Provided is a bipolar substance having high excitation energy, in particular, high triplet-excitation energy. An oxadiazole derivative represented by General Formula (G1) below is provided
In the formula, Ar represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R
1
represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R
2
represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring.
提供的是一种具有高激发能量,特别是高三重激发能量的双极性物质。下面是通用公式(G1)表示的噁二唑衍
生物。在公式中,Ar代表一个具有6到10个碳原子的环中的取代或未取代芳基。R1代表一个具有1到4个碳原子的烷基或一个具有6到10个碳原子的环中的取代或未取代芳基。R2代表氢,一个具有1到4个碳原子的烷基,或一个具有6到10个碳原子的环中的取代或未取代芳基。