| abstract |
A composition for forming an electroactive coating includes an acid as a polymerization catalyst, at least one functional component, and at least one compound of formula (1) as a monomer: n n n n n n n n n n wherein X is selected from S, O, Se, Te, PR 2 and NR 2 , Y is hydrogen (H) or a precursor of a good leaving group Y − whose conjugate acid (HY) has a pK a of less than 45, Z is hydrogen (H), silyl, or a good leaving group whose conjugate acid (HY) has a pK a of less than 45, b is 0, 1 or 2, each R 1 is a substituent, and the at least one compound of formula (1) includes at least one compound of formula (1) with Z=H and Y≠H. |