This paper reports a study on the template-based growth and electrochromic properties of single-crystal vanadium pentoxide nanorod arrays by sol electrophoretic deposition. The formation of single-crystal vanadium pentoxide nanorods is attributed to the homoepitaxial aggregation of nanoparticles. Nanorod arrays have demonstrated significantly enhanced electrochromic properties; both the larger change of transmittance intensity and more rapid response upon applying external electric field are attributed to the large surface to volume ratio and improved transport kinetics for electrochemical intercalation.

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