發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Optimising dopant concentration of hole transport layer to achieve high efficiency and stability perovskite solar cells