“…An alternative to the use of one dye is the combination of two or more dyes forming dyads, triads, and so on, obtaining a combination of the properties of all components of the system or enhancing some of them. ,,− For the formation of dyads, a wide diversity of chromophores has been used, for example, BODIPY, ,,, coumarins, , and fluorescein, among others. Other dyads are made of porphyrin and fullerene or graphene showing high level of electron transfer in these systems. − …”