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所属单位：材料科学与技术学院

发表刊物：Opt Mater

摘要：Titanium dioxide (TiO2) film and hybrid electrolyte are prepared via sol-gel method to fabricate solid-state electrochromic device (ECD). Electrochromic performance of the ECD has been studied in the near-infrared region. By optimizing the supplied pulse voltages and TiO2 film thickness, the high coloration efficiency (79.4 cm2/C at 1000 nm) has been obtained for the ECD under the pulse voltages of ±1.6 V. Additionally, the switch time of 16.1 s and 2.8 s is respectively achieved for coloring and bleaching at −1.6 and + 1.6 V. The fast switching speed between bleached and colored states results from the porous structure of solution-based TiO2 film that improves the Li+ ions release/insert. Stable current-cycle behavior has been achieved by cyclic tests with alternating pulse voltages within 2 × 104 s, which indicates excellent reversible stability in the ECD. © 2019 Elsevier B.V.

ISSN号：0925-3467

是否译文：否

发表时间：2019-03-01

合写作者：Zhang, Bo,Xu, Chen,徐诚,徐国跃,谭淑娟,Zhang, Jianchao

通讯作者：Zhang, Bo,王长波