Group IV nanocrystals (NCs) are about to revolutionize the electronic devices and gadgets we are using today due to their specific properties. These properties are pivotal in using group IV NCs for new Third Generation solar cells of high efficiency at low material cost, providing renewable energies for future economic growth with minimum climate impact. Group IV NCs advance largescale integration into regions which provide massive increase in compute performance at much decreased energy consumption. In order to unfold their full potential, the technology to assign one majority carrier type per Group IV NC must exist so that n-and p-type (electron-and hole-dominated) NCs can form electronic devices in analogy to existing solid-state electronics like