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Issue 33, 2009
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Single-crystalline organic nanowires with large mobility and strong fluorescence emission: a conductive-AFM and space-charge-limited-current study

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Abstract

We have designed and synthesized self-assembled one-dimensional nanowires (1D NWs) from the fused thiophene derivative 2,3-bis(5-(3,5-bis(trifluoromethyl)phenyl)thiophen-2-yl)acrylonitrile (SS-TFMBE). This new material is characterized by a strong self-assembling capability that leads to the formation of 1D NWs exhibiting a dramatic increase in fluorescence emission upon formation of NW aggregates. In addition, the semiconducting properties of the 1D NWs were evidenced by means of conducting-probe atomic force microscopy (CP-AFM) and space-charge-limited-current (SCLC) measurements, which show that SS-TFMBE NWs composed of ordered percolated crystals have an effective carrier mobility of up to 3.1 cm2Vāˆ’1 sāˆ’1.

Graphical abstract: Single-crystalline organic nanowires with large mobility and strong fluorescence emission: a conductive-AFM and space-charge-limited-current study

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Supplementary files

Article information


Submitted
24 Feb 2009
Accepted
13 May 2009
First published
23 Jun 2009

J. Mater. Chem., 2009,19, 5920-5925
Article type
Paper

Single-crystalline organic nanowires with large mobility and strong fluorescence emission: a conductive-AFM and space-charge-limited-current study

J. W. Chung, H. Yang, B. Singh, H. Moon, B. An, S. Y. Lee and S. Y. Park, J. Mater. Chem., 2009, 19, 5920
DOI: 10.1039/B903882E

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