أرسل هذا في رسالة قصيرة: Rational design of triphenylamine dyes for highly efficient p-type dye sensitized solar cells

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