Origin of a counterintuitive yellow light-emitting electrochemical cell based on a blue-emitting heteroleptic copper(I) complex - Weber, Michael D.; Garino, Claudio; Volpi, Giorgio; Casamassa, Enrico; Milanesio, Marco; Barolo, Claudia; Costa, Rubén D. (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2016)