Comparison of performance parameters of poly(3,4 ethylenedioxythiophene) (PEDOT) based electrochromic device on glass with and without counter electrode

Bulletin of materials science

S Sindhu¹  E S R Gopal²  K Narasimha Rao³ 

[1] Practice School Division, BITS Pilani; Professional Development Centre, Bangalore 560 008, India$$Practice School Division, BITS Pilani; Professional Development Centre, Bangalore 560 008, IndiaPractice School Division, BITS Pilani; Professional Development Centre, Bangalore 560 008, India$$;Department of Physics, Indian Institute of Science, Bangalore 560 012, India$$Department of Physics, Indian Institute of Science, Bangalore 560 012, IndiaDepartment of Physics, Indian Institute of Science, Bangalore 560 012, India$$;Department of Instrumentation, Indian Institute of Science, Bangalore 560 012, India$$Department of Instrumentation, Indian Institute of Science, Bangalore 560 012, IndiaDepartment of Instrumentation, Indian Institute of Science, Bangalore 560 012, India$$

关键词: Electrochromic devices;    conducting polymers;    PEDOT;    indium tin oxide.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

Conjugated polymers are promising materials for electrochromic device technology. Aqueous dispersions of poly(3,4-ethylenedioxythiophene)-(PEDOT) were spin coated onto transparent conducting oxide (TCO) coated glass substrates. A seven-layer electrochromic device was fabricated with the following configuration: glass/transparent conducting oxide (TCO)/PEDOT (main electrochromic layer)/gel electrolyte/prussian blue (counter electrode)/TCO/glass. The device fabricated with counter electrode (Prussian blue) showed a contrast of 18% and without counter electrode showed visible contrast of 5% at 632 nm at a voltage of 1.9 V. The comparison of the device is done in terms of the colouration efficiency of the devices with and without counter electrode.

【 授权许可】

Unknown