SYNTHESIS OF COPPER NANOWIRES BY HYDROTHERMAL METHOD

Nguyễn Thị Hồng Nhung; Chu Thị Lan Hương; Lưu Bá Hoàng Anh; Nguyễn Viết Bá; Nguyễn Thị Lan; Nguyễn Duy Cường

doi:10.34238/tnu-jst.10475

SYNTHESIS OF COPPER NANOWIRES BY HYDROTHERMAL METHOD

About this article

Received: 27/05/24 Revised: 10/07/24 Published: 11/07/24

Authors

1. Nguyen Thi Hong Nhung, Hanoi University of Science and Technology
2. Chu Thi Lan Huong, Hanoi University of Science and Technology
3. Luu Ba Hoang Anh, Hanoi University of Science and Technology
4. Nguyen Viet Ba, Hanoi University of Science and Technology
5. Nguyen Thi Lan, Hanoi University of Science and Technology
6. Nguyen Duy Cuong , Hanoi University of Science and Technology

Abstract

In this study, we focus on synthesizing copper nanowires through a simple method – the hydrothermal method. The effects of various factors such as the concentration of capping ligand – oleylamine, reducing agent – glucose, hydrothermal temperature, and hydrothermal time, will also be thoroughly investigated on the morphological and electrical properties of the copper nanowires. Based on the survey results, the optimal conditions for fabricating copper nanowires via hydrothermal methods are oleylamine of 8 mM; glucose of 80 mM glucose; a reaction temperature of 120 °C; and a hydrothermal time of 8 hours. The obtained copper nanowires exhibit high aspect ratios, with diameters ranging from 25 to 50 nm, and wire lengths can be up to 150 µm. After filtration, CuNW solution with a 20 mg/ml concentration was dispersed in isopropyl alcohol. This solution has potential applications as conductive ink for transparent conductive electrode fabrication based on copper nanowires.

Keywords

Copper nano wires; Hydrothermal; Temperature; Precursor concentration; Hydrothermal time

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DOI: https://doi.org/10.34238/tnu-jst.10475

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