Soluble Dithienothiophene (DTT) Derived Small Molecules for Organic Thin Film Transistor (OTFT) Application

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题名:	Soluble Dithienothiophene (DTT) Derived Small Molecules for Organic Thin Film Transistor (OTFT) Application
作者:	雅格婷;Agustin,Rachmawati Dwi
贡献者:	化學學系
关键词:	-;organic thin film transistor;dithienothiophene;fused thiophene;alkyl side chains;soluble
日期:	2016-07-27
上传时间:	2016-10-13 12:45:50 (UTC+8)
出版者:	國立中央大學
摘要:	本研究著重於開發新三併環噻吩(DTT)衍生物的材料，希望該材料具備良好的溶解度，使其可以用在OTFT。DTT外掛SBT的結構可以延伸DTT的共軛長度並維持整個結構平面性，並擁有好的溶解度，因此，我將DTT分別結合SBT14和SBT18，成功合成出DDTT-SBT14 和DTT-SBT18。兩者主要骨架相同，差異在於碳鏈的不同，因此我將兩個材料做物性及化性的比較，並量測其光學、電化學、熱性質，發現兩者的結果相當類似，而DTT-SBT14的溶解度則優於DTT-SBT18。;his research focused on the development of soluble dithienothiophene (DTT) derivatives for organic thin film transistor (OTFT) application. Two new highly soluble dithienothiophene derivatives, DDTT-SBT14 and DDTT-SBT18 were synthesized by Stille Coupling. The fused thiophene (Bithiophene) enhancement of - molecular conjugation with Dithienothiophene (DDT) group and the comparison of the solubility by the addition of alkyl side chains were investigated. The chemical and physical characterization which included characterizing theirs optical, electrochemical and thermal properties shows that DDTT-SBT14 have the similar results to DDTT-SBT18 for the OTFT applications, but the mobility of DDTT-SBT14 is µ = 1.7 cm2/Vs more higher than than DDTT-SBT18 is µ = 0.3 cm2/Vs.
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