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Effects of oxidation potential and retention time on electrochromic stability of poly (3-hexyl thiophene) films

机译:氧化电位和保留时间对聚(3-己基噻吩)薄膜电致变色稳定性的影响

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摘要

Herein, we report the effects of applied voltage on the electrochromic (EC) stability of poly(3-hexylthiophene) (P3HT) films during EC reactions. The transmittance difference and cycling stability of these films were monitored to optimize the oxidation voltage, and their chemical compositions were analyzed by X-ray photoelectron spectroscopy after long-term electrochemical cycling. High oxidation voltages increased the color contrast of P3HT films but decreased their cycling stability due to facilitating chemical degradation. Furthermore, at an optimized oxidation voltage, the retention time during potential pulsing was adjusted utilizing the optical memory of P3HT, revealing that the decreased voltage application time reduced power consumption by 9.6% and enhanced EC stability without loss of color contrast. (C) 2018 Elsevier B.V. All rights reserved.
机译:在本文中,我们报告了在EC反应过程中施加的电压对聚(3-己基噻吩)(P3HT)膜的电致变色(EC)稳定性的影响。监测这些膜的透射率差和循环稳定性以优化氧化电压,并在长期电化学循环后通过X射线光电子能谱分析其化学组成。高氧化电压提高了P3HT膜的色彩对比度,但由于促进化学降解而降低了其循环稳定性。此外,在最佳的氧化电压下,利用P3HT的光学存储器调整了电势脉冲期间的保持时间,这表明减少的电压施加时间可将功耗降低9.6%,并增强EC稳定性,而不会损失色彩对比度。 (C)2018 Elsevier B.V.保留所有权利。

著录项

  • 来源
    《Applied Surface Science》 |2018年第1期|78-82|共5页
  • 作者单位

    Korea Univ Technol & Educ, Mat Res Ctr, Interdisciplinary Program Creat Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Sch Energy Mat & Chem Engn, Cheonan 31253, Chungnam, South Korea;

    Korea Univ Technol & Educ, Mat Res Ctr, Interdisciplinary Program Creat Engn, Cheonan 31253, Chungnam, South Korea;

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

    Electrochromism; P3HT; Long-term cyclability; Oxidation potential; Optical memory;

    机译:电致变色P3HT长期循环性氧化电位光学记忆;

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