أرسل هذا في رسالة قصيرة: Fabrication and characterization of carbon nanotube intermolecular p–n junctions

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