Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor

Y. Gao; J. B. Park; Y. S. Zhou; X. N. He; Z. Q. Xie; Y. F. Lu

doi:10.2351/1.5061976

Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor

Y. Gao, J. B. Park, Y. S. Zhou, X. N. He, Z. Q. Xie, Y. F. Lu

Electrical & Computer Engineering

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

Abstract

In this study, a highly efficient method was developed for the growth of carbon nano-onions (CNOs) in open air by effectively coupling the laser energy into the combustion flames through the resonant excitation of C ₂H₄ molecules. CNOs with concentric graphitic shells were obtained at the wavelength of 10.532 μm compared with those grown without laser. The growth rate of CNOs at the wavelength of 10.532 μm is 2.1 g/h. Laser scattering during the synthetic process indicates the formation of the CNOs is ascribed to the direct decomposition of the C₂H₄ molecules into solid carbons on surfaces of growing particles.

Original language	English (US)
Title of host publication	29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings
Publisher	Laser Institute of America
Pages	1307-1311
Number of pages	5
ISBN (Print)	9780912035611
DOIs	https://doi.org/10.2351/1.5061976
State	Published - 2010

Publication series

Name	29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings
Volume	103

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Radiation

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Gao, Y., Park, J. B., Zhou, Y. S., He, X. N., Xie, Z. Q., & Lu, Y. F. (2010). Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor. In 29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings (pp. 1307-1311). (29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings; Vol. 103). Laser Institute of America. https://doi.org/10.2351/1.5061976

Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor. / Gao, Y.; Park, J. B.; Zhou, Y. S.; He, X. N.; Xie, Z. Q.; Lu, Y. F.

29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings. Laser Institute of America, 2010. p. 1307-1311 (29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings; Vol. 103).

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

Gao, Y, Park, JB, Zhou, YS, He, XN, Xie, ZQ & Lu, YF 2010, Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor. in 29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings. 29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings, vol. 103, Laser Institute of America, pp. 1307-1311. https://doi.org/10.2351/1.5061976

Gao Y, Park JB, Zhou YS, He XN, Xie ZQ, Lu YF. Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor. In 29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings. Laser Institute of America. 2010. p. 1307-1311. (29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings). https://doi.org/10.2351/1.5061976

Gao, Y. ; Park, J. B. ; Zhou, Y. S. ; He, X. N. ; Xie, Z. Q. ; Lu, Y. F. / Growth of carbon nano-onions in open air by laser resonant excitation of ethylene precursor. 29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings. Laser Institute of America, 2010. pp. 1307-1311 (29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings).

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abstract = "In this study, a highly efficient method was developed for the growth of carbon nano-onions (CNOs) in open air by effectively coupling the laser energy into the combustion flames through the resonant excitation of C 2H4 molecules. CNOs with concentric graphitic shells were obtained at the wavelength of 10.532 μm compared with those grown without laser. The growth rate of CNOs at the wavelength of 10.532 μm is 2.1 g/h. Laser scattering during the synthetic process indicates the formation of the CNOs is ascribed to the direct decomposition of the C2H4 molecules into solid carbons on surfaces of growing particles.",

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