Science in China Series B: Chemistry

, Volume 47, Issue 4, pp 320–325 | Cite as

Ordered arrays of semi-crown ligands on an Au(111) electrode surface: in situ STM study

  • Pan Gebo 
  • Li Huijing 
  • Yuan Qunhui 
  • Chen Yongjun 
  • Wan Lijun 
  • Bai Chunli 
Article
  • 32 Downloads

Abstract

In situ scanning tunneling microscopy (STM) and cyclic voltammetry were employed to investigate the adsorption structures of three semi-crown ligands on an Au(111) surface under the potential control. It is found that all the molecules formed ordered arrays in 0.1 mol/L HClO4 solution, although their geometric structures are complex and asymmetric. The driving force was supposed to come from the balance between intermolecular and molecule-substrate interactions. High resolution STM images revealed internal molecular structures, orientations and packing arrangements in the ordered adlayers. The results are useful for preparing ordered arrays of transition metal-mediated nanostructures.

Keywords

Au(111) cyclic voltammetry ordered array in situ STM 

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Copyright information

© Science in China Press 2004

Authors and Affiliations

  • Pan Gebo 
    • 1
  • Li Huijing 
    • 1
  • Yuan Qunhui 
    • 1
  • Chen Yongjun 
    • 1
  • Wan Lijun 
    • 1
  • Bai Chunli 
    • 1
  1. 1.Institute of ChemistryChinese Academy of SciencesBeijingChina

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