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Constructing hierarchical spheres from large ultrathin anatase TiO2 nanosheets with nearly 100% exposed (001) facets for fast reversible lithium storage.

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Constructing hierarchical spheres from large ultrathin anatase TiO2 nanosheets with nearly 100% exposed (001) facets for fast reversible lithium storage.

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dc.contributor.author Chen, Jun Song.
dc.contributor.author Tan, Yi Ling.
dc.contributor.author Li, Chang Ming.
dc.contributor.author Cheah, Yan Ling.
dc.contributor.author Luan, Deyan.
dc.contributor.author Madhavi, Srinivasan.
dc.contributor.author Boey, Yin Chiang Freddy.
dc.contributor.author Archer, Lynden A.
dc.contributor.author Lou, David Xiong Wen.
dc.date.accessioned 2012-07-12T04:48:04Z
dc.date.available 2012-07-12T04:48:04Z
dc.date.copyright 2010
dc.date.issued 2012-07-12
dc.identifier.citation Chen, J. S., Tan, Y. L., Li, C. M., Cheah, Y. L., Luan, D., Madhavi, S., et al. (2010). Constructing Hierarchical Spheres from Large Ultrathin Anatase TiO2 Nanosheets with Nearly 100% Exposed (001) Facets for Fast Reversible Lithium Storage. Journal of the American Chemical Society, 132, 6124-6130.
dc.identifier.uri http://hdl.handle.net/10220/8315
dc.description.abstract Synthesis of nanocrystals with exposed high-energy facets is a well-known challenge in many fields of science and technology. The higher reactivity of these facets simultaneously makes them desirable catalysts for sluggish chemical reactions and leads to their small populations in an equilibrated crystal. Using anatase TiO2 as an example, we demonstrate a facile approach for creating high-surface-area stable nanosheets comprising nearly 100% exposed (001) facets. Our approach relies on spontaneous assembly of the nanosheets into three-dimensional hierarchical spheres, which stabilizes them from collapse. We show that the high surface density of exposed TiO2 (001) facets leads to fast lithium insertion/deinsertion processes in batteries that mimic features seen in high-power electrochemical capacitors.
dc.language.iso en
dc.relation.ispartofseries Journal of the American chemical society
dc.rights © 2010 American Chemical Society.
dc.subject DRNTU::Science::Medicine::Biomedical engineering.
dc.title Constructing hierarchical spheres from large ultrathin anatase TiO2 nanosheets with nearly 100% exposed (001) facets for fast reversible lithium storage.
dc.type Journal Article
dc.contributor.school School of Chemical and Biomedical Engineering
dc.identifier.doi http://dx.doi.org/10.1021/ja100102y

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