A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst
Journal Article
·
· Applied Surface Science
- Universidad Autonoma de Madrid (Spain). Departamento de Fisica Aplicada and Instituto Nicolas Cabrera
- University of Turabo, Gurabo, PR (United States). Nanomaterials Research Group, School of Natural Sciences and Technology
- Universidad Autonoma de Madrid (Spain). Departamento de Fisica Aplicada and Instituto Nicolas Cabrera
In this paper, a novel procedure for the growth of SiO2 nanowires (SiO2NWs) directly from polycrystalline copper foils is reported. The single-step synthesis procedure consists of a thermal treatment at 900°C without the need for additional catalysts. As a result, nanowires with an average diameter of 100 nm are synthesized. A systematic study undertaken at different stages of the SiO2NWs growth confirmed the generation of nucleation centers on the Cu surface, as well as revealed the existence of an intermediate gaseous SiO species at the synthesis temperature. Lastly, on the basis of these evidences, the vapor-liquid-solid (VLS) route has been proposed as the mechanism responsible for the growth.
- Research Organization:
- University of Rochester, NY (United States). Lab. for Laser Energetics
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- NA0000672; ENE2014-57977-C2-1-R
- OSTI ID:
- 1335965
- Alternate ID(s):
- OSTI ID: 1358803
- Journal Information:
- Applied Surface Science, Vol. 387; ISSN 0169-4332
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 7 works
Citation information provided by
Web of Science
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