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Electrochromic properties of WO_3 thin film onto gold nanoparticles modified indium tin oxide electrodes

机译：金纳米粒子修饰的铟锡氧化物电极上WO_3薄膜的电致变色性能

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摘要

Gold nanoparticles (GNPs) thin films, electrochemically deposited from hydrogen tetrachloroaurate onto transparent indium tin oxide (ITO) thin film coated glass, have different color prepared by variation of the deposition condition. The color of GNP film can vary from pale red to blue due to different particle size and their interaction. The characteristic of GNPs modified ITO electrodes was studied by UV-vis spectroscopy, scanning electron microscope (SEM) images and cyclic voltammetry. WO_3 thin films were fabricated by sol-gel method onto the surface of GNPs modified electrode to form the WO_3/GNPS composite films. The electrochromic properties of WO_3/GNPS composite modified ITO electrode were investigated by UV-vis spectroscopy and cyclic voltammetry. It was found that the electrochromic performance of WO_3/GNPS composite films was improved in comparison with a single component system of WO_3.
机译：从四氯金酸氢盐电化学沉积到透明的铟锡氧化物（ITO）薄膜涂覆的玻璃上的金纳米颗粒（GNP）薄膜具有通过改变沉积条件而制备的不同颜色。由于不同的粒径及其相互作用，GNP膜的颜色可以从浅红色变为蓝色。通过紫外可见光谱，扫描电子显微镜（SEM）图像和循环伏安法研究了GNPs修饰的ITO电极的特性。通过溶胶-凝胶法在GNP修饰电极表面制备WO_3薄膜，形成WO_3 / GNPS复合膜。通过紫外可见光谱和循环伏安法研究了WO_3 / GNPS复合修饰ITO电极的电致变色性能。发现与WO_3的单组分体系相比，WO_3 / GNPS复合膜的电致变色性能得到改善。

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  • 来源
    《Applied Surface Science》 |2011年第13期|p.5903-5907|共5页
  • 作者

    Jiajia Deng; Ming Gu; Junwei Di;

  • 作者单位

    College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou Industrial Park, Suzhou, Jiangsu 215123, PR China;

    College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou Industrial Park, Suzhou, Jiangsu 215123, PR China;

    College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou Industrial Park, Suzhou, Jiangsu 215123, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    tungsten oxide; electrochromic; gold nanoparticles; electrodeposition;

    机译：氧化钨;电致变色;金纳米粒子;电沉积;

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