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Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties

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Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties

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dc.contributor.author Chen, Jun Song
dc.contributor.author Zhu, Ting
dc.contributor.author Yang, Xiao Hua
dc.contributor.author Yang, Hua Gui
dc.contributor.author Lou, David Xiong Wen
dc.date.accessioned 2012-05-22T08:05:48Z
dc.date.available 2012-05-22T08:05:48Z
dc.date.copyright 2010
dc.date.issued 2012-05-22
dc.identifier.citation Chen, J. S., Zhu, T., Yang, X. H., Yang, H. G. & Lou, X. W. (2010). Top-Down Fabrication of α-Fe2O3 Single-Crystal Nanodiscs and Microparticles with Tunable Porosity for Largely Improved Lithium Storage Properties. Journal of the American Chemical Society, 132 (38), 13162–13164.
dc.identifier.uri http://hdl.handle.net/10220/8113
dc.description.abstract In this work, we report a facile top-down approach to fabricate uniform single-crystal α-Fe2O3 nanodiscs via selective oxalic acid etching. Phosphate ions are employed as a capping agent to control the etching to along the [001] direction. We also show that α-Fe2O3 melon-like microparticles with contrasting textural properties can be generated using the same approach. The etched particles exhibit a much larger total pore volume and average pore size compared to the pristine ones, thus serving as the possible origin for their greatly enhanced capacity retention when tested as potential anode materials for lithium-ion batteries.
dc.language.iso en
dc.relation.ispartofseries Journal of the American chemical society
dc.rights © 2010 American Chemical Society.
dc.subject DRNTU::Engineering::Chemical engineering::Biochemical engineering
dc.title Top-down fabrication of α-Fe2O3 single-crystal nanodiscs and microparticles with tunable porosity for largely improved lithium storage properties
dc.type Journal Article
dc.contributor.school School of Chemical and Biomedical Engineering
dc.identifier.doi http://dx.doi.org/10.1021/ja1060438

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