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Title: A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst

Abstract

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.

Authors:
 [1];  [2];  [3]
  1. Universidad Autonoma de Madrid (Spain). Departamento de Fisica Aplicada and Instituto Nicolas Cabrera
  2. University of Turabo, Gurabo, PR (United States). Nanomaterials Research Group, School of Natural Sciences and Technology
  3. Universidad Autonoma de Madrid (Spain). Departamento de Fisica Aplicada and Instituto Nicolas Cabrera
Publication Date:
Research Org.:
University of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1335965
Alternate Identifier(s):
OSTI ID: 1358803
Grant/Contract Number:  
NA0000672; ENE2014-57977-C2-1-R
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Surface Science
Additional Journal Information:
Journal Volume: 387; Journal ID: ISSN 0169-4332
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Silica nanowires; Catalytic Cu centers; VLS process; CVD; Gaseous SiO species; Nanowires protective against Cu oxidation

Citation Formats

Gomez-Martinez, A., Márquez, F., and Morant, C. A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst. United States: N. p., 2016. Web. doi:10.1016/j.apsusc.2016.06.115.
Gomez-Martinez, A., Márquez, F., & Morant, C. A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst. United States. https://doi.org/10.1016/j.apsusc.2016.06.115
Gomez-Martinez, A., Márquez, F., and Morant, C. 2016. "A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst". United States. https://doi.org/10.1016/j.apsusc.2016.06.115. https://www.osti.gov/servlets/purl/1335965.
@article{osti_1335965,
title = {A new approach of the synthesis of SiO2 nanowires by using bulk copper foils as catalyst},
author = {Gomez-Martinez, A. and Márquez, F. and Morant, C.},
abstractNote = {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.},
doi = {10.1016/j.apsusc.2016.06.115},
url = {https://www.osti.gov/biblio/1335965}, journal = {Applied Surface Science},
issn = {0169-4332},
number = ,
volume = 387,
place = {United States},
year = {Wed Jun 22 00:00:00 EDT 2016},
month = {Wed Jun 22 00:00:00 EDT 2016}
}

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Cited by: 7 works
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Works referencing / citing this record:

Reaction intermediate-induced vapor–liquid–solid growth of silicon oxide nanowires
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Synthesis of amorphous SiO 2 nanowires by one-step low temperature hydrothermal process
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Synthesis of SiO2 Nanocrystals by Two Approaches and Their Application in Photocatalytic Degradation and Flame Retardant Polymeric Nanocomposite
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