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Updated: May 6, 2026
Epitaxial Nanostructured α-Quartz Films on Silicon: From the Material to New Devices
Published on: October 6, 2020
Silicon nanowires nanogenerator based on the piezoelectricity of alpha-quartz
Kui Yin1, Haiyang Lin, Qian Cai
1Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Soochow University, Suzhou 215123, P. R. China. mwshao@suda.edu.cn.
Abstract:
Silicon nanowires are important semiconductor with core/shell structure. In this work, the piezoelectric material alpha-quartz was grown in the interface of silicon nanowires by thermal treatment at 600 °C for 0.5 h. These nanowires were employed as starting materials to fabricate piezoelectric nanogenerators, which could convert kinetic energy into electrical one, exhibiting an output voltage of 36.5 V and a response current of 1.4 μA under a free-falling object of 300 g at a height of 30 cm.
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