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柔性襯底WOx-Mo薄膜電致變色性能研究
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國家自然科學(xué)基金(50601005)


Electrochromic Properties of WOx-Mo Thin Films on Polyethylene Terephthalates Soft Substrate
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    摘要:

    采用射頻磁控濺射工藝，在鍍有ITO薄膜的柔性PET襯底上低溫制備WOx-Mo薄膜，利用電化學(xué)工作站測試薄膜的循環(huán)伏安曲線和計(jì)時(shí)電流曲線來分析薄膜的電致變色性能。結(jié)果表明：隨Mo摻雜量的增加，薄膜的氧化峰峰位往電壓正方向移動(dòng)，并且氧化峰電流峰值增加，薄膜著色響應(yīng)時(shí)間縮短，退色時(shí)間延長。當(dāng)Mo摻雜量為15.4%時(shí)，著色時(shí)間最短達(dá)到4.53 s，退色時(shí)間最長達(dá)到9.8 s。薄膜的可逆性與電荷在薄膜中的滯留量有關(guān)，在Mo摻雜量為7.6%時(shí)，薄膜可逆性最好，達(dá)到51.2%左右，電荷滯留量為2.4E-3C

    Abstract:

    WOx-Mo thin films have been deposited on the ITO/PET substrates by RF magnetron sputtering. The electrochromic properties of films were investigated by cyclic voltammetry (C-V) and chronoamperometry (CA) methods. It is found that the maximum of oxidation current increases and the oxidation peaks move to plus potential with increasing Mo doping concentration. Furthermore, the coloring response time decreases and the bleaching response time increases with increasing Mo doping concentration in the experimental range. For the film doped 15.4% Mo, the oxidation current reaches the maximum and the coloring response time is 4.53 s, the bleaching response time is 9.8 s. Not all the samples exhibit good reversibility due to the charge left in the film. The best reversibility is 51.2 % in the WOx film doped 7.6% Mo

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范 蕓,唐 武,翁小龍,鄧龍江.柔性襯底WOx-Mo薄膜電致變色性能研究[J].稀有金屬材料與工程,2009,38(9):1570~1574.[Fan Yun, Tang Wu, Weng Xiaolong, Deng Longjiang. Electrochromic Properties of WOx-Mo Thin Films on Polyethylene Terephthalates Soft Substrate[J]. Rare Metal Materials and Engineering,2009,38(9):1570~1574.]
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  • 收稿日期:2008-09-05
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