Synthesis of oxidation-resistant electrochemical-active copper nanowires using phenylenediamine isomers
Phenylenediamine (PDA) was chosen as a coordinating, reducing, and capping agent to effectively direct growth and protect against oxidation of Cu nanowires (Cu NWs) in an aqueous solution. PDA was found to reduce Cu (II) to Cu (I) at room temperature, and stabilize the resulting Cu (I) by forming a coordination complex. The presence of a stable, intermediate Cu (I) complex is an essential step in the synthesis of Cu NWs under mild conditions. Incorporation of different PDA isomers leads to different growth paths of forming Cu NWs. Both pPDA and mPDA-synthesized Cu NWs are covered with a thin layer of polyphenylenediamine and show excellent oxidation-resistant in boiling water (3 days), and long-term stability in water at room temperature (10 months). The polyPDA-coated Cu NWs are electrochemically active even after a long-term storage in water. The usefulness of the oxidation-resistant electrochemical-active Cu NWs prepared here for a variety of nanotechnology applications is discussed.
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- Materials
- 4017 Mechanical engineering
- 4016 Materials engineering
- 0913 Mechanical Engineering
- 0912 Materials Engineering
- 0910 Manufacturing Engineering
Citation
Published In
DOI
EISSN
ISSN
Publication Date
Volume
Start / End Page
Related Subject Headings
- Materials
- 4017 Mechanical engineering
- 4016 Materials engineering
- 0913 Mechanical Engineering
- 0912 Materials Engineering
- 0910 Manufacturing Engineering