Thermodynamic Self-Assembly of Two-Dimensional φ-Conjugated Metal-Porphyrin Covalent Organic Frameworks by "On-Site" Equilibrium Polymerization

Ryota Tanoue, Rintaro Higuchi, Kiryu Ikebe, Shinobu Uemura, Nobuo Kimizuka, Adam Z. Stieg, James K. Gimzewski, Masashi Kunitake

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Two-dimensional-conjugated metal-porphyrin covalent organic frameworks were produced in aqueous solution on an iodine-modified Au(111) surface by "on-site" azomethine coupling of FeIII- 5,10,15,20-tetrakis(4- aminophenyl)porphyrin (FeTAPP) with terephthal dicarboxaldehyde and investigated in detail using in-situ scanning tunneling microscopy. Mixed covalent organic porphyrin frameworks consisting of FeTAPP and metal-free TAPP (H2TAPP) were prepared through simultaneous adsorption in a mixed solution as well as partial replacement of FeTAPP by H2TAPP in an as-prepared metal-porphyrin framework. In the mixed framework, the relative distribution of FeTAPP to H2TAPP was not random and revealed a preference for homo-connection rather than heteroconnection. The construction of substrate-supported,-conjugated covalent frameworks from multiple building blocks, including metal centers, will be of significant utility in the design of functional molecular nanoarchitectures

Original languageEnglish
Pages (from-to)2211-2216
Number of pages6
JournalJournal of nanoscience and nanotechnology
Volume14
Issue number3
DOIs
Publication statusPublished - Mar 1 2014

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Porphyrins
Thermodynamics
porphyrins
Polymerization
Self assembly
self assembly
polymerization
Metals
thermodynamics
metals
Scanning Tunnelling Microscopy
Scanning tunneling microscopy
Iodine
Adsorption
iodine
scanning tunneling microscopy
aqueous solutions
adsorption
Substrates

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Thermodynamic Self-Assembly of Two-Dimensional φ-Conjugated Metal-Porphyrin Covalent Organic Frameworks by "On-Site" Equilibrium Polymerization. / Tanoue, Ryota; Higuchi, Rintaro; Ikebe, Kiryu; Uemura, Shinobu; Kimizuka, Nobuo; Stieg, Adam Z.; Gimzewski, James K.; Kunitake, Masashi.

In: Journal of nanoscience and nanotechnology, Vol. 14, No. 3, 01.03.2014, p. 2211-2216.

Research output: Contribution to journalArticle

Tanoue, Ryota ; Higuchi, Rintaro ; Ikebe, Kiryu ; Uemura, Shinobu ; Kimizuka, Nobuo ; Stieg, Adam Z. ; Gimzewski, James K. ; Kunitake, Masashi. / Thermodynamic Self-Assembly of Two-Dimensional φ-Conjugated Metal-Porphyrin Covalent Organic Frameworks by "On-Site" Equilibrium Polymerization. In: Journal of nanoscience and nanotechnology. 2014 ; Vol. 14, No. 3. pp. 2211-2216.
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