| 학회 |
한국화학공학회 |
| 학술대회 |
2015년 가을 (10/21 ~ 10/23, 일산 KINTEX) |
| 권호 |
21권 2호, p.2170 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
An Aqueous-Phase Synthesis of Long Copper Nanowires |
| 초록 |
This work describes a simple and aqueous-phase route for synthesis of Cu nanowires (Cu NWs) having a long length of 140−180 µm, a high aspect ratio of more than 350, and long-term stability. High-quality Cu NWs were synthesized by reduction of CuCl2 with ascorbic acid in the presence of branched polyethyleneimine (BPEI) in an aqueous solution at 90 °C. The synthesized uniform Cu NWs showed long-term stability without the formation of Cu oxides on the surface of the NWs after being stored at room temperature for 40 days. Interestingly, we found that Cl− in the reacting solution played a key role in the formation of long Cu NWs. We also investigated the influence of various experimental conditions including the weight ratio of BPEI/CuCl2, the pH of the reacting solution, and the reaction temperature on the length, morphology, and stability of Cu NWs. |
| 저자 |
김우식1, 유태경2, Zengmin Tang3
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| 소속 |
1Department of Chemical Engineering, 2College of Engineering, 3Kyung Hee Univ. |
| 키워드 |
Cu nanowires; chloride; long-term stability; branched polyethyleneimine; aqueous-phase synthesis
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| E-Mail |
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| VOD |
VOD 보기 |
| 원문파일 |
초록 보기 |
