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One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables

Nanocables with a single-wall carbon nanotube (SWCNT) core and a ZnS shell were directly synthesized in one step through a thermal reaction method by using carbon, Zn, and FeS powder as starting materials. The as-fabricated nanocables were studied using scanning electron microscopy, transmission ele...

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Detalles Bibliográficos
Autores principales: Zhang, Yanli, He, Xiangming, Wang, Li, Gao, Jian, Li, Jianjun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457096/
https://www.ncbi.nlm.nih.gov/pubmed/28773837
http://dx.doi.org/10.3390/ma9090718
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author Zhang, Yanli
He, Xiangming
Wang, Li
Gao, Jian
Li, Jianjun
author_facet Zhang, Yanli
He, Xiangming
Wang, Li
Gao, Jian
Li, Jianjun
author_sort Zhang, Yanli
collection PubMed
description Nanocables with a single-wall carbon nanotube (SWCNT) core and a ZnS shell were directly synthesized in one step through a thermal reaction method by using carbon, Zn, and FeS powder as starting materials. The as-fabricated nanocables were studied using scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. The nanocables have diameters of ~50 nm, lengths of several micrometers, and shell thickness of ~20 nm. TEM analysis revealed that the shell is polycrystalline wurtzite-type ZnS with good crystallinity, and the core of the nanocables is one to several SWCNTs. Raman results showed that the diameters of SWCNTs core are mainly distributed at 1.28 and 1.16 nm, with high quality and metallic character. A growth mechanism is proposed to explain the formation of the nanocables. This simple method may be applied to other SWCNTs-metal sulfide nanocables, which may have potential applications in photocatalysts, photocurrent, and other optical-electrical devices.
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spelling pubmed-54570962017-07-28 One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables Zhang, Yanli He, Xiangming Wang, Li Gao, Jian Li, Jianjun Materials (Basel) Article Nanocables with a single-wall carbon nanotube (SWCNT) core and a ZnS shell were directly synthesized in one step through a thermal reaction method by using carbon, Zn, and FeS powder as starting materials. The as-fabricated nanocables were studied using scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. The nanocables have diameters of ~50 nm, lengths of several micrometers, and shell thickness of ~20 nm. TEM analysis revealed that the shell is polycrystalline wurtzite-type ZnS with good crystallinity, and the core of the nanocables is one to several SWCNTs. Raman results showed that the diameters of SWCNTs core are mainly distributed at 1.28 and 1.16 nm, with high quality and metallic character. A growth mechanism is proposed to explain the formation of the nanocables. This simple method may be applied to other SWCNTs-metal sulfide nanocables, which may have potential applications in photocatalysts, photocurrent, and other optical-electrical devices. MDPI 2016-08-24 /pmc/articles/PMC5457096/ /pubmed/28773837 http://dx.doi.org/10.3390/ma9090718 Text en © 2016 by the authors; Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zhang, Yanli
He, Xiangming
Wang, Li
Gao, Jian
Li, Jianjun
One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title_full One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title_fullStr One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title_full_unstemmed One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title_short One-Step Synthesis of Single-Wall Carbon Nanotube-ZnS Core-Shell Nanocables
title_sort one-step synthesis of single-wall carbon nanotube-zns core-shell nanocables
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457096/
https://www.ncbi.nlm.nih.gov/pubmed/28773837
http://dx.doi.org/10.3390/ma9090718
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