Noncovalent porphyrin-functionalized single-walled carbon nanotubes in solution and the formation of porphyrin-nanotube nanocomposites

Hiroto Murakami, Takuro Nomura, Naotoshi Nakashima

Research output: Contribution to journalArticle

360 Citations (Scopus)

Abstract

Porphyrins are functional dyes with a variety of unique physical (photophysical), chemical and biological properties. We report on the first finding that porphyrin molecules dissolve single-walled carbon nanotubes (SWNTs) in organic solutions and that the SWNTs-porphyrin hybrid nanomaterials can be separated from the solutions. Atomic force microscope investigation revealed that both individually dissolved nanotubes and bundled nanotubes coexisted in the solution. The solid purified SWNTs (p-SWNTs)-porphyrin nanomaterials were readily separated from the p-SWNTs-porphyrin solution, and this nanomaterial was re-dissolvable in DMF. Measurements of its fluorescence spectrum gave evidence for the interaction between the nanotube sidewall and porphyrin molecules in solution.

Original languageEnglish
Pages (from-to)481-485
Number of pages5
JournalChemical Physics Letters
Volume378
Issue number5-6
DOIs
Publication statusPublished - Sep 12 2003

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Porphyrins
Single-walled carbon nanotubes (SWCN)
porphyrins
Nanotubes
nanotubes
Nanocomposites
nanocomposites
carbon nanotubes
Nanostructured materials
Molecules
chemical properties
molecules
Microscopes
Coloring Agents
dyes
Fluorescence
microscopes
fluorescence
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Noncovalent porphyrin-functionalized single-walled carbon nanotubes in solution and the formation of porphyrin-nanotube nanocomposites. / Murakami, Hiroto; Nomura, Takuro; Nakashima, Naotoshi.

In: Chemical Physics Letters, Vol. 378, No. 5-6, 12.09.2003, p. 481-485.

Research output: Contribution to journalArticle

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