Hydrogen-storage characteristics of hydrogenated amorphous carbon nitrides

被引：15

作者：

Ito, Haruhiko ^{[1
]}

Nozaki, Taro ^{[1
]}

Saikubo, Akihiko ^{[2
]}

Yamada, Noriko ^{[2
]}

Kanda, Kazuhiro ^{[2
]}

Niibe, Masahito ^{[2
]}

Saitoh, Hidetoshi ^{[1
]}

机构：

[1] Nagaoka Univ Technol, Dept Chem, Niigata 9402188, Japan

[2] Univ Hyogo, Lab Adv Sci & Technol Ind, Kamigori, Hyogo 6781205, Japan

来源：

THIN SOLID FILMS | 2008年 / 516卷 / 19期

关键词：

hydrogenated amorphous carbon nitride; chemical vapor deposition (CVD); plasma processing and deposition; hydrogen storage;

D O I：

10.1016/j.tsf.2007.11.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hydrogenated amorphous carbon nitride (a-CNx:H) materials were prepared using the radio-frequency (RF) magnetron discharge of the mixed gases of hydrocarbons and N-2. The starting hydrocarbons were CH4, C2H6, C2H4, C2H2, or C6H6. The stored hydrogen contents of various a-CNx:H materials formed from these starting hydrocarbons were measured by the volumetric analysis. The maximum hydrogen content, 0.78 wt.%, was obtained for the material formed from CH4 at the equilibrium pressure of hydrogen of 11.3 MPa; the other materials gave much smaller hydrogen contents, 0.03-0.11 wt.%. The structures of a-CNx:H materials were analyzed by IR and Raman spectroscopic methods and the near-edge X-ray absorption fine structure (NEXAFS) analysis of carbon K-edge. The correlation between the hydrogen-storage ability and the chemical structure of materials was discussed. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：6575 / 6579

页数：5

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