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 __   _      ___     _    _      ___              
| || | ||   / _ \\  | \  / ||   / _ \\      ___   
| '--' ||  | / \ || |  \/  ||  / //\ \\    /   || 
| .--. ||  | \_/ || | .  . || |  ___  ||  | [] || 
|_|| |_||   \___//  |_|\/|_|| |_||  |_||   \__ || 
`-`  `-`    `---`   `-`  `-`  `-`   `-`     -|_|| 
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Text this: Preparation and characterization of BiVO<inf>4</inf>powder by the sol-gel method