Carbonnitride nanotubes with nano-sized pores on their...

Chemistry of inorganic compounds – Nitrogen or compound thereof – Carbon containing

Reexamination Certificate

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C423S447200, C423S447300

Reexamination Certificate

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07850940

ABSTRACT:
The present application provides a C1-xNxnanotube with pores having nano-sized diameter ranging from 5 to 10 Å, where x ranges from 0.001 to 0.2, and a method for controlling the size and quantity of pores in said nanotube by reacting hydrocarbon gas, nitrogen gas, and oxygen gas or hydrogen gas together in the presence of metal catalyst and by controlling the concentration of nitrogen gas.

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Zhong et al., “Tailored Field-Emission Property of Patterned Carbon Nitride Nanotubes by a Selective Doping of Substitutional N(sN) and Pyridine-like N(pN) Atoms,” 2007, Chem. Mater., 19, pp. 2918-2920.
Yang et al., “Porous N-doped carbon with various hollow-cored morphologies nanocast using zeolite templates via chemical vapour deposition,” 2005, Studies in Surface Science and Catalysis, 156, pp. 573-580.
Wang et al., “Controllable Growth, Structure, and Low Field Emission of Well-Aligned CNx Nanotubes,” 2002, J. Phys. Chem. B, 106, pp. 2186-2190.
Han, S.S., et al., “Nanopores of carbon nanotubes as practical hydrogen storage media”,Applied Physics Letters, vol. 87, No. 231113, pp. 1-3, (2005).
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