Abstract
The aim of the present study is to survey the influence of additive Eu on the synthesis and properties of VO2 (B). Eu-doped VO2 (B) nanocrystal was directly synthesized through a facile one-step hydrothermal route for the first time at 200°C for 24h. The samples are characterized by XRD, SEM, TEM, DSC, and EIS. It is firstly indicated that a paradoxical contraction phenomenon exists in Eu-doped VO2 (B) nanomaterials in range from 20°C to 35°C. The resistance values of VO2 (B) nanocrystal can be reduced with the increase of test temperature or via Eu3+ doping process. So the Eu-doped VO2 (B) has the potential application in lithium ion battery.
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