發送短信 : Light sources and photodetectors enabled by 2D semiconductors

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