H-D EXCHANGE-REACTION ON DIAMOND SURFACES STUDIED BY DIFFUSE-REFLECTANCE FOURIER-TRANSFORM IR SPECTROSCOPY

被引：15

作者：

ANDO, T

ISHII, M

KAMO, M

SATO, Y

机构：

[1] National Institute for Research in Inorganic Materials, Tsukuba, Ibaraki, 305

来源：

关键词：

SURFACE CHEMISTRY; VIBRATIONAL SPECTROSCOPY; ISOTOPIC EFFECTS; CHEMISORPTION;

D O I：

10.1016/0925-9635(94)05242-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The H-D isotope exchange reaction of chemisorbed species on diamond surfaces has been investigated by diffuse reflectance Fourier-transform IR spectroscopy and temperature-programmed reaction mass spectrometry using powdered diamond. C-H stretching vibrations are observed in the region 2700-3000 cm(-1) and C-D stretching vibrations are observed in the region 2000-2250 cm(-1). The CH-CD exchange reaction of the pre-hydrogenated diamond with molecular deuterium (CD-CH exchange reaction of the pre-deuterated diamond with molecular hydrogen) was performed. Both reactions occur on the diamond surface above 450 degrees C. HD formation is observed in the vapor phase during the exchange reaction.

引用

页码：607 / 611

页数：5

共 20 条

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