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    題名: 可溶性有機薄膜電晶體材料之開發;Development of soluble OTFT materials
    作者: 倪偵翔;Jen-Shyang Ni
    貢獻者: 化學研究所
    關鍵詞: Diels-Alder反應;活化能;半生期;有機薄膜電晶體;鈀觸媒;五環素;溶液製程;五環素前驅物;轉換溫度;塗佈;Diels-Alder reaction;conversion temperature;coating;activation energy;lifetime;organic thin film field-effect transistors (OTFT;solution process;pentacene;palladium catalyst;pentacene precursor
    日期: 2006-06-26
    上傳時間: 2009-09-22 10:15:28 (UTC+8)
    出版者: 國立中央大學圖書館
    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。 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.
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