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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/96847


    Title: Gold nanodumbbell-seeded growth of silver nanobars and nanobipyramids
    Authors: Deng, Jin-Pei;Chen, Chih-Wei;Hsieh, Wei-Chi;Wang, Chao-Hsien;Hsu, Cheng-Yung;Lin, Jyun-Hao
    Contributors: 淡江大學化學學系
    Keywords: gold nanodumbbell;core-shell nanoparticle;nanobar;nanobipyramid
    Date: 2014-03-18
    Issue Date: 2014-03-13 17:33:13 (UTC+8)
    Publisher: Amsterdam: Elsevier BV
    Abstract: Gold nanodumbbells (NDs) are prepared by the reduction of gold ions in the presence of gold nanorods. Gold NDs are then employed for the synthesis of gold–silver core–shell nanoparticles (Au@Ag NPs). The quasi-ellipsoidal NPs could be found at room temperature, but Au@Ag bar and triangular bipyramid (TBP) NPs were obtained at 75 °C. Our results show that the long ends of gold NDs are in the position of the bar center and closely paralleled the shorter edge of TBP. Mechanisms in the growth of silver on gold NDs are proposed for the formations of these Au@Ag NPs.
    Relation: Chemical Physics Letters 595–596, pp.127–132
    DOI: 10.1016/j.cplett.2014.01.058
    Appears in Collections:[化學學系暨研究所] 期刊論文

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