Structure and Electrical Conductivity of Hybrid Langmuir鈥揃lodgett Films from BEDO-TTF and Fatty Acid

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• 作者：Naureen Akhtar ; R茅gis Y. N. Gengler ; Thomas T. M. Palstra ; Petra Rudolf
• 刊名：The Journal of Physical Chemistry C
• 出版年：2012
• 出版时间：November 15, 2012
• 年：2012
• 卷：116
• 期：45
• 页码：24130-24135
• 全文大小：356K
• 年卷期：v.116,no.45(November 15, 2012)
• ISSN：1932-7455

文摘

Conducting Langmuir鈥揃lodgett films are one of the candidates for molecular electronics. We investigated the structural and electrical properties of Langmuir鈥揃lodgett films built up as a mixed molecular system of bis(ethylenedioxy)tetrathiafulvalene, in short BEDO-TTF, and fatty acid, as a function of (a) the alkyl chain length of the fatty acid and (b) the fatty acid: BEDO-TTF molar ratio in the starting solution from which the Langmuir film is prepared. The Langmuir鈥揃lodgett films deposited from mixtures with molar ratio 1:2 showed better quality in terms of crystallinity and electrical conduction. Moreover, LB films with longer alkyl chain fatty acids were better ordered even at lower molar ratio.