期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 13, 期 8, 页码 5597-5600出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2013.7035
关键词
Photocatalytic; TiO2 Nanotube; Ag Nanoparticle; Phase Transition; Crystal Structure
类别
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [20120003115]
- National Research Foundation of Korea [2010-0013709] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
TiO2 nanotubes formed on the surface of commercially pure titanium were prepared by anodizing processing and were then heat-treated. The silver doping was processed with different molar concentration of AgNO3 aqueous solution. The silver-doped TiO2 nanotubes were characterized using field emission scanning electron microscopy, ultraviolet visible near-infrared spectrophotometer and ampere-volts (I-V) curve system. The 20-100 nm Ag nanoparticles were well doped atop, inside, and between the nanotubes. The I-V curve of the TiO2 nanotubes increased with heat treatment temperature. The silver-doped,TiO2 nanotubes with anatase plus rutile phases had better photocatalytic activity.
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