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

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Title
Restructuring of Porphyrin Networks Driven by Self-Assembled Octanoic Acid Monolayer on Au(111)
Author(s)
Yongman Kim; Youngjae Kim; Jeong Young Park
Publication Date
2020-04
Journal
LANGMUIR, v.36, no.14, pp.3792 - 3797
Publisher
AMER CHEMICAL SOC
Abstract
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
URI
https://pr.ibs.re.kr/handle/8788114/8959
DOI
10.1021/acs.langmuir.0c00333
ISSN
0743-7463
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > 1. Journal Papers (저널논문)
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