ORGANOMETALLIC NANOSTRUCTURES OF 1,4-DIBROMO-2,5-DIIODOBENZENE BY METAL IONS CONSTRUCTION ON HOPG SURFACE

Wei Li, Zhongping Wang, Xinli Leng, Yan Lu, Xiaoqing Liu and Li Wang
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Wei Li: Department of Physics, Nanchang University, Nanchang 330031, P. R. China†Department of Science, Nanchang Institute of Technology, Nanchang 330099, P. R. China
Zhongping Wang: Department of Physics, Nanchang University, Nanchang 330031, P. R. China
Xinli Leng: Department of Physics, Nanchang University, Nanchang 330031, P. R. China
Yan Lu: Department of Physics, Nanchang University, Nanchang 330031, P. R. China
Xiaoqing Liu: Department of Physics, Nanchang University, Nanchang 330031, P. R. China
Li Wang: Department of Physics, Nanchang University, Nanchang 330031, P. R. China

Surface Review and Letters (SRL), 2016, vol. 23, issue 04, 1-8

Abstract: Different organometallic nanostructures on highly oriented pyrolytic graphite (HOPG) have been synthesized by different metal ions coordinating with 1,4-Dibromo-2,5-diiodobenzene (C6H2Br2I2). Scanning tunneling microscopy (STM) images directly demonstrated the transformation of the nanostructure from self-assembled nanostructures formed by C6H2Br2I2 through halogen bond into organometallic network, formed by the dehalogenated C6H2Br2I2 molecules covalent bonded with metal ions. Moreover, by varying the concentrations of C6H2Br2I2 molecules or valence states of metal ions, organometallic structures with different shapes and sizes have been fabricated, which illustrates that the concentrations and valence states of the metal ions play important roles in the organometallic nanostructures.

Keywords: Organometallic nanostructure; self-assembly; metal ions; scanning tunneling microscopy; concentration (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0218625X16500207

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