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首页> 外文期刊>Nanotechnology >Transparent 1T-MoS2 nanofilm robustly anchored on substrate by layer-by-layer self-assembly and its ultra-high cycling stability as supercapacitors
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Transparent 1T-MoS2 nanofilm robustly anchored on substrate by layer-by-layer self-assembly and its ultra-high cycling stability as supercapacitors

机译：透明1T-MOS2纳米丝通过层逐层自组装和其超高循环稳定性作为超级电容器鲁棒地锚定

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摘要

Two-dimensional MoS2 materials have attracted more and more interest and been applied to the field of energy storage because of its unique physical, optical, electronic and electrochemical properties. However, there are no reports on high-stable transparent MoS2 nanofilms as supercapacitors electrode. Here, we describe a transparent 1T-MoS2 nanofilm electrode with super-long stability anchored on the indium tin oxide (ITO) glass by a simple alternate layer-by-layer (LBL) self-assembly of a highly charged cationic poly(diallyldimethylammonium chloride) (PDDA) and negative single-/few-layer 1T MoS2 nanosheets. The ITO/(PDDA/MoS2) 20 electrode shows a transmittance of 51.6% at 550 nm and obviously exhibits excellent transparency by naked eye observation. Ultrasonic damage test validates that the (PDDA/MoS2) 20 film with the average thickness about 50 nm is robustly anchored on ITO substrate. Additionally, the electrochemical results indicate that the ITO/(PDDA/MoS2) 20 film shows areal capacitance of 1.1 mF cm(-2) and volumetric capacitance of 220 F cm(-3) at 0.04mAcm(-2), 130.6% retention of the original capacitance value after 5000 cycles. Further experiments indicate that the formation of transparent (PDDA/MoS2)(x) nanofilm by LBL self-assembly can be extended to other substrates, e.g., slide glass and flexible polyethylene terephthalate (PET). Thus, the easily available (PDDA/MoS2) x nanofilm electrode has great potential for application in transparent and/or flexible optoelectronic and electronics devices.
机译：由于其独特的物理，光学，电子和电化学性能，二维MOS2材料吸引了越来越多的兴趣，并应用于储能领域。然而，在高稳定的透明MOS2纳米型中没有报道作为超级电容器电极。这里，我们描述了一种透明的1T-MOS2纳米丝电极，通过高带阳离子聚（氯化二甲基铵氯化物的简单的替代层（LBL）自组装在氧化铟锡（ITO）玻璃上锚定的超长稳定性。 ）（PDDA）和负单/几层1T MOS2纳米片。 ITO /（PDDA / MOS2）20电极显示550nm的透射率为51.6％，并且明显表现出肉眼观察的优异透明度。超声波损伤试验验证（PDDA / MOS2）20膜具有平均厚度约50nm的薄膜在ITO基板上稳健地锚固。另外，电化学结果表明ITO /（PDDA / MOS2）20薄膜显示为0.04macm（-2）的220 f cm（-3）的1.1mF cm（-2）和体积电容的面积电容，130.6％的保留在5000次循环后的原始电容值。进一步的实验表明，通过LBL自组装形成透明（PDDA / MOS2）（X）纳米丝的形成可以延伸到其他基材，例如滑玻璃和柔性聚对苯二甲酸乙二醇酯（PET）。因此，易于使用的（PDDA / MOS2）X纳米丝电极具有很大的应用在透明和/或柔性光电和电子设备中的应用。

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  • 来源
    《Nanotechnology》 |2017年第39期|共10页
  • 作者

    Li Danqin; Zhou Weiqiang; Zhou Qianjie; Ye Guo; Wang Tongzhou; Wu Jing; Chang Yanan; Xu Jingkun;

  • 作者单位

    Jiangxi Sci &

    Technol Normal Univ Sch Pharm Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Jiangxi Engn Lab Waterborne Coatings Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Jiangxi Engn Lab Waterborne Coatings Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Sch Pharm Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Jiangxi Engn Lab Waterborne Coatings Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Jiangxi Engn Lab Waterborne Coatings Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Jiangxi Engn Lab Waterborne Coatings Nanchang 330013 Jiangxi Peoples R China;

    Jiangxi Sci &

    Technol Normal Univ Sch Pharm Nanchang 330013 Jiangxi Peoples R China;

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  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    layer-by-layer self-assembly; PDDA; 1T-MoS2; superior cycling stability; transparent nanofilm electrode;

    机译：逐层自组装;PDDA;1T-MOS2;优异的循环稳定性;透明纳米丝电极;

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