Doping of quantum confined nanocrystals offers unique opportunities to control the bandgap and the Fermi energy level. We reveal that surface chemistries induced on the nanocrystals strongly depend on the type of dopants and result in considerable diverse optoelectronic properties (e.g., photoluminescence quantum yield is enhanced more than 6 times for n-type SiNCs). (ACS Appl. Mater. Interfaces 7 (2015) 28207).