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  • 學位論文

可溶性有機薄膜電晶體材料之開發

Development of soluble OTFT materials

指導教授 : 陳銘洲
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摘要


經由溶液製程將五環素(1)塗佈於有機薄膜場效電晶體是本研究主要開發之目標,研究中利用新的Diels-Alder反應試劑(10)與所需的鈀觸媒(9)成功地合成出新型的五環素前驅物B(11),以克服五環素高轉換溫度之問題。此前驅物(11)已有NMR與MS之鑑定、其對常用溶劑之溶解度的探討(10 mg/mL CDCl3)、其轉換回五環素之DSC、IR、TGA與UV,以及其定量與定性之動力學研究(活化能Ea = 108.44 kJ/mol)。在固相狀態,此前驅物(11)於無酸催化條件下,轉回五環素之溫度約160 ℃,相較於文獻上的五環素前驅物A(6),此一新開發之材料(11)具有較低的轉換溫度。在溶液(CDCl3)狀態,於室溫此前驅物(11)轉回五環素之半生期為14分鐘。未來將進行其元件電性之測試以評估其在溶液製程上之應用,進而找出最佳的有機薄膜電晶體條件。

並列摘要


Via the Diels-Alder reaction to overcome the low pentacene solubility problem in the organic thin film field-effect transistors (OTFTs) is our goal. Pentacene precursor B (11) had been successfully synthesized from the reaction of N-sulfinyl-methanesulfonamide (10) and pentacene (1) catalyzed by [Pd(dppp)(PhCN)2](BF4)2 (9), which has been charactered spectroscopically by DSC, IR, MS, NMR, TGA, and UV. The kinetic study of pentacene precursor B (11) has been investigated (activation energy, Ea = 108.44 kJ/mol). In solid state, lower conversion temperature (166 ℃, no acid catalyst) of pentacene precursor B (11) was found. In the solution state (CDCl3 or acetone-d6), the lowest conversion temperature (room temperature) of pentacene precursor B (11) was obtained (lifetime is 14 minute in CDCl3). The performance of pentacene precursor B (11) in the OTFT by the solution process will be examined later.

參考文獻


8.Sakamoto, Y.; Suzuki, T. et al. J. Am. Chem. Soc. 2004, 126, 8138-8140.
9.Gorjanc, T. C.; Levesque, I.; D’lorio, M. Appl. Phys. Lett. 2004, 84, 930-932.
23.Sakamoto, Y.; Komatsu, S.; Suzuki, T. J. Am. Chem. Soc. 2001, 123, 4643-4644.
44.Sundar, V. C.; Zaumseil, J.; Podzorov, V.; Menard, E.; Willett, R. L.; Someya, T. M.; Gershenson, E.; Rogers, J. A. Science 2004, 303, 1644.
46.Sirringhaus, H.; Tessler, N.; Friend, R. H. Science 1998, 280, 1741.

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