Barium tungstate crystallites with different sizes and morphologies were successfully synthesized using a simple electrochemical technique by varying the components of electrolyte solutions. XRD analysis evidenced that the as-prepared samples were a pure tetragonal-phase of BaWO4 with a scheelite structure. Scanning electron microscopy images and PL spectra of BaWO4 crystallites revealed that the presence of OH− ions and the incorporation of absolute ethanol into the electrolyte solution would have important effects on their particle sizes, morphologies, and optical properties.
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Document Type: Research Article
State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266003, China
Publication date: October 1, 2009