أرسل هذا في رسالة قصيرة: Metal-free bifunctional carbon electrocatalysts derived from zeolitic imidazolate frameworks for efficient water splitting

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