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Synthesis and characterization of carbon-coated wustite nanoparticles.

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Title: Synthesis and characterization of carbon-coated wustite nanoparticles.
Authors: Spivakov, Aleksandr A.1 (AUTHOR), Lin, Chun-Rong1 (AUTHOR) crlin@mail.nptu.edu.tw, Jhang, Cheng-Jhih1 (AUTHOR), Tsai, Yih-Jaan1 (AUTHOR), Tseng, Yaw-Teng1 (AUTHOR)
Source: Materials Letters. Aug2019, Vol. 249, p147-150. 4p.
Subjects: Magnetite, Lead time (Supply chain management), Nanoparticle synthesis, Raman spectroscopy, Stoichiometry, Nanoparticles
Abstract: • The stoichiometry of wustite can be changed by the change of synthesis time. • The influence of the synthesis conditions on a carbon shell has been studied. • The purity of wustite nanoparticles is dependent on the synthesis time. Carbon-coated wustite nanoparticles (Fe 1− x O@C) were synthesized by a one-step process of thermal decomposition at temperature 400 °C and the reaction time varied from 1 to 3 h. The results show that when the synthesis time (t S) is 1 h and 1.5 h, magnetite nanoparticles are formed alongside wustite, and an increase in the reaction time leads to the formation of phase-pure wustite nanoparticles with a carbon shell. The results of Raman spectroscopy indicate that the crystallinity of the carbon shell increases with increasing synthesis time. In addition, an increase in synthesis time influence on the value of the deviation from stoichiometry, which varies from 0.079 for the sample with t S = 1 h – 0.129 for the sample with t S = 3 h. [ABSTRACT FROM AUTHOR]
Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 136389415
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  Data: Synthesis and characterization of carbon-coated wustite nanoparticles.
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  Data: <searchLink fieldCode="AR" term="%22Spivakov%2C+Aleksandr+A%2E%22">Spivakov, Aleksandr A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Chun-Rong%22">Lin, Chun-Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> crlin@mail.nptu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Jhang%2C+Cheng-Jhih%22">Jhang, Cheng-Jhih</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsai%2C+Yih-Jaan%22">Tsai, Yih-Jaan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tseng%2C+Yaw-Teng%22">Tseng, Yaw-Teng</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+Letters%22">Materials Letters</searchLink>. Aug2019, Vol. 249, p147-150. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Magnetite%22">Magnetite</searchLink><br /><searchLink fieldCode="DE" term="%22Lead+time+%28Supply+chain+management%29%22">Lead time (Supply chain management)</searchLink><br /><searchLink fieldCode="DE" term="%22Nanoparticle+synthesis%22">Nanoparticle synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Stoichiometry%22">Stoichiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: • The stoichiometry of wustite can be changed by the change of synthesis time. • The influence of the synthesis conditions on a carbon shell has been studied. • The purity of wustite nanoparticles is dependent on the synthesis time. Carbon-coated wustite nanoparticles (Fe 1− x O@C) were synthesized by a one-step process of thermal decomposition at temperature 400 °C and the reaction time varied from 1 to 3 h. The results show that when the synthesis time (t S) is 1 h and 1.5 h, magnetite nanoparticles are formed alongside wustite, and an increase in the reaction time leads to the formation of phase-pure wustite nanoparticles with a carbon shell. The results of Raman spectroscopy indicate that the crystallinity of the carbon shell increases with increasing synthesis time. In addition, an increase in synthesis time influence on the value of the deviation from stoichiometry, which varies from 0.079 for the sample with t S = 1 h – 0.129 for the sample with t S = 3 h. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.matlet.2019.04.070
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      – Code: eng
        Text: English
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        StartPage: 147
    Subjects:
      – SubjectFull: Magnetite
        Type: general
      – SubjectFull: Lead time (Supply chain management)
        Type: general
      – SubjectFull: Nanoparticle synthesis
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      – SubjectFull: Raman spectroscopy
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      – SubjectFull: Stoichiometry
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      – SubjectFull: Nanoparticles
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      – TitleFull: Synthesis and characterization of carbon-coated wustite nanoparticles.
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            NameFull: Spivakov, Aleksandr A.
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            NameFull: Lin, Chun-Rong
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            NameFull: Jhang, Cheng-Jhih
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              Text: Aug2019
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              Y: 2019
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