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首页> 外文期刊>Advanced Materials >A Localized Surface Plasmon Resonance-Based Multicolor Electrochromic Device with Electrochemically Size- Controlled Silver Nanoparticles
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A Localized Surface Plasmon Resonance-Based Multicolor Electrochromic Device with Electrochemically Size- Controlled Silver Nanoparticles

机译：基于局部表面等离子体共振的多色电致变色器件，其电化学尺寸控制银纳米颗粒。

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摘要

Ag nanoparticles exhibit various optical states based on their localized surface plasmon resonance (LSPR), and thus they have attracted much attention for surface-enhanced Raman scattering, optical sensors, and photovoltaic applications. LSPR bands depend on the size and shape of the nanoparticles, and manipulating these bands can result in dramatic changes in color. In order to use this color variation in display devices, we investigate here the electrochemical size control of Ag nanoparticles using a voltage-step method in which two different voltages (V_1 and V_2) are applied successively. The electrochemically deposited Ag nanoparticles appear red or blue depending on the V_2 voltage application time, and reversible color change between transparent and vivid color states is achieved. Then, we successfully demonstrate the first LS PR-based multicolor electrochromic (EC) device in which reversible control of five optical states - transparent, silver mirror, red, blue, and black - is possible.
机译：Ag纳米颗粒基于其局部表面等离子体共振（LSPR）表现出各种光学状态，因此在表面增强拉曼散射，光学传感器和光伏应用中备受关注。 LSPR谱带取决于纳米粒子的大小和形状，操纵这些谱带会导致颜色发生显着变化。为了在显示设备中使用这种颜色变化，我们在这里研究了使用电压阶跃方法对银纳米粒子的电化学尺寸控制，在该电压阶跃方法中，连续施加两个不同的电压（V_1和V_2）。根据V_2电压施加时间，电化学沉积的Ag纳米颗粒呈现红色或蓝色，并且实现了透明和鲜艳颜色状态之间的可逆颜色变化。然后，我们成功地演示了第一个基于LS PR的多色电致变色（EC）装置，其中可以对五个光学状态（透明，银镜，红色，蓝色和黑色）进行可逆控制。

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  • 来源
    《Advanced Materials》 |2013年第23期|3197-3201|共5页
  • 作者

    Ayako Tsuboi; Kazuki Nakamura; Norihisa Kobayashi;

  • 作者单位

    Department of Image and Materials Science Graduate School of Advanced Integration Science Chiba University 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;

    Department of Image and Materials Science Graduate School of Advanced Integration Science Chiba University 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;

    Department of Image and Materials Science Graduate School of Advanced Integration Science Chiba University 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;

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