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Bamboo-like Te Nanotubes with Tailored Dimensions Synthesized from Segmental NiFe Nanowires as Sacrificial Templates

Articles

Journal/Conference:

BULLETIN OF THE KOREAN CHEMICAL SOCIETY

Language:

English

Author:

Suh Hoyoung; Jung Hyun Sung; Myung Nosang V.; Hong Kimin

Year:

2014

Volume:

35

Issue:

11

Pages:

3227-3231

Keywords:

Galvanic displacement reaction; Bamboo-like Te nanotube; Segmental NiFe nanowire; Overpotential deposition

Bamboo-like Te nanotubes were synthesized via the galvanic displacement reaction of NiFe nanowires with Ni-rich and Fe-rich segments. The thick and thin components of the synthesized Te nanotubes were converted from the Ni-rich and Fe-rich segments in the NiFe nanowires respectively. The dimensions of the Te nanotubes were controlled by employing sacrificial NiFe nanowires with tailored dimensions as the template for the galvanic displacement reaction. The segment lengths of the Te nanotubes were found to be dependent on those of the sacrificial NiFe nanowires. The galvanic displacement reaction was characterized by analyzing the open circuit potential and the corrosion resistance.