Electron acceptors for polymeric thin film waveguide media

A compound having Formula I:

• wherein:
• R1 is a C1-C10 alkyl substituted with one or more substituents selected from the group consisting of fluorine and chlorine and wherein R2 is selected from the group consisting of substituted and unsubstituted C1-C10 alkyl, substituted and unsubstituted C2-C10 alkenyl, substituted and unsubstituted C2-C10 alkynyl, and (CH2)n—O—(CH2)n where n is 1-10;
• and
• R3 is selected from the group consisting of substituted and unsubstituted C1-C4 alkyl, substituted and unsubstituted C1-C4 alkenyl, and substituted and unsubstituted C1-C4 alkynyl.