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https://dspace.iiti.ac.in/handle/123456789/8172
| Title: | Enhancing Viologen's Electrochromism by Incorporating Thiophene: A Step Toward All-Organic Flexible Device |
| Authors: | Chaudhary, Anjali Pathak, Devesh Kumar Sagdeo, Pankaj R. Kumar, Rajesh |
| Keywords: | Electrochromic devices;ITO glass;Solid state devices;Substrates;Switching;Coated glass substrates;Color switching;Electrochromics;Ethyl viologen;Fabricated device;Organic materials;P3HT;Poly-3-hexylthiophene;Electrochromism |
| Issue Date: | 2019 |
| Publisher: | Wiley-VCH Verlag |
| Citation: | Chaudhary, A., Pathak, D. K., Mishra, S., Yogi, P., Sagdeo, P. R., & Kumar, R. (2019). Enhancing viologen's electrochromism by incorporating thiophene: A step toward all-organic flexible device. Physica Status Solidi (A) Applications and Materials Science, 216(2) doi:10.1002/pssa.201800680 |
| Abstract: | An all-organic electrochromic device seems to be a possibility with ethyl viologen (EV) and poly-3-hexylthiophene (P3HT), both being organic materials, showing complementary electrochromic pair for color switching. The EV-P3HT layer, sandwiched between ITO-coated glass substrates shows switching between maroon and blue with an applied bias of 1.4 V. Mechanism of the color switching has been examined using UV-Vis and Raman spectroscopies. The fabricated device shows optical modulation of 80%, switching time of 1 s while maintaining cycle life for a period of more than 600 s. The paradigm reported here inches toward realizing a flexible all-organic electrochromic device. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim |
| URI: | https://doi.org/10.1002/pssa.201800680 https://dspace.iiti.ac.in/handle/123456789/8172 |
| ISSN: | 1862-6300 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Physics |
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