Researchers at the Physical and Analytical Chemistry department of the Universitat Jaume I (UJI) of Castellón, Spain, have taken part in the design of semiconductor nanoplatelets with a broadened range of colours to improve LCD and LED screens, thanks to an international collaboration headed by the University of Ghent. The results of this research, in which the ICFO-Barcelona and the Italian Technology Institute also took part, has been published in Nano Letters.