Direct mass determination of hydrogen uptake using a quartz crystal microbalance

被引：20

作者：

Kulchytskyy, Ihor ^{[1
]}

Kocanda, Martin G. ^{[1
]}

Xu, Tao ^{[1
]}

机构：

[1] No Illinois Univ, Dept Chem & Biochem, De Kalb, IL 60115 USA

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 11期

关键词：

D O I：

10.1063/1.2784945

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors demonstrate the application of a quartz crystal microbalance for direct mass determination of hydrogen uptake in storage materials in the pressure range of 0-40 bars. The frequency shift of a quartz crystal coated with hydrogen absorbing materials is affected by the hydrogen mass uptake on the crystal, the pressure and the viscosity of the gases, and the crystal surface roughness, of which the roughness contribution has no analytical expression. Through a control experiment on the same crystal in helium, the roughness contribution in hydrogen can be derived and the frequency shift due to the hydrogen mass uptake can be obtained.

引用

页数：3

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