abstract |
A composition contains a phthalocyanine derivative represented by the following formula: n n n n n n n n n n where R 1 to R 8 are independently an alkyl group, M is Si, each of R 9 and R 10 is any one of substituents represented by the following formulas, R 11 to R 13 are independently an alkyl group, and R 14 to R 18 are independently an alkyl group or an aryl group: |