| abstract |
Optoelectronic devices are derived from polymers that include structural units of formula n n n n n n n n n n whereinn R 1a and R 2a are independently C 10-20 alkenyl, C 3-20 alkynyl, C 3-20 substituted alkenyl, C 3-20 substituted alkynyl, or a combination thereof; and R 1b is alkyl, substituted alkyl, or a combination thereof. |