Paper Title:
The Effect of Depositing Time on the MPCVD of Diamond on Porous Carbon Monolith
  Abstract

Porous carbon monolith was used as substrate for microwave plasma chemical vapor deposition. The depositing time was set as 1 hour, 3hours, and 5 hours respectively. The deposited samples were characterized with Raman spectroscope and scanning electron microscope. It was proved that diamond was formed on the surface of all the samples. However, the surface morphology and phase composition of the chemical vapor deposition layer changed with depositing time. It was deduced that the porous carbon monolith was a carbon resource, and it gave out small molecules containing carbon element during the deposition. This changed the ratio of carbon to hydrogen in the growing atmosphere, and correspondingly influenced the growth of carbon on the substrate. With a low ratio of carbon to hydrogen, mainly diamond grew. Or else, other types of carbon would grow on the surface of the porous carbon monolith substrate.

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Edited by
Shiquan Liu and Min Zuo
Pages
1761-1766
DOI
10.4028/www.scientific.net/AMR.306-307.1761
Citation
Q. Mei, X. J. Yu, B. Y. Zhao, R. B. Li, Y. J. Lay, K. A. Hu, "The Effect of Depositing Time on the MPCVD of Diamond on Porous Carbon Monolith", Advanced Materials Research, Vols. 306-307, pp. 1761-1766, 2011
Online since
August 2011
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$32.00
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