A comparison between the photophysical and photosensitising properties of tetraphenyl porphycenes and porphyrins - Rubio, N; Prat, F; Bou, N; Borrell, JI; Teixidó, J; Villanueva, A; Juarranz, A; Cañete, M; Stockert, JC; Nonell, S; (New Journal Of Chemistry, 2005)