Electrical Resistance of Long Oligothiophene Molecules

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概要

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• The electrical resistance of single oligothiophene molecular wires with lengths ranging from 2.2 nm (5-mer) to 9 nm (23-mer) was measured by the break junction method. A linear relationship between the molecular length and resistance was found for molecules longer than 11-mer, whereas an exponential increase in the resistance was observed for molecules shorter than 11-mer. These results indicate that the carrier transport mechanism changes from tunneling to hopping at around 11--14-mer (5.6 nm).

• Japan Society of Applied Physicsの論文
• 2009-02-25

著者

• Tada Hirokazu

  Graduate School Of Engineering Science Osaka University

• Yamada Ryo

  Graduate School Of Engineering Science Osaka University

• Kumazawa Hiroaki

  School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan

• Tanaka Shoji

  Research Center for Molecular-Scale Nanoscience, Institute for Molecular Science, Okazaki, Aichi 444

• Tanaka Shoji

  Research Center For Molecular-scale Nanoscience Institute For Molecular Science

• Kumazawa Hiroaki

  School Of Engineering Science Osaka University

関連論文

• n-Type and Ambipolar FET Characteristics Using Pyrazinophenanthrolines Linked with Oligothiophenes
• Electrical Conductance Measurement of Oligothiophene Molecular Wires Using Nanogap Electrodes Prepared by Electrochemical Plating
• Electrical Resistance of Long Oligothiophene Molecules
• Hydrothermal Synthesis of Silicon-Based Hollow Nanostructures

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