Abstract
Europium doped tantalum oxide (europium-Ta2O5) particles were synthesized with a low temperature hydrothermal method. The electrochemical behaviour of an europium-Ta2O5 film electrode in 0.1 mol dm-3 KCl solution containing 5 mmol dm-3 K3Fe(CN)6 was investigated using cyclic voltgrammetry (CV). The CV results indicated that the europium-Ta2O5 film electrode exhibited good stable and reversible electrochemistry properties. The electrochemical reaction of K3Fe(CN)6 was a diffusion-controlling process on the europium-Ta2O5 film electrode. The europium-Ta2O5 particles might have potential applications in electrochemical fields.
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