Directed Integration of Tetracyanoquinodimethane-Cu Organic Nanowires into Prefabricated Device Architectures

Authors

  • K. Xiao,

    1. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
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  • I. N. Ivanov,

    1. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
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  • A. A. Puretzky,

    1. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
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  • Z. Liu,

    1. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
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  • D. B. Geohegan

    1. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
    2. Materials Science and Technology Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6030, USA
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  • The authors gratefully acknowledge Pamela Fleming for technical assistance and Zhixian Zhou for helpful discussions. This research was conducted at the Center for Nanophase Materials Sciences, which is sponsored at Oak Ridge National Laboratory by the Division of Scientific User Facilities, US Department of Energy, managed by UT-Battelle, LLC, for the US Department of Energy under contract DE-AC05-00OR22 725.

Abstract

original image

Single-crystal nanowires of the organic semiconductor tetracyanoquinodimethane-Cu (TCNQ-Cu) are directly integrated into prefabricated microelectrode structures by growing the wires from an intermediate copper layer on the electrodes, as shown in the figure. This technique allows the nanowire growth to be integrated with device fabrication on a wide variety of substrates, eliminating the need for further assembly. The nanowire devices show bistable electrical switching behavior, which may be useful for high-density data storage.

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