Photophysical properties of non-homoconjugated 1,2-dihydro, 1,2,3,4-tetrahydro and 1,2,3,4,5,6-hexahydro-C60 derivatives. - Chin KK; Chuang SC; Hernandez B; Campos LM; Selke M; Foote CS; Garcia-Garibay MA (Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 2008)