During this time, he focused on narrow band gap quantum dots, and published several articles on HgTe,[3] SnTe,[4] PbSe[5] as well as iron oxide[6] nanocrystals.

Since then, the research group of Kovalenko has focused on understanding and improving colloidal perovskite nanocrystals,[18][19] their assembly into long-range ordered superlattices and their exploration as quantum light sources.

[20] Additionally, the group continues to investigate the surface chemistry of nanocrystals[21][22] and novel electrode materials for Li-ion and non-Li battery technologies.

[25][26][27][28] In 2018, the group received financial support from the ETH+ Initiative to establish a crystal growth and characterization facility for research purposes as well as for education and training of students.

[29] The expertise of the group now also includes single-particle spectroscopy,[30] fabrication of light-emitting diodes[31][32] and testing materials for hard radiation detection.