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Title: Fast synthesis of α-MoO3 nanorods with controlled aspect ratios and their enhanced lithium storage capabilities
Authors: Chen, Jun Song
Cheah, Yan Ling
Madhavi, Srinivasan
Lou, David Xiong Wen
Keywords: DRNTU::Engineering::Materials
Issue Date: 2010
Source: Chen, J. S., Cheah, Y. L., Madhavi, S., & Lou, D. X. W. (2010). Fast Synthesis of α-MoO3 Nanorods with Controlled Aspect Ratios and Their Enhanced Lithium Storage Capabilities. The Journal of Physical Chemistry C, 114(18), 8675-8678.
Series/Report no.: The journal of physical chemistry C
Abstract: Uniform α-MoO3 nanorods are synthesized with controlled aspect ratios through a fast hydrothermal route. The control over the aspect ratio of these as-prepared nanorods is realized by applying different reaction times of 2−20 h. Specifically, the nanorods prepared with a reaction time of 2 h are, on average, much shorter in length and slightly smaller in width compared with those obtained with a longer reaction time of 20 h. The products are thoroughly characterized by FESEM/TEM/XRD/BET techniques. The electrochemical properties of the samples are analyzed using cyclic voltammetry and charge−discharge cycling. These studies reveal that the as-prepared nanorods with a smaller aspect ratio exhibit a higher initial discharge capacity, a lower irreversible loss, and better rate behavior at different charge−discharge rates. When compared to α-MoO3 submicrometer particles prepared through direct thermal decomposition, these as-prepared nanorods show much better lihtium storage properties, demonstrating that enhanced physical and/or chemical properties can be obained from proper nanostructuring of the material.
DOI: 10.1021/jp1017482
Rights: © 2010 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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