| 摘要 |
PROBLEM TO BE SOLVED: To provide a field effect transistor having practical carrier mobility by using a specific organic compound as a semiconductor material. SOLUTION: The field effect transistor employs a diamine compound represented by a formula (1) as a semiconductor material. In the formula (1), X<SB>1</SB>and X<SB>2</SB>each independently denote an oxygen atom, a sulfur atom, or a selenium atom; R<SB>1</SB>and R<SB>2</SB>each independently denote a hydrogen atom, a substitutable aliphatic alkyl group, or a substitutable aromatic group; and R<SB>3</SB>and R<SB>4</SB>each independently denote a hydrogen atom, a substitutable aliphatic alkyl group, a substitutable aliphatic alkoxy group, a substitutable aromatic group, or a substitutable aromatic oxy group. COPYRIGHT: (C)2008,JPO&INPIT
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