Synthesis and electrochromic properties of crystalline 3D urchin-like nanostructures

摘要：

　　Novel 3D (three-dimensional) urchin-like WO2.72 nanostructures were prepared by a template-free hydrothermal synthetic route using W(CO)6 and ethyl alcohol reagents.The detailed morphology and crystallinity were dependant on the synthesis temperature and synthesis time.The potential use of WO2.72 nanourchins as a cathode electrode for electrochromic devices was assessed.The WO2.72 electrochromic films exhibited a rapid switching response time (coloring time ~5 s,bleaching time ~1.6 s),outstanding high coloration efficiency (~116 cm2/C),and durability in an acidic electrolyte.This performance was attributed to the high diffusion coefficient ~6.43×10-9 cm2/s (in the intercalation) of the urchin-likeWO2.72 with a high surface area to volume ratio and high crystallinity

关键词： Three-dimensional nanostructures Tungsten oxide electrochromic device

作者: JINJOO Jung Do Hyung Kim

作者单位: Nano Applied Physics Laboratory(NAPL), Department of Physics, Kyungpook National University, Daegu, 702-701, Republic of Korea

会议类型: 国际会议

会议名称: 2nd International Conference on Advanced Materials and Engineering Materials(第二届先进材料与工程材料国际会议)(ICAMEM2012)

会议地点: 北京

会议语种:英文

页码: 307-313

在线出版日期: 2012-12-16（万方平台首次上网日期，不代表论文的发表时间）