Text this: Photocatalytic activity of ZNO with different morphologies synthesized by a sonochemical method

  _____     _____    __   _      ___      _____   
 |__  //   |  ___|| | || | ||   / _ \\   |__  //  
   / //    | ||__   | '--' ||  | / \ ||    / //   
  / //__   | ||__   | .--. ||  | \_/ ||   / //__  
 /_____||  |_____|| |_|| |_||   \___//   /_____|| 
 `-----`   `-----`  `-`  `-`    `---`    `-----`