發送短信 : A combined single crystal neutron/X-ray diffraction and solid-state nuclear magnetic resonance study of the hybrid perovskites CH3NH3PbX3 (X = I, Br and Cl)

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