Restructuring of Porphyrin Networks Driven by Self-Assembled Octanoic Acid Monolayer on Au(111)

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We report time-dependent surface restructuring of bicomponent domain structures of 2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphine (H2OEP) and cobalt(II) 2,3,7,8,12,13,17,18-octaethyl-21H,23H-porphine (CoOEP) (H-2/Co OEP) driven by self-assembled octanoic acid on the surface of Au(111). Scanning tunneling microscopy (STM) visualized molecular adsorption/desorption and rearrangement of supramolecular architectures in real-time in a solution of octanoic acid. We found that unique domain structures emerged at an initial state guided by adsorbed octanoic acid on the Au surface. Moreover, the desorption of octanoic acid occurred in solution, leading to the surface restructuring of porphyrin molecular networks. This molecular evidence is well- manifested in the time-dependent phase transitions, monitored by in situ STM.
Publisher
AMER CHEMICAL SOC
Issue Date
2020-04
Language
English
Article Type
Article
Citation

LANGMUIR, v.36, no.14, pp.3792 - 3797

ISSN
0743-7463
DOI
10.1021/acs.langmuir.0c00333
URI
http://hdl.handle.net/10203/274140
Appears in Collection
CH-Journal Papers(저널논문)
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