Low-temperature plasma-assisted growth of germanium nanorods

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题名:	Low-temperature plasma-assisted growth of germanium nanorods
作者:	陳一塵;Wang, Yu-Cian;Chen, I-Chen
贡献者:	工學院材料科學與工程研究所
日期:	2014-04-14
上传时间:	2026-04-23 11:38:41 (UTC+8)
出版者:	Royal Society of Chemistry
摘要:	摘要： Plasma-assisted growth of germanium nanorods (Ge-NRs) was performed in electron cyclotron resonance (ECR) plasma with a GeH 4 -H 2 -CF 4 system using indium nanocrystals as seed particles via the vapor-liquid-solid mechanism. The addition of CF 4 was found to be a key factor facilitating low temperature growth of Ge-NRs as it promoted efficient etching of competing surface deposition of Ge, which would lead to the formation of Ge crusts on the surface of indium droplets and thus retard nanorod growth. The effective growth of crystalline Ge-NRs at temperatures as low as 170 °C has been achieved. A systematic study of the diameter dependence of the nanorod growth rate is presented. The growth rate increases with increasing Ge-NR diameter. The results suggest that the direct impingement of growth species on indium liquid droplets is the dominant factor for nanorod growth, indicating that the growth rate is governed by the Gibbs-Thomson effect. Growth of germanium nanorods has been achieved below 200 °C in a GeH 4 -H 2 -CF 4 plasma system via the vapor-liquid-solid mechanism. 出版日期： 2014-03-10 資源來源： Royal Society of Chemistry 識別號： EISSN: 1466-8033 識別號： DOI: 10.1039/c3ce42120a
显示于类别:	[材料科學與工程研究所 ] 期刊論文

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