A composition contains a naphthalocyanine derivative represented by the following formula:
where R
1
to R
8
are independently an alkyl group and R
9
to R
12
are independently an aryl group, and at least one hydrogen atom in at least one selected from the group consisting of R
9
, R
10
, R
11
, and R
12
is substituted by an electron-withdrawing group.
一个化合物包含一个由以下公式表示的
萘酞菁衍
生物:
其中,R1至R8独立地是烷基基团,R9至R12独立地是芳基基团,并且在由R9、R10、R11和R12组成的基团中至少有一个氢原子被电子吸引基团取代。