Synthesis and electrochemical properties of TiO2/nanodiamond nanocomposite
作者： L.Y. Bian , Y.H. Wang , J. Lu , J.B. Zang
DOI: 10.1016/J.DIAMOND.2010.05.007
关键词: Chemical engineering 、 Inorganic chemistry 、 Titanium 、 Nanodiamond 、 Nanoparticle 、 Materials science 、 Electrode 、 Anatase 、 Nanocomposite 、 Electrochemistry 、 Chemical vapor deposition
摘要: Abstract Undoped nanodiamond (ND) powders were coated with TiO 2 through two steps: firstly Ti lay was deposited by cycled vacuum-feeding chemical vapour deposition from gaseous TiCl 4 /H , and secondly an oxidation treatment carried out in air. The structure the morphology of /ND composite characterized Raman spectrum transmission electron microscopy. electrochemical properties powder electrode a solution containing [Fe(CN) 6 ] 3−/4 − or NO investigated. results showed that continuous coating consisting nanoparticles covered on ND particle after deposition. following at 500 °C resulted formation anatase phase about 10 nm. confirmed exhibited higher activity than pristine electrode, especially catalytic ability toward nitrite anions. Moreover, presented fast response towards detection limit 0.55 µM linear range 0.05 to 1.0 mM.
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