Patent ID: 7094866

Claim:
A covalently linked linear porphyrin polymer represented by formula (1): wherein R represents an alkyl group or (wherein a, b and d independently represent H, an alkyl group or aryl group); X represents —O—, —S—, >NR 101 (wherein R 101 represents H or an alkyl group), —CH 2 — or a single bond; Y represents ═O, ═S, or 2H; m represents an integer of 0 to 4; n represents an integer of 0 to 6; Z represents a five- or six-membered, nitrogen-containing, coordinating hetero aromatic ring group; M represents an ion of metal selected from typical metals and transition metals; Q 1 represents a single bond or a linear, divalent linking group; and p 1 represents an integer of 2 or more.