Investigation of Electrodeposited WO3 Film with Heat Treatment

Autor:	Hsiang Chen, Yih-Min Yeh
Rok vydání:	2014
Předmět:	Diffraction Materials science Morphology (linguistics) Chemical engineering Renewable Energy Sustainability and the Environment Scanning electron microscope Electrochromism Electrochemistry General Materials Science Crystal structure Cyclic voltammetry Tin oxide Deposition (law)
Zdroj:	Journal of New Materials for Electrochemical Systems. 17:029-032
ISSN:	2292-1168 1480-2422
DOI:	10.14447/jnmes.v17i1.440
Popis:	In this research, we propose an alternative method to fabricate WO3 films as electro chromatic devices (ECDs). To fabricate the electrochromic film, we electrochemically deposit a WO3 film on FTO (fluorine-doped tin oxide). The deposited film was crystallized with heat treatment at various temperatures. To investigate the material quality of the film in different deposition and heat treatment conditions, X-ray diffraction (XRD) was used to examine the crystalline structure and scanning electron microscope (SEM) was used to analyze the surface morphology. Furthermore, the electrical performance of the film was evaluated by cyclic voltammetry (CV) and the transmittance modulation could still attain above 40% after 1000 times repeated cycles. The electrochromatic behavior has been demonstrated in WO3, electrodeposition, electrochromatic device, cyclic voltammetry, heat treatmentwavelength between 780 nm to 1050 nm.
Databáze:	OpenAIRE
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