be attributed to SiON/ZnO NT arrays effectively releasing surface reflection and minimizing Fresnel loss.

Funder

Ministry of Science and Technology, Taiwan

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

Link

http://downloads.hindawi.com/journals/ijp/2015/275697.pdf

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