Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating

T. Tokunaga; T. Kanematsu; T. Ota; K. Sasaki; T. Yamamoto; Y. Hayashi

doi:10.1109/NMDC.2013.6707468

Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating

T. Tokunaga, T. Kanematsu, T. Ota, K. Sasaki, T. Yamamoto, Y. Hayashi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In situ environmental transmission electron microscopy (ETEM) observation was used to reveal Sn inside Sn-filled carbon nanofibers (CNFs) during heating. Before and during heating, the Sn was covered completely by CNFs. The volume of Sn present in the Sn-filled CNFs gradually decreased during heating, with new Sn particles appearing at the top of the Sn-filled CNFs. It is thought that Sn diffused out of the Sn-filled CNFs and into the carbon wall of the metal-filled CNFs (MFCNFs). The specific surface area at the top of Sn-filled CNFs is higher specific surface than that at other parts and the temperature at the top of the MFCNF is lower than that at other parts; therefore, diffused Sn particles were formed at only the top of the Sn-filled CNF. Fabrication of Sn metal particles was tried by heating the Sn-filled CNFs, and it was clear that the metal particle size could be controlled by controlling the heating time.

Original language	English
Title of host publication	IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013
Publisher	IEEE Computer Society
Pages	5-8
Number of pages	4
ISBN (Print)	9781479933877
DOIs	https://doi.org/10.1109/NMDC.2013.6707468
Publication status	Published - Jan 1 2013
Event	2013 IEEE 8th Nanotechnology Materials and Devices Conference, IEEE NMDC 2013 - Tainan, Taiwan, Province of China Duration: Oct 6 2013 → Oct 9 2013

Publication series

Name	IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013

Other

Other	2013 IEEE 8th Nanotechnology Materials and Devices Conference, IEEE NMDC 2013
Country	Taiwan, Province of China
City	Tainan
Period	10/6/13 → 10/9/13

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ASJC Scopus subject areas

Mechanics of Materials

Cite this

Tokunaga, T., Kanematsu, T., Ota, T., Sasaki, K., Yamamoto, T., & Hayashi, Y. (2013). Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating. In IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013 (pp. 5-8). [6707468] (IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013). IEEE Computer Society. https://doi.org/10.1109/NMDC.2013.6707468

Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating. / Tokunaga, T.; Kanematsu, T.; Ota, T.; Sasaki, K.; Yamamoto, T.; Hayashi, Y.

IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013. IEEE Computer Society, 2013. p. 5-8 6707468 (IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tokunaga, T, Kanematsu, T, Ota, T, Sasaki, K, Yamamoto, T & Hayashi, Y 2013, Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating. in IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013., 6707468, IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013, IEEE Computer Society, pp. 5-8, 2013 IEEE 8th Nanotechnology Materials and Devices Conference, IEEE NMDC 2013, Tainan, Taiwan, Province of China, 10/6/13. https://doi.org/10.1109/NMDC.2013.6707468

Tokunaga T, Kanematsu T, Ota T, Sasaki K, Yamamoto T, Hayashi Y. Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating. In IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013. IEEE Computer Society. 2013. p. 5-8. 6707468. (IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013). https://doi.org/10.1109/NMDC.2013.6707468

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title = "Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating",

abstract = "In situ environmental transmission electron microscopy (ETEM) observation was used to reveal Sn inside Sn-filled carbon nanofibers (CNFs) during heating. Before and during heating, the Sn was covered completely by CNFs. The volume of Sn present in the Sn-filled CNFs gradually decreased during heating, with new Sn particles appearing at the top of the Sn-filled CNFs. It is thought that Sn diffused out of the Sn-filled CNFs and into the carbon wall of the metal-filled CNFs (MFCNFs). The specific surface area at the top of Sn-filled CNFs is higher specific surface than that at other parts and the temperature at the top of the MFCNF is lower than that at other parts; therefore, diffused Sn particles were formed at only the top of the Sn-filled CNF. Fabrication of Sn metal particles was tried by heating the Sn-filled CNFs, and it was clear that the metal particle size could be controlled by controlling the heating time.",

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AU - Yamamoto, T.

AU - Hayashi, Y.

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N2 - In situ environmental transmission electron microscopy (ETEM) observation was used to reveal Sn inside Sn-filled carbon nanofibers (CNFs) during heating. Before and during heating, the Sn was covered completely by CNFs. The volume of Sn present in the Sn-filled CNFs gradually decreased during heating, with new Sn particles appearing at the top of the Sn-filled CNFs. It is thought that Sn diffused out of the Sn-filled CNFs and into the carbon wall of the metal-filled CNFs (MFCNFs). The specific surface area at the top of Sn-filled CNFs is higher specific surface than that at other parts and the temperature at the top of the MFCNF is lower than that at other parts; therefore, diffused Sn particles were formed at only the top of the Sn-filled CNF. Fabrication of Sn metal particles was tried by heating the Sn-filled CNFs, and it was clear that the metal particle size could be controlled by controlling the heating time.

AB - In situ environmental transmission electron microscopy (ETEM) observation was used to reveal Sn inside Sn-filled carbon nanofibers (CNFs) during heating. Before and during heating, the Sn was covered completely by CNFs. The volume of Sn present in the Sn-filled CNFs gradually decreased during heating, with new Sn particles appearing at the top of the Sn-filled CNFs. It is thought that Sn diffused out of the Sn-filled CNFs and into the carbon wall of the metal-filled CNFs (MFCNFs). The specific surface area at the top of Sn-filled CNFs is higher specific surface than that at other parts and the temperature at the top of the MFCNF is lower than that at other parts; therefore, diffused Sn particles were formed at only the top of the Sn-filled CNF. Fabrication of Sn metal particles was tried by heating the Sn-filled CNFs, and it was clear that the metal particle size could be controlled by controlling the heating time.

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Access to Document

10.1109/NMDC.2013.6707468