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High-performance ITO-free electrochromic films based on bi-functional stacked WO3/Ag/WO3 structures.
- Source :
-
Solar Energy Materials & Solar Cells . May2015, Vol. 136, p86-91. 6p. - Publication Year :
- 2015
-
Abstract
- Stacked WO 3 /Ag/WO 3 (WAW) films were employed as both transparent electrodes and electrochromic materials. These nontoxic, low-cost WAW films that were prepared at room temperature exhibited not only low sheet resistance (12.2 Ω/□) and high transmittance (>80%) but also compelling electrochromic performance with high optical contrast (53%) at 650 nm, long-term cycling stability (3000 cycles), and short switching time (coloration time=11 s; bleaching time=10.5 s). The coloration efficiency of the WAW films was 136 cm 2 C –1 , which is higher than those of most electrochromic transition metal oxides. In addition, by utilizing such bi-functional films, the flexible electrochromic film with acceptable performance was obtained. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09270248
- Volume :
- 136
- Database :
- Academic Search Index
- Journal :
- Solar Energy Materials & Solar Cells
- Publication Type :
- Academic Journal
- Accession number :
- 101495096
- Full Text :
- https://doi.org/10.1016/j.solmat.2015.01.002