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

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