Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides

Tomohiro Tojo, Masaki Shinohara, Kazunori Fujisawa, Hiroyuki Muramatsu, Takuya Hayashi, Yoong Ahm Kim, Morinobu Endo

Research output: Contribution to journalArticle

Abstract

Through coating with graphene oxides, we have developed a chemical route to the bulk production of long, thin manganese oxide (MnO 2) nanowires that have high electrical conductivity. The average diameter of these hybrid nanowires is about 25 nm, and their average length is about 800 nm. The high electrical conductivity of these nanowires (ca. 189.51 ± 4.51 μS) is ascribed to the homogeneous coating with conductive graphene oxides as well as the presence of non-bonding manganese atoms. The growth mechanism of the nanowires is theoretically supported by the initiation of morphological conversion from graphene oxide to wrapped structures through the formation of covalent bonds between manganese and oxygen atoms at the graphene oxide edge.

Original languageEnglish (US)
Article number105001
JournalApplied Physics Express
Volume5
Issue number10
DOIs
StatePublished - Oct 1 2012

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Manganese oxide
manganese oxides
Graphene
Nanowires
graphene
nanowires
wire
Wire
coatings
Coatings
Oxides
oxides
Manganese
manganese
Atoms
electrical resistivity
Covalent bonds
covalent bonds
atoms
oxygen atoms

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Tojo, T., Shinohara, M., Fujisawa, K., Muramatsu, H., Hayashi, T., Kim, Y. A., & Endo, M. (2012). Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides. Applied Physics Express, 5(10), [105001]. https://doi.org/10.1143/APEX.5.105001
Tojo, Tomohiro ; Shinohara, Masaki ; Fujisawa, Kazunori ; Muramatsu, Hiroyuki ; Hayashi, Takuya ; Kim, Yoong Ahm ; Endo, Morinobu. / Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides. In: Applied Physics Express. 2012 ; Vol. 5, No. 10.
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Tojo, T, Shinohara, M, Fujisawa, K, Muramatsu, H, Hayashi, T, Kim, YA & Endo, M 2012, 'Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides', Applied Physics Express, vol. 5, no. 10, 105001. https://doi.org/10.1143/APEX.5.105001

Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides. / Tojo, Tomohiro; Shinohara, Masaki; Fujisawa, Kazunori; Muramatsu, Hiroyuki; Hayashi, Takuya; Kim, Yoong Ahm; Endo, Morinobu.

In: Applied Physics Express, Vol. 5, No. 10, 105001, 01.10.2012.

Research output: Contribution to journalArticle

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AU - Tojo, Tomohiro

AU - Shinohara, Masaki

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AU - Hayashi, Takuya

AU - Kim, Yoong Ahm

AU - Endo, Morinobu

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Tojo T, Shinohara M, Fujisawa K, Muramatsu H, Hayashi T, Kim YA et al. Highly conductive one-dimensional manganese oxide wires by coating with graphene oxides. Applied Physics Express. 2012 Oct 1;5(10). 105001. https://doi.org/10.1143/APEX.5.105001