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標題: | 噴墨式N型有機薄膜電晶體元件之開發 The Development of Inkjet-Printing N-type Organic Thin Film Transistor Device |
作者: | Tsung-Ju Wu 吳宗儒 |
指導教授: | 吳文中 |
共同指導教授: | 林致廷 |
關鍵字: | 軟性電子,噴墨技術,有機薄膜電晶體,P(NDI2OD-T2), flexible electronics,ink-jet printing technology,organic thin film transistor,P(NDI2OD-T2), |
出版年 : | 2013 |
學位: | 碩士 |
摘要: | 由於科技的發展,軟性電子逐漸在市場中嶄露頭角,其可撓的特性賦與電子 產品新的價值,如可彎曲式顯示器、電子紙、有機太陽能電池以及 RFID 標籤,而 最受到市場的矚目還是以顯示器為主,其中有機薄膜電晶體更是被廣泛的應用。
過去十年來,p-type 有機半導體的研究已經逐漸成熟,如能夠發展出 n-type 有機薄膜電晶體與 p-type 半導體匹配成互補電路,將能使有機薄膜電晶體的應用 更進一步,朝著有機積體電路設計邁進。 本論文使用團隊自製的噴墨系統,利用噴墨製程搭配有機材料,使用穩定度 高的 n-type 有機半導體材料 P(NDI2OD-T2),噴印於金電極之源汲極上,其載子飄 移率可達 0.3 cm2V-1s-1,電流開關比為 3.4 x 103;而為了全有機薄膜電晶體的開發, 我們利用高分子導電聚合物 PEDOT:PSS 材料,使用噴印製程製作源汲極,其製 作電晶體載子飄移率為 0.022 cm2V-1s-1,電流開關比為 6.8 x 102,成功的製作出 n 型有機薄膜電晶體。 未來,將嘗試利用噴墨製程發展全有機噴墨電路,結合本團隊發展成熟之 p-type 電晶體與 n-type 電晶體製作互補電路,並提升其電子元件的電性表現。 With the development of electrical technology, flexible electronics attracts attention in marketplace. Their flexible capability promotes different applications to electrical products, such as flexible displays, electronic papers, organic solar cells and RFID tags. In all these applications, organic thin film transistors (OTFT) are one of the most important elements. In last ten years, researches on p-type organic semiconductor have been extensively developed. On the other hand, the development of n-type organic semiconductor is still limited. Therefore, it is important to fabricate the n-type organic semiconductor for the complementary circuit technology. In this work, we used an inkjet printing fabrication system which was made by our research team to develop n-type OTFT, The n-type organic semiconductor P (NDI2OD-T2) was used as the channel material in our devices. Based on these technologies and materials, we successfully fabricated n-type OTFT devices. The device with Au contacts and polymer dielectric, achieved the mobility up to 0.3 cm2V-1s-1 and on/off current ratio of 3.4 x 103. Besides, the device with printed PEDOT: PSS electrode achieved the mobility up to 0.022 cm2V-1s-1 and on/off current ratio of 6.8 x 102. Based on this development, we will be able to fabricate all-inkjet-printed complementary organic circuits for future applications. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/58940 |
全文授權: | 有償授權 |
顯示於系所單位: | 工程科學及海洋工程學系 |
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