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

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