Issue 33, 2009
From the journal:

Journal of Materials Chemistry

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

Jong Won Chung,a   Hoichang Yang,b   Birendra Singh,c   Hyunsik Moon,d   Byeong-kwan An,a   Sang Yoon Leed  and  Soo Young Park*a  

* Corresponding authors

a Center for Supramolecular Optoelectronic Materials and Department of Materials Science and Engineering, ENG445, Seoul National University, San 56-1, Shilim-dong, Kwanak-ku, Seoul 151-744, Korea
E-mail: parksy@snu.ac.kr
Fax: (+82) 2-886-8331
Tel: (+82) 2-880-8347

b Advanced Fiber Engineering, Inha University, Incheon 402-751, Korea

c Linz Institute of Organic Solar Cells (LIOS), Institute of Physical Chemistry, Johannes Kepler University Linz, A-4040 Linz, Austria

d Display Laboratory, Samsung Advanced Institute of Technology, Samsung Electronics Co., LTD., Yongin, Korea

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 cm2V−1 s−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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Article information

DOI
https://doi.org/10.1039/B903882E
Article type
Paper
Submitted
24 Feb 2009
Accepted
13 May 2009
First published
23 Jun 2009

J. Mater. Chem., 2009,19, 5920-5925

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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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