أرسل هذا في رسالة قصيرة: Formation of hierarchical Co9S8@ZnIn2S4 heterostructured cages as an efficient photocatalyst for hydrogen evolution

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