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Fabrication of core−shell structure of M@C (M=Se, Au, Ag2Se) and transformation to yolk−shell structure by electron beam irradiation or vacuum annealing.

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Fabrication of core−shell structure of M@C (M=Se, Au, Ag2Se) and transformation to yolk−shell structure by electron beam irradiation or vacuum annealing.

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dc.contributor.author Zhu, Jixin.
dc.contributor.author Sun, Ting.
dc.contributor.author Hng, Huey Hoon.
dc.contributor.author Ma, Jan.
dc.contributor.author Boey, Yin Chiang Freddy.
dc.contributor.author Lou, David Xiong Wen.
dc.contributor.author Zhang, Hua.
dc.contributor.author Xue, Can.
dc.contributor.author Chen, Hongyu.
dc.contributor.author Yan, Qingyu.
dc.date.accessioned 2012-07-12T07:58:31Z
dc.date.available 2012-07-12T07:58:31Z
dc.date.copyright 2009
dc.date.issued 2012-07-12
dc.identifier.citation Zhu, J., Sun, T., Hng, H. H., Ma, J., Boey, F. Y. C., Lou, D. X. W., et al. (2009). Fabrication of Core−Shell Structure of M@C (M=Se, Au, Ag2Se) and Transformation to Yolk−Shell Structure by Electron Beam Irradiation or Vacuum Annealing. Chemistry of Materials, 21(16), 3848-3852.
dc.identifier.uri http://hdl.handle.net/10220/8319
dc.description.abstract Selenium @ carbon core−shell spheres have been synthesized via a simple one-step hydrothermal carbonization process using sucrose and sodium selenite as precursors. Metal selenide or noble metal, e.g. Ag2Se or Au, can be easily encapsulated into the carbon shell by using the as-prepared Se@C core−shell samples as site templates. The transformation from core/shell to yolk/shell structure, e.g. Se@C, Au/Se@C and Ag2Se@C, can be achieved through thermal evaporation under electron beam irradiation or vacuum annealing to evaporate Se. The optical absorption of the samples can be tuned by varying the structure/compositions of the samples.
dc.language.iso en
dc.relation.ispartofseries Chemistry of materials
dc.rights © 2009 American Chemical Society.
dc.subject DRNTU::Engineering::Materials::Metallic materials.
dc.title Fabrication of core−shell structure of M@C (M=Se, Au, Ag2Se) and transformation to yolk−shell structure by electron beam irradiation or vacuum annealing.
dc.type Journal Article
dc.contributor.school School of Chemical and Biomedical Engineering
dc.identifier.doi http://dx.doi.org/10.1021/cm9013943

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