中文摘要：

采用循环伏安电化学沉积方式分别制备了聚邻甲氧基苯胺（1）和聚邻甲氧基苯胺/邻硝基苯胺（2）电致变色薄膜,并通过UV-Vis、分光光度仪、场发射扫描电子显微镜（SEM）对其进行性能表征.结果显示：变色膜1在不同电压下能实现湖绿色（U=-0.5V）和淡紫色（U=0.9V）变化,响应时间约15s,最大透光率变化（△Tmax）约10%（500nm）;变色膜2在不同电压下能实现橄榄绿色（U=-0.9V）和深酞蓝色（U=1.4V）变化,响应时间约2s,最大透光率变化（△Tmax）约为20%（497nm）;SEM测试得到薄膜2的厚度约550nm,且不同颜色状态下其表面形貌及导电性能有较大的差别.由以上结果可以看出：电致变色薄膜2比1具有更快的响应速度和较好的颜色对比度,因此薄膜2是更好的电致变色材料.

英文摘要：

Electrochromic films 1 and 2 based on poly（o-anisidine） and poly（o-anisidine-co-o-nitroaniline） were prepared by cyclic voltammetry method,respectively.The physical properties of the films were studied by UV-Vis,spectrophotometer and field-emission scanning electron microscopy（SEM）.The results indicate that the film 1 has two obviously different colors as aqua（U=-0.5 V） and lavender（U=0.9 V） under different voltages and its respond time is 15 s,the biggest different transmittance（△Tmax） of film 1 is 10%（around 500 nm）.The film 2 also has two obviously different colors as olive green（U=-0.9 V） and deep phthalocyanine blue（U=1.4 V） under different voltages and the response time is 2 s,the biggest different transmittance（△Tmax） of the film 2 is 20%（around 497 nm）.From the SEM results,it could be seen that the surface morphologies and the conducting properties of the film 2 are obviously different under the different color states.Based on above results,it can be seen that the film 2 has faster respond time and higher color contrast comparing with those of film 1,so the film 2 is a better electrochromic film.