أرسل هذا في رسالة قصيرة: An efficient visible and UV-light-activated B–N-codoped TiO2 photocatalytic film for solar depollution prepared via a green method

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