Recently, a research team composed of researchers from the University of São Paulo in Brazil and Kiel University in Germany collaborated to propose a new method for monitoring the formation of quantum dots. In this study, the team used cadmium telluride as a model system and controlled nanoparticle growth in a heated aqueous solution via in situ luminescence analysis. The technique enables scientists to see what is happening in the solution in real time without affecting QD synthesis so that they can monitor crystal growth by observing the color (wavelength) of the light emitted.

Recently, researchers from Pohang University of Science and Technology (POSTECH) have employed Nanoimprint Lithography (NIL) to fabricate metasurfaces embedded with quantum dots. The research team integrated quantum dots with titanium dioxide (TiO2) to create the metasurface. Unlike conventional methods, this approach embeds the quantum dots directly within the metasurface during its creation. Their experiments demonstrated that the more photons emitted from the quantum dots that were coupled to the resonant modes of the metasurface, the higher the luminescence efficiency.