摘要
Four classes of core-expanded naphthalene diimides （la, lb, 2a, 2b, 3 and 4） that bear different elec- tron-deficient sulfur heterocycles were designed and synthesized. The solution-processed thin films of la, 2a, 3 and 4 operated well in air as n-channel organic transistors with electron mobility ranging from MO 6 to 0.14 cm2/Vs, depending on the different conjugated backbones. The thin film microstructure studies were also carried out to un- derstand the variations of the electron mobility for thin films of la, 2a, 3 and 4.
Four classes of core-expanded naphthalene diimides （la, lb, 2a, 2b, 3 and 4） that bear different elec- tron-deficient sulfur heterocycles were designed and synthesized. The solution-processed thin films of la, 2a, 3 and 4 operated well in air as n-channel organic transistors with electron mobility ranging from MO 6 to 0.14 cm2/Vs, depending on the different conjugated backbones. The thin film microstructure studies were also carried out to un- derstand the variations of the electron mobility for thin films of la, 2a, 3 and 4.
基金
The present research was financially supported by National Natural Science Foundation of China，the Ministry of Science and Technology，the Chinese Academy of Sciences
