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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/104613

    题名: Synthesizing highly conductive cobalt sulfide hydrangea macrophylla using long carbon-chain sulfur source for supercapacitors
    其它题名: 英文
    作者: Jun-Ming Chiu;Lu-Yin Lin;Ping-Hung Yeh;Chun-Yen Lai;Ke Teng;Chao-Chi Tu;Sheng-Sian Yang;Jheng-Fong Yu
    日期: 2015-09-16
    上传时间: 2016-01-06 11:04:49 (UTC+8)
    摘要: Cobalt sulfide has attracted much attention as the electroactive material for the supercapacitor (SC) because of its high capacitance and cost-effective features. A novel three-dimensional cobalt sulfide hydrangea macrophylla nanostructure with a thin carbon layer growing on the surface has been successfully synthesized by using a simple one-pot method with the addition of 1-dodecanethiol as the sulfur source connected with long carbon chains. The cobalt sulfide hydrangea macrophylla architecture is composed of several two-dimensional (2D) nanopetals intertwined together and thin carbon layers surrounding the nanopetals. A high specific capacitance (CF) of 324.17 F g−1 is obtained for the cobalt sulfide hydrangea macrophylla-based SC electrode measured by cyclic voltammetry (CV) at a scan rate of 10 mV s−1, due to the large surface area for charge accumulation and faradic reactions, as well as the high conductivity for charge transportation respectively benefitting from the 2D nanopetals and the carbon layers. The high CF value achieved in this study opens a window to morphology design for realizing highly effective pseudocapacitors.
    關聯: RSC Advance 5, pp.83383-83390
    DOI: 10.1039/C5RA16920H
    显示于类别:[物理學系暨研究所] 期刊論文


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