Preparation and Electrochromic Property of SiO2@PANI Photonic Crystals

Fei-yue Liang; Xin Li; Ning Zhao; Jian Xu

doi:10.3724/SP.J.1105.2014.13430

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Preparation and Electrochromic Property of SiO2@PANI Photonic Crystals

Research Bulletin | 更新时间：2021-03-19

- Preparation and Electrochromic Property of SiO2@PANI Photonic Crystals
- Acta Polymerica Sinica Issue 6, Pages: 860-864(2014)
- 作者机构：
  
  1. 北京服装学院材料科学与工程学院服装材料研究开发与评价北京市重点实验室,北京,100029
  2. 中国科学院化学研究所,北京,100190
- 作者简介：
- 基金信息：
- DOI：10.3724/SP.J.1105.2014.13430
  CLC：
- Published：20 June 2014，
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Fei-yue Liang, Xin Li, Ning Zhao, Jian Xu. Preparation and Electrochromic Property of SiO2@PANI Photonic Crystals. [J]. Acta Polymerica Sinica (6):860-864(2014)
DOI：

Fei-yue Liang, Xin Li, Ning Zhao, Jian Xu. Preparation and Electrochromic Property of SiO2@PANI Photonic Crystals. [J]. Acta Polymerica Sinica (6):860-864(2014) DOI： 10.3724/SP.J.1105.2014.13430.

摘要

应用Stber法合成单分散SiO2微球，通过垂直沉积自组装光子晶体，由电化学法在所组装的SiO2微球表面生成聚苯胺（PANI），得到了核-壳结构SiO2@PANI光子晶体薄膜. 测试了SiO2@PANI光子晶体薄膜的循环伏安曲线、多电位紫外吸收光谱、对比度、响应时间等电致变色性能，结果表明，该光子晶体薄膜在变色时颜色亮丽，其最大对比度可达77%，远高于单纯PANI薄膜的43%，同时响应时间变快. 初步实验结果说明将光子晶体结构引入导电聚合物中，能够提高其电致变色性能.

Abstract

Monodisperse silica particles were prepared by the modified Stber method

and the SiO2 opal film was obtained by a vertical deposition self-assembly method.Polyaniline was infiltrated into the SiO2 opal template via electrochemical methods

so as to fabricate core-shell structured SiO2@PANI photonic crystal films.The electrochromic properties

contrast and response time of the SiO2@PANI film were characterized via cycle voltammograms and spectroelectrochemistry.It was found that the color of the SiO2@PANI film was bright and vibrant with a maximal contrast of 77%

which was superior to that of the pure PANI film (43%)

and its response speed was faster.It is an effective method to improve the electrochromic performances of conducting polymers by introducing the photonic crystal structures.

关键词

光子晶体二氧化硅微球聚苯胺电致变色

Keywords

Photonic crystalSilica microspheresPolyanilineElectrochromism

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The Institute of Molecular Science, Key Laboratory of Shanxi Province for Energy Conversion and Storage Materials

School of Logistics, Beijing Wuzi University

School of Physics and Nuclear Energy Engineering, Beihang University

College of Chemistry and Molecular Engineering, Peking University

College of Chemistry and Chemical Engineering, Chongqing University

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