Alkynyl bridged cyclometalated Ir2M2 clusters impact of the heterometal in the photo- and electro-luminescence properties - Fernández-Cestau, Julio; Giménez, Nora; Lalinde, Elena; Montaño, Patricia; Moreno, M. Teresa; Sánchez, Sergio; Weber, Michael D.; Costa, Rubén D. (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2016)