Nano Express

Nanoscale Research Letters

, Volume 5, Issue 4, pp 735-740

Open Access This content is freely available online to anyone, anywhere at any time.

Morphological and Electrochemical Properties of Crystalline Praseodymium Oxide Nanorods

  • M. Shamshi HassanAffiliated withSchool of Semiconductor and Chemical Engineering and Solar Energy Research Center, Chonbuk National University
  • , M. Shaheer AkhtarAffiliated withSchool of Semiconductor and Chemical Engineering and Solar Energy Research Center, Chonbuk National University
  • , Kyung-Bo ShimAffiliated withSchool of Semiconductor and Chemical Engineering and Solar Energy Research Center, Chonbuk National University
  • , O-Bong YangAffiliated withSchool of Semiconductor and Chemical Engineering and Solar Energy Research Center, Chonbuk National University Email author 

Abstract

Highly crystalline Pr6O11 nanorods were prepared by a simple precipitation method of triethylamine complex at 500°C. Synthesized Pr6O11 nanorods were uniformly grown with the diameter of 12–15 nm and the length of 100–150 nm without any impurities of unstable PrO2 phase. The Pr6O11 nanorod electrodes attained a high electrical conductivity of 0.954 Scm−1 with low activation energy of 0.594 eV at 850°C. The electrochemical impedance study showed that the resistance of electrode was significantly decreased at high temperature, which resulted from its high conductivity and low activation energy. The reduced impedance and high electrical conductivity of Pr6O11 nanorod electrodes are attributed to the reduction of grain boundaries and high space charge width.

Keywords

Praseodymium oxide Nanorods Impedance spectroscopy Electrochemical property