Self-Assembly of a Novel Cationic Porphyrin-Anthraquione Hybrid Investigated by Scanning Tunneling Microscopy

Abstract:

The self-assembly behaviour of a novel cationic porphyrin-anthraquione (Por-AQ) hybrid ([AQATMPyP]I3) on highly oriented pyrolytic graphite (HOPG) was studied at room temperature in air by scanning tunneling microscopy(STM). According to theoretical calculation, it is testified that [AQATMPyP]I3 molecule mainly exists in the closed structure. The STM results reveal the presence of large-scale domains of ordered adlayer of this hybrid compound on HOPG. The STM images show a structure constituted by parallel rows. The width of each row is approximately 2.5nm.

• Periodical: Advanced Materials Research (Volumes 148-149)
• Pages: 1273-1276
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.148-149.1273
• Online since: October 2010
• Authors: Ai Mei Gao, Wen Li Deng, Hong Yu Chen
• Keywords: HOPG, Self-Assembly Adlayer, STM

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DOI: 10.1021/ja992165h