Kalyanasundaram, K.Nazeeruddin, M. K.2006-02-212006-02-212006-02-21199210.1016/0009-2614(92)85670-6https://infoscience.epfl.ch/handle/20.500.14299/224701WOS:A1992HZ32800015Tuning of the CT excited state and validity of the energy gap law in mixed ligand complexes of ruthenium(II) containing 4,4'-dicarboxy-2,2'-bipyridinetext::journal::journal article::research article