Diamond formation by reduction of carbon dioxide at low temperatures.

Diamond formation by reduction of carbon dioxide at low temperatures. Research Abstract Details 

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Diamond formation by reduction of carbon dioxide at low temperatures. Abstract Text:

Zhengsong Lou,Qianwang Chen,Yufeng Zhang,Wei Wang,Yitai Qian,

This Communication reports a low-temperature diamond synthesis technique, in which diamonds (10-250 mum) can form at a temperature as low as 440 degrees C by reduction of dense CO2 with metallic Na. The X-ray diffraction pattern of a powder sample shows three reflection peaks, indexed with 111, 220, and 311, corresponding unambiguously to cubic diamond. The Raman spectrum of the product exhibits an intense first-order peak at 1332 cm-1, which is the characteristic signature of the cubic diamond, indicating the formation of well-crystallized diamond. Carbon dioxide is a nontoxic low-energy molecule, abundant on earth. This novel reduction method could allow studies of large-size diamond growth using CO2 as the carbon source.

Diamond formation by reduction of carbon dioxide at low temperatures. Publishing Authors By Initials

Z Lou,Q Chen,Y Zhang,W Wang,Y Qian,

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Diamond formation by reduction of carbon dioxide at low temperatures. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of the American Chemical Society

VOLUME: 125

Page Numbers: 9302-3

Journal Abbreviation: J. Am. Chem. Soc.

ISSN: 0002-7863

DAY: 6

MONTH: Aug

YEAR: 2003

Diamond formation by reduction of carbon dioxide at low temperatures. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Diamond formation by reduction of carbon dioxide at low temperatures.

AFFILIATION: Structure Research Laboratory and Department of Materials Science & Engineering, University of Science & Technology of China, Hefei 230026, China.

Country: United States

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MEDLINETA: J Am Chem Soc

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