Optical and Electrical Properties of TiO 2 Nanotubes Grown by Titanium Anodization
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1178-AA09-27
Optical and Electrical Properties of TiO2 Nanotubes Grown by Titanium Anodization Yahya Alivov1, Vladimir Kuryatkov1, Mahesh Pandikunta1, Gautam Rajanna1, D. Johnstone2, Ayrton Bernussi1, Sergey Nikishin1, and Z. Y. Fan1 1
Nano Tech Center and Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, TX, 79409 2 SEMETROL, Chesterfield, VA, 23838 ABSTRACT In this work we investigated the structural, electrical, and optical properties of titanium dioxide (TiO2) nanotubes (NTs) formed by electrochemical anodization of Ti metal sheets in NH4F+glycerol electrolyte at different anodization voltages (Va) and acid concentrations. Our results revealed that TiO2 NTs can be grown in a wide range of anodization voltages from 10 V to 240 V. The maximum NH4F acid concentration, at which NTs can be formed, decreases with the anodization voltage, which is 0.7% for Va
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