Patent ID: 8568965

Claim:
A film comprising a naphthalocyanine compound represented by formula (1): wherein M represents Si, R 1 to R 3 each represents an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, an amino group, an alkylamino group having 1 to 30 carbon atoms, or aniline group having 6 to 30 carbon atoms, and may be substituted, and R 4 to R 27 each independently represents a hydrogen atom or a substituent, wherein at least one of R 1 to R 3 is a branched alkyl group having 3 to 6 carbon atoms, an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic heterocyclic group having 6 to 12 carbon atoms.