以微米構形薄膜製備互補式電致變色元件及其性質研究

On the Performances of Complementary Electrochromic Devices using Micropatterned Electrochromic Films

劉湘渝(Siang-Yu Liou)

指導教授 ： 林正嵐

淡江大學/工學院/化學工程與材料工程學系碩士班/碩士(2022年)

https://doi.org/10.6846/TKU.2022.00654

摘要

本研究使用靜電場輔助恆電位電鍍法製備具微米構形(micropattern)之普魯士藍(prussian blue, PB)與聚(3,4-乙烯二氧噻吩) (Poly(3,4-ethylenedioxythiophene), PEDOT)電致變色薄膜，以其為電極組裝成四種互補式電致變色元件(electrochromic device, ECDs)。根據循環伏安法(cyclic voltammetry)、紫外光-可見光吸收光譜和雙階梯電位法(double-potential-step)之實驗結果，使用微米構形薄膜之ECDs，可以有效提高電致變色性能。其中以兩邊都為微米構形之薄膜，並使用固態電解質組裝成之ECDs，具有較好的電致變色性質與穩定性，在不損失光學對比度(T)的情況下，有更快的著色(0.42 s)與去色(6.69 s)時間，與一般ECDs相比，分別縮短了約29%與11%的應答時間，並且證明經過10,000次以上循環後，ECDs沒有嚴重的降解或不可逆的副反應。

關鍵字

互補式電致變色元件 ； 微米構形薄膜 ； 普魯士藍 ； 聚(3,4-乙烯二氧噻吩) ； 電鍍

並列摘要

In this study, micropatterned Prussian blue and (Poly(3,4-ethylenedioxythiophene) films were prepared by electrostatic field-assisted potentiostatic deposition, and complementary electrochromic devices were assembled using these thin films.. According to the experimental results of cyclic voltammetry, UV-Vis absorption spectroscopy and double-potential-step, ECDs using micropatterned films, which can effectively improve the electrochromic performance. The ECDs assembled with thin-film electrodes with micropattern on both sides and using solid electrolytes have good electrochromic properties and stability. Faster coloring (0.42 s)/bleaching (6.69 s) times without loss of optical contrast (T), and about 29%/11% shorter response times, respectively, compared to general ECDs. Repeated switching of the ECDs over 10,000 cycles, without great degradation or irreversible side reactions.

並列關鍵字

Complementary electrochromic devices ； Micropatterned films ； Prussian blue ； Poly(3,4-ethylenedioxythiophene) ； Electrodeposition

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