Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell

H. Y. Kang, Hong-Paul Wang, C. H. Huang, C. K. Tsai, C. J.G. Jou, U. Ser Jeng, Chun Hun Su

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Small angle X-ray scattering (SAXS) is a very useful method in studies of electron density distributions of nanoparticles. The formation mechanism of nanosize copper-silver encapsulated in the inert carbon shell (Cu/Ag@C) has been studied by in-situ synchrotron SAXS spectroscopy. The SAXS spectra have been determined during the temperature-dependent formation of the nanosize Cu/Ag@C. A detailed structural changes corresponding to the growth of the Cu/Ag nanoparticles as the Ag + - and Cu 2+ - β-cyclodextrin (β-CD) complexes are carbonized at the temperature range of 363-513 K. By controlling the molar ratios of OH on β-CD to metal, the desired size (i.e., ranged from 7 to 40 nm) can be synthesized. A rapid growth of the Cu/Ag nanoparticles occurs at 393-423 K. The diameter of the complete growth of the Cu/Ag@C nanoparticles is in the range of 20-26 nm with the carbon shell thicknesses of 3-5 nm.

Original languageEnglish
Title of host publicationNanotechnology 2010
Subtitle of host publicationAdvanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Pages417-420
Number of pages4
Publication statusPublished - 2010 Nov 9
EventNanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010 - Anaheim, CA, United States
Duration: 2010 Jun 212010 Jun 24

Publication series

NameNanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
Volume1

Other

OtherNanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010
CountryUnited States
CityAnaheim, CA
Period10-06-2110-06-24

Fingerprint

Metal nanoparticles
Silver
Copper
Carbon
X ray scattering
silver
Nanoparticles
copper
nanoparticles
carbon
metals
scattering
Electronic density of states
x rays
Cyclodextrins
Synchrotrons
density distribution
synchrotrons
Metals
Spectroscopy

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Kang, H. Y., Wang, H-P., Huang, C. H., Tsai, C. K., Jou, C. J. G., Jeng, U. S., & Su, C. H. (2010). Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell. In Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010 (pp. 417-420). (Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010; Vol. 1).
Kang, H. Y. ; Wang, Hong-Paul ; Huang, C. H. ; Tsai, C. K. ; Jou, C. J.G. ; Jeng, U. Ser ; Su, Chun Hun. / Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell. Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. pp. 417-420 (Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010).
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abstract = "Small angle X-ray scattering (SAXS) is a very useful method in studies of electron density distributions of nanoparticles. The formation mechanism of nanosize copper-silver encapsulated in the inert carbon shell (Cu/Ag@C) has been studied by in-situ synchrotron SAXS spectroscopy. The SAXS spectra have been determined during the temperature-dependent formation of the nanosize Cu/Ag@C. A detailed structural changes corresponding to the growth of the Cu/Ag nanoparticles as the Ag + - and Cu 2+ - β-cyclodextrin (β-CD) complexes are carbonized at the temperature range of 363-513 K. By controlling the molar ratios of OH on β-CD to metal, the desired size (i.e., ranged from 7 to 40 nm) can be synthesized. A rapid growth of the Cu/Ag nanoparticles occurs at 393-423 K. The diameter of the complete growth of the Cu/Ag@C nanoparticles is in the range of 20-26 nm with the carbon shell thicknesses of 3-5 nm.",
author = "Kang, {H. Y.} and Hong-Paul Wang and Huang, {C. H.} and Tsai, {C. K.} and Jou, {C. J.G.} and Jeng, {U. Ser} and Su, {Chun Hun}",
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Kang, HY, Wang, H-P, Huang, CH, Tsai, CK, Jou, CJG, Jeng, US & Su, CH 2010, Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell. in Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010, vol. 1, pp. 417-420, Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010, Anaheim, CA, United States, 10-06-21.

Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell. / Kang, H. Y.; Wang, Hong-Paul; Huang, C. H.; Tsai, C. K.; Jou, C. J.G.; Jeng, U. Ser; Su, Chun Hun.

Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. p. 417-420 (Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010; Vol. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell

AU - Kang, H. Y.

AU - Wang, Hong-Paul

AU - Huang, C. H.

AU - Tsai, C. K.

AU - Jou, C. J.G.

AU - Jeng, U. Ser

AU - Su, Chun Hun

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N2 - Small angle X-ray scattering (SAXS) is a very useful method in studies of electron density distributions of nanoparticles. The formation mechanism of nanosize copper-silver encapsulated in the inert carbon shell (Cu/Ag@C) has been studied by in-situ synchrotron SAXS spectroscopy. The SAXS spectra have been determined during the temperature-dependent formation of the nanosize Cu/Ag@C. A detailed structural changes corresponding to the growth of the Cu/Ag nanoparticles as the Ag + - and Cu 2+ - β-cyclodextrin (β-CD) complexes are carbonized at the temperature range of 363-513 K. By controlling the molar ratios of OH on β-CD to metal, the desired size (i.e., ranged from 7 to 40 nm) can be synthesized. A rapid growth of the Cu/Ag nanoparticles occurs at 393-423 K. The diameter of the complete growth of the Cu/Ag@C nanoparticles is in the range of 20-26 nm with the carbon shell thicknesses of 3-5 nm.

AB - Small angle X-ray scattering (SAXS) is a very useful method in studies of electron density distributions of nanoparticles. The formation mechanism of nanosize copper-silver encapsulated in the inert carbon shell (Cu/Ag@C) has been studied by in-situ synchrotron SAXS spectroscopy. The SAXS spectra have been determined during the temperature-dependent formation of the nanosize Cu/Ag@C. A detailed structural changes corresponding to the growth of the Cu/Ag nanoparticles as the Ag + - and Cu 2+ - β-cyclodextrin (β-CD) complexes are carbonized at the temperature range of 363-513 K. By controlling the molar ratios of OH on β-CD to metal, the desired size (i.e., ranged from 7 to 40 nm) can be synthesized. A rapid growth of the Cu/Ag nanoparticles occurs at 393-423 K. The diameter of the complete growth of the Cu/Ag@C nanoparticles is in the range of 20-26 nm with the carbon shell thicknesses of 3-5 nm.

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M3 - Conference contribution

SN - 9781439834015

T3 - Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010

SP - 417

EP - 420

BT - Nanotechnology 2010

ER -

Kang HY, Wang H-P, Huang CH, Tsai CK, Jou CJG, Jeng US et al. Formation mechanism of copper-silver metal nanoparticles encapsulated in carbon shell. In Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010. 2010. p. 417-420. (Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010).