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American Chemical Society, Langmuir, 1(29), p. 264-270, 2012

DOI: 10.1021/la3042742

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In Situ Scanning Tunneling Microscopy Investigation of Subphthalocyanine and Subnaphthalocyanine Adlayers on a Au(111) Electrode

Journal article published in 2012 by Jing-Ying Gu, Bo Cui, Ting Chen, Hui-Juan Yan, Dong Wang ORCID, Li-Jun Wan
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

The adsorption behaviors of subphthalocyanine (SubPc) and subnaphthalocyanine (SubNc) on the Au(111) surface were investigated by electrochemical scanning tunneling microscopy (ECSTM). Two types of ordered adlayer structures of SubPc were observed at 550 mV vs reversible hydrogen electrode (RHE). All the SubPc molecules take the Cl-down adsorption configuration on Au(111) in both structures. The ordered adlayers exist in the potential range between 350 mV and 650 mV. The SubNc molecules adsorb on Au(111) in a less ordered pattern than the SubPc molecules. The present work provides direct evidence for understanding the potential-controlled adsorption behaviors of SubPc and SubNc on the Au(111) surface.