Sánchez-Page, B. Pérez-Mas, A.M. González-Ingelmo, M. Fernández, L. González, Z. Jiménez, M.V. Pérez-Torrente, J.J. Blasco, J. Subías, G. Álvarez, P. Granda, M. Menéndez, R. Influence of graphene sheet properties as supports of iridium-based N-heterocyclic carbene hybrid materials for water oxidation electrocatalysis J. organomet. chem. 10.1016/j.jorganchem.2020.121334 2020 2020