柔性硅纳米线阵列的制备及光催化性能研究

doi:10.7517/j.issn.1674-0475.2015.04.307

影像科学与光化学 ›› 2015, Vol. 33 ›› Issue (4): 307-314.DOI: 10.7517/j.issn.1674-0475.2015.04.307

柔性硅纳米线阵列的制备及光催化性能研究

张丙昌^1,2, 王辉¹, 李凡¹, 张晓宏¹

1. 中国科学院理化技术研究所, 北京 100190;
2. 中国科学院大学, 北京 100049

收稿日期:2015-04-09 修回日期:2015-04-30 出版日期:2015-07-16 发布日期:2015-07-16
通讯作者: 张晓宏
基金资助:
973重大科学研究计划(2012CB932400, 2013CB933500)、国家自然科学基金(51172246, 51373188)和国家自然科学基金重大研究计划(91333208)资助

Fabrication and Photocatalytic Study of Flexible Silicon Nanowires Array

ZHANG Bingchang^1,2, WANG Hui¹, LI Fan¹, ZHANG Xiaohong¹

1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
2. University of Chinese Academy of Sciences, Beijing 10049, P. R. China

Received:2015-04-09 Revised:2015-04-30 Online:2015-07-16 Published:2015-07-16

摘要/Abstract

摘要：

硅纳米线阵列是利用太阳能解决能源和环境问题的重要材料,然而,可用于柔性器件和生物相容性器件的柔性硅纳米线阵列的制备方法非常有限。本文通过化学气相沉积,以及高分子转移的方法,成功制备了具有不同高分子层厚度的柔性硅纳米线阵列,并研究了高分子层厚度对柔性硅纳米线阵列光催化性能的影响。结果表明,高分子层厚度越小,柔性硅纳米线阵列的光催化性能越强。因此,利用本文提出的制备方法得到的高分子层厚度低至5 μm的柔性硅纳米线阵列,具有作为高效柔性太阳能电池和全光解水系统光电极的潜力。同时,该研究结果也为设计具有高效光能转换能力的柔性纳米线阵列提供了重要依据。

关键词: 柔性, 硅纳米线阵列, 光催化, 化学气相沉积

Abstract:

Silicon nanowires array is an important material for utilizing solar energy to solve energetic and environmental problems. However, there are few methods in fabricating flexible silicon nanowires array, which could be used in flexible electronics and biocompatibility devices. In this work, flexible silicon nanowires arrays with different polymer thickness are successfully fabricated through chemical vapor deposition and polymer-assistant transfer method. The influence of polymer thickness on the photocatalytic activity of flexible silicon nanowires array is also studied. The result reveals that the photocatalytic activity of flexible silicon nanowires array would increase as the thickness of polymer decreases. Thus, flexible silicon nanowires array with polymer thickness as low as 5 μm fabricated in this work is potential as the photoelectrode in highly effective flexible solar cells and water-splitting photoelectrochemical system. And the result also provides foundation for designing flexible nanowires array with high solar energy transferring capability.

Key words: flexibility, silicon nanowires array, photocatalysis, chemical vapor deposition

张丙昌, 王辉, 李凡, 张晓宏. 柔性硅纳米线阵列的制备及光催化性能研究[J]. 影像科学与光化学, 2015, 33(4): 307-314.

ZHANG Bingchang, WANG Hui, LI Fan, ZHANG Xiaohong. Fabrication and Photocatalytic Study of Flexible Silicon Nanowires Array[J]. Imaging Science and Photochemistry, 2015, 33(4): 307-314.

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柔性硅纳米线阵列的制备及光催化性能研究

Fabrication and Photocatalytic Study of Flexible Silicon Nanowires Array

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