Amines and thiols on diamond surfaces

被引：61

作者：

Miller, JB ^{[1
]}

机构：

[1] Western Michigan Univ, Dept Chem, Kalamazoo, MI 49008 USA

来源：

SURFACE SCIENCE | 1999年 / 439卷 / 1-3期

基金：

美国国家科学基金会;

关键词：

amine; chlorine; diamond; diffuse reflectance infrared spectroscopy (DRIFT); electron transfer; photochemistry; thiol; X-ray photoelectron spectroscopy (XPS);

D O I：

10.1016/S0039-6028(99)00683-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photochemical reactions have proven to be mild, selective, and versatile methods for modifying diamond. The surfaces of hydrogenated diamond powders, films and single crystals were photochemically modified to produce diamond terminated with simple amines and thiols. The amines and thiols were prepared via a chlorinated diamond intermediate. The thiolated surface was also prepared directly from the hydrogenated diamond. The modified diamond surfaces were spectroscopically characterized using diffuse-reflectance infrared spectroscopy, Auger electron spectroscopy, and X-ray photoelectron spectroscopy. Changes in the electron work function of the diamond surfaces upon modification were determined using a Kelvin probe. Sessile-drop contact angle measurements were used to determine relative surface hydrophilicity. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

引用

页码：21 / 33

页数：13

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