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  _____      ___     ______    __   __  __    __  
 / ____||   / _ \\  |      \\  \ \\/ // \ \\ / // 
/ //---`'  / //\ \\ |  --  //   \ ` //   \ \/ //  
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 \_____|| |_||  |_|||______//    |_||      \//    
  `----`  `-`   `-` `------`     `-`'       `

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Text this: Ultrasonic-assisted synthesis of Nd-doped ZnO for photocatalysis