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|Title:||K-enriched MoO 3 nanobundles: A layered structure with high electric conductivity||Authors:||Hu, Z.
|Issue Date:||16-Feb-2012||Citation:||Hu, Z., Zhou, C., Zheng, M., Lu, J., Varghese, B., Cheng, H., Sow, C.-H. (2012-02-16). K-enriched MoO 3 nanobundles: A layered structure with high electric conductivity. Journal of Physical Chemistry C 116 (6) : 3962-3967. ScholarBank@NUS Repository. https://doi.org/10.1021/jp211079b||Abstract:||We present a surprisingly simple procedure to synthesize potassium-intercalated MoO 3 nanobundles with the integrity of the layered structure remaining intact. While the material displays semiconductor-like behavior, dramatic enhancement of the electric conductivity from 10 -6 S m -1 of MoO 3 to 24 S m -1 upon potassium uptake was observed. Density functional theory calculations were performed to assist in structural determination and to elucidate the electronic property of the nanobundles. It was found that the K atoms occupy the oxygen vacancy sites in the lattice. The ionization of the K atoms gives rise to the reduction of the adjacent Mo atoms, leading to electron population in the conduction band. © 2011 American Chemical Society.||Source Title:||Journal of Physical Chemistry C||URI:||http://scholarbank.nus.edu.sg/handle/10635/97016||ISSN:||19327447||DOI:||10.1021/jp211079b|
|Appears in Collections:||Staff Publications|
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