TiO2纳米管负载纳米金的制备及其在紫外光下的光电性能

doi:10.3724/SP.J.1077.2010.09777

无机材料学报 ›› 2010, Vol. 25 ›› Issue (5): 557-560.DOI: 10.3724/SP.J.1077.2010.09777 CSTR: 32189.14.SP.J.1077.2010.09777

• 研究快报 • 上一篇

TiO₂纳米管负载纳米金的制备及其在紫外光下的光电性能

罗军，廖斌，陈一鸣，刘安东，刘培生

射线束技术与材料改性教育部重点实验室，北京师范大学核科学与技术学院，北京 100875

收稿日期:2009-11-10 修回日期:2009-12-21 出版日期:2010-05-20 网络出版日期:2010-05-12

Development of Titania Nanotubes Loaded with Au Nanoparticles and their Opto-electronic Response under UV Light

LUO Jun, LIAO Bin, CHEN Yi-Ming, LIU An-Dong, LIU Pei-Sheng

Key Laboratory of Radiation Beam Technology and Material Modification of Ministry of Education, Department of Materials Science & Engineering, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China

Received:2009-11-10 Revised:2009-12-21 Published:2010-05-20 Online:2010-05-12

摘要/Abstract

摘要：

利用直流磁控溅射法制备纳米金颗粒表面改性TiO₂纳米管，并通过XRD，FESEM对其结构进行表征.在紫外光下测试其光电效应，结果发现在定电位和动电位下，纳米金改性后的TiO₂纳米管产生的光电流都要比未改性的TiO₂纳米管大.在定电位下（1.0V），Au/TiO₂纳米管产生的光电流为0.4mA，是TiO₂纳米管的1.8倍.在动电位下（-1.5~1.5V），当电位达1.5V时,Au/TiO₂纳米管产生的光电流为0.75mA，是TiO₂纳米管的3.75倍.

关键词: TiO₂纳米管, 直流磁控溅射, 光电流

Abstract:

Au nanoparticles surfacemodified titania nanotubes were produced by direct current (DC) magnetic sputtering technology. The morphology of the nanotubes was characterized by X-ray diffractometry (XRD) and field emission scanning electron microscope (FESEM). Opto-electronic properties were tested under UV light. Comparing with original titania nanotubes, Au/TiO₂ nanotubes can generate the photocurrent with great improvements in constant potential and dynamic potential. At constant potential (1.0V) test under UV light, the photovoltaic current generated by Au/TiO₂ is 0.4mA, 1.8-fold of original nanotubes’. While at dynamic photocurrent (-1.5V to 1.5V) test, the photocurrent has reached 0.75mA, which is 3.75-fold of that for original nanobubes under the scan voltage of 1.5V.

Key words: titania nanotubes, DC magnetic sputtering, photocurrent

中图分类号:

O644

罗军，廖斌，陈一鸣，刘安东，刘培生. TiO₂纳米管负载纳米金的制备及其在紫外光下的光电性能[J]. 无机材料学报, 2010, 25(5): 557-560.

LUO Jun, LIAO Bin, CHEN Yi-Ming, LIU An-Dong, LIU Pei-Sheng. Development of Titania Nanotubes Loaded with Au Nanoparticles and their Opto-electronic Response under UV Light[J]. Journal of Inorganic Materials, 2010, 25(5): 557-560.

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TiO₂纳米管负载纳米金的制备及其在紫外光下的光电性能

Development of Titania Nanotubes Loaded with Au Nanoparticles and their Opto-electronic Response under UV Light

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