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Electron and hole mobilities in ternary solid solution films consist of electron-transporting oxadiazole derivatives (OXD's), a hole-transporting diaminodiphenyl derivative (TAD) and a polycarbonate (...PC) were evaluated by the conventional time-of-flight technique. Electron mobility in the solid solution films was increased as OXD concentration while the hole mobility was enhanced with TAD concentration, demonstrating that electron and hole transport in the films was dominated by OXD and TAD molecules, respectively. Further, bipolar carrier transport was confirmed in the ternary solid solutions. Typical electron and hole mobilities were 3.5×10-7cm2 V-1s-1 and 1.0×10-7cm2 V-1s-1, respectively. Owing to charge-transfer complexation of OXD and TAD, however, the electron and hole mobilities in the ternary solid solution films was less than one tenth in comparison with those in corresponding binary solid solitions, hole mobility in TAD-doped PC and electron mobility in OXD-doped PC.続きを見る
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Mendeley出力
