發送短信 : Organic molecules based on dithienyl-2,1,3-benzothiadiazole as new donor materials for solution-processed organic photovoltaic cells

           _    _              __   __  __    __  
    ___   | || | ||     ___    \ \\/ // \ \\ / // 
   /   || | || | ||    /   ||   \ ` //   \ \/ //  
  | [] || | \\_/ ||   | [] ||    | ||     \  //   
   \__ ||  \____//     \__ ||    |_||      \//    
    -|_||   `---`       -|_||    `-`'       `     
     `-`                 `-`