High sensitivity fluorescence up-conversion spectroscopy of 3MLCT emission of metal-organic complexesLi Liu, Damianos Agathangelou, Thomas Roland, Olivier Crégut, Thibaud Duchanois, Marc Beley, Jérémie Léonard, Philippe Gros and Stefan HaackeEPJ Web Conf., 205 (2019) 09009DOI: https://doi.org/10.1051/epjconf/201920509009