钼网衬底上大面积硅纳米线的制备及其光催化性能研究

doi:10.7517/j.issn.1674-0475.2016.03.257

影像科学与光化学 ›› 2016, Vol. 34 ›› Issue (3): 257-264.DOI: 10.7517/j.issn.1674-0475.2016.03.257

钼网衬底上大面积硅纳米线的制备及其光催化性能研究

黄奔, 李玄泽, 王磊, 夏静, 朱丹丹, 孟祥敏

中国科学院理化技术研究所光化学与光功能材料重点实验室, 北京 100190

收稿日期:2016-04-01 修回日期:2016-04-20 出版日期:2016-05-15 发布日期:2016-05-15
通讯作者: 孟祥敏
基金资助:
国家重点基础研究发展规划项目(973项目,2012CB932401)和中国科学院战略性先导科技专项(XDA09040203)资助

Large-scale Synthesis of Silicon Nanowires on Molybdenum Nets for High-efficiency Photodegradation

HUANG Ben, LI Xuanze, WANG Lei, XIA Jing, ZHU Dandan, MENG Xiangmin

Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

Received:2016-04-01 Revised:2016-04-20 Online:2016-05-15 Published:2016-05-15

摘要/Abstract

摘要：

硅纳米材料广泛应用于光功能导向的各个领域,发展针对光功能应用及一维硅纳米结构的规模化可控制备方法,实现硅纳米结构的宏量制备,将为硅纳米结构的应用提供材料保障。本文采用简单的化学气相沉积法成功地在Mo网衬底上制备了大面积的硅纳米线(SiNWs),并通过扫描电子显微镜、透射电子显微镜、X射线粉末衍射仪、拉曼光谱仪,对制备的SiNWs进行了详细的研究。通过在低功率紫外光照射下SiNWs对罗丹明B和甲基蓝的光降解能力的研究,发现在Mo网衬底上生长的SiNWs对于有机染料具有很好的降解能力。

关键词: 硅纳米线, 化学气相沉积法, Mo网衬底, 光催化

Abstract:

Si nano-materials are wildly used in the field of photocatalyst, solar cell, photodetector due to their excellent photo-absorption ability. So the controlled and large-scale synthesis of one dimensional Si nano-materials becomes the key which affects their applications. In this report, we used a simple chemical vapor deposition (CVD) method to grow large-scale Si nanowires (SiNWs) on molybdenum (Mo) nets substrate. And the characteristics of SiNWs were detailedly analyzed by scanning electron microscope, transmission electron microscope, X-ray diffraction and Raman spectrum. Moreover, the photocatalytic properties of as-grown SiNWs were examined by the photodegradation of Rhodamine B and Methylene Blue under low power ultraviolet (UV) light. In addition, the results show that SiNWs growing on Mo nets substrate have a high photodegration efficient for organic dyes.

Key words: Si nanowires, CVD, Mo nets substrate, photocatalyst

黄奔, 李玄泽, 王磊, 夏静, 朱丹丹, 孟祥敏. 钼网衬底上大面积硅纳米线的制备及其光催化性能研究[J]. 影像科学与光化学, 2016, 34(3): 257-264.

HUANG Ben, LI Xuanze, WANG Lei, XIA Jing, ZHU Dandan, MENG Xiangmin. Large-scale Synthesis of Silicon Nanowires on Molybdenum Nets for High-efficiency Photodegradation[J]. Imaging Science and Photochemistry, 2016, 34(3): 257-264.

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钼网衬底上大面积硅纳米线的制备及其光催化性能研究

Large-scale Synthesis of Silicon Nanowires on Molybdenum Nets for High-efficiency Photodegradation

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