金世奇,文尚胜,李牧云,陈延威,王皓罡,蒋世杰.基于光固化的全固态电致变色器件制备与性能[J].表面技术,2020,49(7):98-104.
JIN Shi-qi,WEN Shang-sheng,LI Mu-yun,CHEN Yan-wei,WANG Hao-gang,JIANG Shi-jie.Fabrication and Performance of All-solid State Electrochromic Devices Based on Light Curing[J].Surface Technology,2020,49(7):98-104 |
| 基于光固化的全固态电致变色器件制备与性能 |
| Fabrication and Performance of All-solid State Electrochromic Devices Based on Light Curing |
| 投稿时间：2019-11-01 修订日期：2020-07-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2020.07.012 |
| 中文关键词: 电致变色 三氧化钨 光固化树脂 光透过率 响应时间 聚乙二醇400 |
| 英文关键词:electrochromism WO3 UV-cured resin transmissivity response time polyethylene glycol 400 |
| 基金项目:广东省科技计划项目（2017B010114001，2015B010127004）；广东省应用型科技研发专项（2015B010134001）；广州市科技计划项目（201604040004，201604016010，201704030140）；广东省扬帆计划（2015YT02C093）；中山市科技计划项目（2016A1009，2017C1011，2018A10013） |
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| Author | Institution |
| JIN Shi-qi | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
| WEN Shang-sheng | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
| LI Mu-yun | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
| CHEN Yan-wei | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
| WANG Hao-gang | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
| JIANG Shi-jie | State Key Laboratory of Luminescence Materials and Devices, South China University of Technology, Guangzhou 510640, China |
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| 中文摘要: |
| 目的 使用聚乙二醇400（Polyethylene Glycol 400，PEG400）掺杂直接将光固化树脂溶于电解液，并通过光固化先液后固制备全固态电解质。方法 使用溶胶-凝胶法制备掺杂了聚乙二醇400的WO3薄膜，用高氯酸锂粉末、聚碳酸酯（Polycarbonate，PC）、聚甲基丙烯酸甲酯（Polymethyl Methacrylate，PMMA）粉末和光固化树脂（UV-cured resin）配制了凝胶态的电解液。采用毛细封装法对制得的WO3薄膜进行光固化封装。对制得的电致变色器件进行循环响应时间、光透过率和记忆效应测试，使用扫描电子显微镜对薄膜表面形貌进行分析。结果 掺杂了聚乙二醇400的WO3薄膜表面裂痕明显减少，平均粗糙度为3 nm，疏松孔隙结构较多，制得的电致变色器件完全着色时只需要0.5 s，而未掺杂PEG400制得的电致变色器件完全着色需要4 s，掺杂了PEG400制得的器件完褪色需要0.5 s，而未掺杂的器件需要1.5 s，且掺杂组比未掺杂组的光调制幅度要高出20%，记忆效应也要更好。结论 掺杂PEG400可以使WO3薄膜表面更加均匀，有效地提升了光调制幅度和降低了循环响应时间，记忆效应也有明显的提升。同时，利用光固化技术制备全固态电致变色器件，制备工艺简单，且易于保存。 |
| 英文摘要: |
| The work aims to improve the performance of the electrolyte by polyethylene glycol 400 and dissolve the UV-cured resin in the electrolyte to prepare all solid state electrolyte by UV cure in view of that WO3 electrochromic thin films prepared by sol-gel rotary coating have many cracks on the surface and long cycle response time after annealing and encapsulation with liquid electrolyte has the disadvantages of difficult operation and easy leakage. WO3 thin films doped with polyethylene glycol 400 were prepared by sol-gel method. The gelatinous electrolyte was prepared with lithium perchlorate powder, polycarbonate, polymethyl methacrylate powder and UV-cured resin. The WO3 thin films were sealed and cured by capillary encapsulation. The response time, light transmittance and memory effect of the prepared electrochromic device were tested, and the surface morphology of the film was analyzed with scanning electron microscope. The surface cracks of WO3 thin films doped with polyethylene glycol 400 were obviously reduced, and the average roughness was 3 nm with more loose pores. It only took 0.5 s to achieve the complete coloring effect of the undoped group for the prepared electrochromic device, while the complete coloring of electrochromic devices made by not doping PEG400 required 4 s. It took 0.5 s for the electrochromic devices prepared by doping PEG400 to fade, while the complete fading of electrochromic devices made by not doping PEG400 required 1.5 s. The optical modulation amplitude of the doping group was 20% higher than that of the undoped group, and the memory effect was also better. Doping PEG400 can make the surface of WO3 thin films more uniform, effectively increase the optical modulation amplitude and reduce the cyclic response time, and the memory effect is also obviously improved. At the same time, the preparation of all-solid-state electrochromic devices by UV curing technology is simple and easy to save. |
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