Reduced graphene oxide layered WO3 thin film with enhanced electrochromic properties
| Autor: | Sawanta S. Mali, Anamika V. Kadam, Nilam Y. Bhosale, Chang Kook Hong, Ayesha Khan |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Graphene Oxide 02 engineering and technology Substrate (electronics) 010402 general chemistry 021001 nanoscience & nanotechnology Tin oxide 01 natural sciences 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials law.invention Biomaterials chemistry.chemical_compound Colloid and Surface Chemistry Chemical engineering chemistry law Electrochromism Nanorod Thin film 0210 nano-technology Nanosheet |
| Zdroj: | Journal of Colloid and Interface Science. 571:185-193 |
| ISSN: | 0021-9797 |
| Popis: | The electrochromic (EC) properties of inorganic-organic hybrids of tungsten oxide/reduced graphene oxide (WO3/rGO) thin films were examined. Using hydrothermal method WO3 nanorods were deposited on a conducting Indium-doped tin oxide (ITO) glass substrate. In succession, the reduced graphene oxide thin film was coated on WO3 thin film using improved Hummers method. The structural, morphological, optical, and electrochromic responses of WO3, rGO, and WO3/rGO films are illustrated. Compared with pure WO3 film, WO3/rGO composite film demonstrates improved EC performance because of enhanced double insertion/extraction of ions and electrons. It realizes a large optical modulation (58.8% at 633 nm) with a significant increase in Coloration Efficiency (CE) and EC stability. |
| Databáze: | OpenAIRE |
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