Li+ ions diffusion into sol-gel V_2O-5 thin films: electrochromicproperties

摘要

V_2O_5thin films were prepared by the sol-gel spin coating process. The Li+ions insertion effecton optical and electrochromic properties of those films was studied. The diffusion coefficient was calcu-lated using both cyclic voltammograms and chronoamperometric curves. The amount x of Li+ ions inLi_xV_2O_5was also calculated. Finally, the electrochromic performance evolution characteristics such as thereversibility, coloration efficiency, coloration memory stability and response time were studied.