摘要We synthesize and purify 9,9'-bianthracene with the purity up to 96.4 %. The electronic and crystallographic structures of 9,9'-bianthracene are studied. The results of a joint experimental investigation based on a combination of x-ray diffraction (XRD) spectra, hydrogen nuclear magnetic (HNMR) spectra, infrared absorption (FT-IR) spectra, and mass spectra (MS) of 9,9'-bianthracene are obtained. The uniform compact film is observed by an atomic-force microscope (AFM). Organic field effect transistors (OFETs) with an active layer based on the synthesized 9,9'-bianthracene are fabricated for the first time. Its field-effect mobility is as large as 0.067cm2/(V・s) and the on/off ratio is above 5×104. The result demonstrates that the oligomerization of a small semiconductor molecule is an effective method to develop high-mobility organic semiconductors.
Abstract：We synthesize and purify 9,9'-bianthracene with the purity up to 96.4 %. The electronic and crystallographic structures of 9,9'-bianthracene are studied. The results of a joint experimental investigation based on a combination of x-ray diffraction (XRD) spectra, hydrogen nuclear magnetic (HNMR) spectra, infrared absorption (FT-IR) spectra, and mass spectra (MS) of 9,9'-bianthracene are obtained. The uniform compact film is observed by an atomic-force microscope (AFM). Organic field effect transistors (OFETs) with an active layer based on the synthesized 9,9'-bianthracene are fabricated for the first time. Its field-effect mobility is as large as 0.067cm2/(V・s) and the on/off ratio is above 5×104. The result demonstrates that the oligomerization of a small semiconductor molecule is an effective method to develop high-mobility organic semiconductors.
LI Jian-Feng;CHANG Wen-Li;TAO Chun-Lan;OU Gu-Ping;ZHANG Fu-Jia. Synthesis, Characterization of 9,9'-Bianthracene and Fabrication of 9,9'-Bianthracene Field-Effect Transistors[J]. 中国物理快报, 2008, 25(12): 4476-4479.
LI Jian-Feng, CHANG Wen-Li, TAO Chun-Lan, OU Gu-Ping, ZHANG Fu-Jia. Synthesis, Characterization of 9,9'-Bianthracene and Fabrication of 9,9'-Bianthracene Field-Effect Transistors. Chin. Phys. Lett., 2008, 25(12): 4476-4479.
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