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    National Tsing Hua University Institutional Repository > 工學院  > 材料科學工程學系 > 期刊論文 >  Beaklike SnO2 nanorods with strong photoluminescent and field-emission properties


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/52503


    Title: Beaklike SnO2 nanorods with strong photoluminescent and field-emission properties
    Authors: He JH;Wu TH;Hsin CL;Li KM;Chen LJ;Chueh YL;Chou LJ;Wang ZL
    教師: 周立人
    Date: 2006
    Publisher: John Wiley & Sons
    Relation: SMALL, 2, No. 1, 116-120, (2006)
    Keywords: OXIDE NANOWIRES
    SEMICONDUCTING OXIDES
    ELECTRON-EMISSION
    TIN OXIDE
    NANOBELTS
    SURFACES
    GROWTH
    EMITTERS
    FILMS
    Abstract: Beaklike SnO2 nanorods were synthesized by a vapor-liquid-solid approach using Au as a catalyst. The nanorods grow along the [10 (1) over bar] direction and the beak is formed by switching the growth direction to [1 (1) over bar(2) over bar] through controlling the growth conditions at the end of the synthesis. The photoluminescence (PL) spectrum of the nanorods exhibits visible light emission with a peak at 602 nm. The field-emission (FE) properties of the nanorods have been measured to exhibit a turn-on field of 5.8 V mu m(-1). A comparative study of FE measurements between SnO2 nanorods with uniform diameters and these beaklike nanorods suggests that the shape and curved tips are important factors in determining the FE properties.
    URI: http://www.ncbi.nlm.nih.gov/pubmed/17193566
    http://www.wiley.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/52503
    Appears in Collections:[材料科學工程學系] 期刊論文

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