The composition 7, wherein in the photosensitizer, at least one of the halogenated R1, R2, R3, R4, R5 and R6 is —{TAIL ~ NRn} X, wherein {HEAD ~ R} is hydrogen or straight chain alkyl group consisting of one to 6 carbon atoms, n is an integer from 0 to 6, and X is selected from the group consisting of chlorine, bromine and iodine 
The composition 7 , wherein in the photosensitizer , at least one of the halogenated R1 , R2 , R3 , R4 , R5 and R6 is — { TAIL ~ NRn } X , wherein { HEAD ~ R } is hydrogen or straight chain alkyl group consisting of one to 6 carbon atoms , n is an integer from 0 to 6 , and X is selected from the group consisting of chlorine , bromine and iodine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH