Text this: Functionalization effect on the electronic properties of single walled carbon nanotubes

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