| abstract |
A compound represented by the formula (I) (I) (Wherein, N is a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z 1, Z 4, Z 5, and Z 8 represents a carbon atom or a nitrogen atom; Z 2, Z 3, Z 6, and Z 7 represents a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z 11 and Z 16 represents a carbon atom or a nitrogen atom; Z 12, Z 13, Z 14, Z 15, Z 17, Z 18, Z 19, and Z 20 represents a carbon atom, a nitrogen atom, an oxygen atom, or sulfur atom; Y 1 and Y 2 denotes a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; a 11 is B 1 and B 2 represent a single bond or a bivalent linking group. |