發送短信 : Black GaAs : gold-assisted chemical etching for light trapping and photon recycling

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