Synthesis of copper nanocolloids using a continuous flow based microreactor

Lei Xu; Jinhui Peng; C. Srinivasakannan; Guo Chen; Amy Q. Shen

doi:10.1016/j.apsusc.2015.07.070

Synthesis of copper nanocolloids using a continuous flow based microreactor

Lei Xu, Jinhui Peng, C. Srinivasakannan, Guo Chen, Amy Q. Shen

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

The copper (Cu) nanocolloids were prepared by sodium borohydride (NaBH ₄ ) reduction of metal salt solutions in a T-shaped microreactor at room temperature. The influence of NaBH ₄ molar concentrations on copper particle's diameter, morphology, size distribution, and elemental compositions has been investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The ultraviolet-visible spectroscopy (UV-vis) was used to verify the chemical compounds of nanocolloids and estimate the average size of copper nanocolloids. The synthesized copper nanocolloids were uniform in size and non-oxidized. A decrease in the mean diameter of copper nanocolloids was observed with increasing NaBH ₄ molar concentrations. The maximum mean diameter (4.25 nm) occurred at the CuSO ₄ /NaBH ₄ molar concentration ratio of 1:2.

Original language	English (US)
Pages (from-to)	1-6
Number of pages	6
Journal	Applied Surface Science
Volume	355
DOIs	https://doi.org/10.1016/j.apsusc.2015.07.070
State	Published - Nov 15 2015

Keywords

Copper nanocolloids
Microreactor
Sodium borohydride reduction
Synthesis

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.apsusc.2015.07.070

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title = "Synthesis of copper nanocolloids using a continuous flow based microreactor",

abstract = " The copper (Cu) nanocolloids were prepared by sodium borohydride (NaBH 4 ) reduction of metal salt solutions in a T-shaped microreactor at room temperature. The influence of NaBH 4 molar concentrations on copper particle's diameter, morphology, size distribution, and elemental compositions has been investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The ultraviolet-visible spectroscopy (UV-vis) was used to verify the chemical compounds of nanocolloids and estimate the average size of copper nanocolloids. The synthesized copper nanocolloids were uniform in size and non-oxidized. A decrease in the mean diameter of copper nanocolloids was observed with increasing NaBH 4 molar concentrations. The maximum mean diameter (4.25 nm) occurred at the CuSO 4 /NaBH 4 molar concentration ratio of 1:2. ",

keywords = "Copper nanocolloids, Microreactor, Sodium borohydride reduction, Synthesis",

author = "Lei Xu and Jinhui Peng and C. Srinivasakannan and Guo Chen and Shen, {Amy Q.}",

note = "Funding Information: This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51204081 and U1302271 ), and by China Scholarship Council (No. 2011853521 ), and by Yunnan Provincial Science and Technology Innovation Talents scheme – Technological Leading Talent of China (Nos. 2013HA002 ), and by Applied Basic Research Project of Yunnan Province of China (Grant Nos. 2013FZ008 ), and by Yunnan Provincial Department of Education Research Fund of China (Grant Nos. 2013Z118 ). Publisher Copyright: {\textcopyright} 2015 Elsevier B.V. All rights reserved. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.",

year = "2015",

month = nov,

day = "15",

doi = "10.1016/j.apsusc.2015.07.070",

language = "English (US)",

volume = "355",

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journal = "Applied Surface Science",

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T1 - Synthesis of copper nanocolloids using a continuous flow based microreactor

AU - Xu, Lei

AU - Peng, Jinhui

AU - Srinivasakannan, C.

AU - Chen, Guo

AU - Shen, Amy Q.

N1 - Funding Information: This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51204081 and U1302271 ), and by China Scholarship Council (No. 2011853521 ), and by Yunnan Provincial Science and Technology Innovation Talents scheme – Technological Leading Talent of China (Nos. 2013HA002 ), and by Applied Basic Research Project of Yunnan Province of China (Grant Nos. 2013FZ008 ), and by Yunnan Provincial Department of Education Research Fund of China (Grant Nos. 2013Z118 ). Publisher Copyright: © 2015 Elsevier B.V. All rights reserved. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.

PY - 2015/11/15

Y1 - 2015/11/15

N2 - The copper (Cu) nanocolloids were prepared by sodium borohydride (NaBH 4 ) reduction of metal salt solutions in a T-shaped microreactor at room temperature. The influence of NaBH 4 molar concentrations on copper particle's diameter, morphology, size distribution, and elemental compositions has been investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The ultraviolet-visible spectroscopy (UV-vis) was used to verify the chemical compounds of nanocolloids and estimate the average size of copper nanocolloids. The synthesized copper nanocolloids were uniform in size and non-oxidized. A decrease in the mean diameter of copper nanocolloids was observed with increasing NaBH 4 molar concentrations. The maximum mean diameter (4.25 nm) occurred at the CuSO 4 /NaBH 4 molar concentration ratio of 1:2.

AB - The copper (Cu) nanocolloids were prepared by sodium borohydride (NaBH 4 ) reduction of metal salt solutions in a T-shaped microreactor at room temperature. The influence of NaBH 4 molar concentrations on copper particle's diameter, morphology, size distribution, and elemental compositions has been investigated by transmission electron microscopy (TEM) and X-ray diffraction (XRD). The ultraviolet-visible spectroscopy (UV-vis) was used to verify the chemical compounds of nanocolloids and estimate the average size of copper nanocolloids. The synthesized copper nanocolloids were uniform in size and non-oxidized. A decrease in the mean diameter of copper nanocolloids was observed with increasing NaBH 4 molar concentrations. The maximum mean diameter (4.25 nm) occurred at the CuSO 4 /NaBH 4 molar concentration ratio of 1:2.

KW - Copper nanocolloids

KW - Microreactor

KW - Sodium borohydride reduction

KW - Synthesis

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Synthesis of copper nanocolloids using a continuous flow based microreactor

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Keywords

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