Highly Conductive One-Dimensional Manganese Oxide Wires by Coating with Graphene Oxides

被引：1

作者：

Tojo, Tomohiro ^{[1
]}

Shinohara, Masaki ^{[1
]}

Fujisawa, Kazunori ^{[1
]}

Muramatsu, Hiroyuki ^{[2
]}

Hayashi, Takuya ^{[1
]}

Kim, Yoong Ahm ^{[1
]}

Endo, Morinobu ^{[3
]}

机构：

[1] Shinshu Univ, Fac Engn, Nagano 3808553, Japan

[2] Nagaoka Univ Technol, Dept Mat Sci & Technol, Nagaoka, Niigata 9402188, Japan

[3] Shinshu Univ, Res Ctr Exot Nanocarbons JST, Nagano 3808553, Japan

来源：

APPLIED PHYSICS EXPRESS | 2012年 / 5卷 / 10期

关键词：

ELECTROCHEMICAL CAPACITORS; CRYPTOMELANE NANOMATERIALS; RAMAN-SPECTROSCOPY; ENERGY-STORAGE; SIZE CONTROL; MNO2; NANOWIRES; GROWTH; ALPHA-MNO2; ELECTRODES;

D O I：

10.1143/APEX.5.105001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Through coating with graphene oxides, we have developed a chemical route to the bulk production of long, thin manganese oxide (MnO2) 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 mu S) 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. (C) 2012 The Japan Society of Applied Physics

引用

页数：3

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