The oxidation of diamond: The geometry and stretching frequency of carbonyl on the (100) surface

Phillip John; Neil Polwart; Clare E. Troupe; J. I B Wilson

doi:10.1021/ja029586a

The oxidation of diamond: The geometry and stretching frequency of carbonyl on the (100) surface

Phillip John, Neil Polwart, Clare E. Troupe, J. I B Wilson

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

Microwave plasma deposited (100) diamond films have been thermally oxidized in dry O₂ between 500 and 723 °C. The roughness of a single crystalline grain following oxidation is consistent with a layer-by-layer mechanism for the removal of carbon monoxide. The resulting surface exhibits infrared absorption bands at 1731 and 905 cm-1, attributed to the stretching and bending modes of a surface bonded carbonyl group. The former is within 1 cm^-1 of the structurally analogous molecule 2-adamantanone. These data are consistent with the carbonyl groups being present on diamond (100) terraces. Copyright © 2003 American Chemical Society.

Original language	English
Pages (from-to)	6600-6601
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	125
Issue number	22
DOIs	https://doi.org/10.1021/ja029586a
Publication status	Published - 4 Jun 2003

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title = "The oxidation of diamond: The geometry and stretching frequency of carbonyl on the (100) surface",

abstract = "Microwave plasma deposited (100) diamond films have been thermally oxidized in dry O2 between 500 and 723 °C. The roughness of a single crystalline grain following oxidation is consistent with a layer-by-layer mechanism for the removal of carbon monoxide. The resulting surface exhibits infrared absorption bands at 1731 and 905 cm-1, attributed to the stretching and bending modes of a surface bonded carbonyl group. The former is within 1 cm-1 of the structurally analogous molecule 2-adamantanone. These data are consistent with the carbonyl groups being present on diamond (100) terraces. Copyright {\textcopyright} 2003 American Chemical Society.",

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The oxidation of diamond: The geometry and stretching frequency of carbonyl on the (100) surface

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