Issue 22, 2012
From the journal:

Dalton Transactions

Superior (de)hydrogenation properties of Mg–Ti–Pd trilayer films at room temperature

Gongbiao Xin,a   Junzhi Yang,a   Chongyun Wang,a   Jie Zhenga  and  Xingguo Li*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences (BNLMS), (The State Key Laboratory of Rare Earth Materials Chemistry and Applications), College of Chemistry and Molecular Engineering, Peking University, Beijing, China
E-mail: xgli@pku.edu.cn
Fax: +86-10-62765930
Tel: +86-10-62765930

Abstract

In this paper, a series of Mg–Ti–Pd trilayer films with various thicknesses of the Ti interlayer were prepared by magnetron sputtering. The trilayer films could be reversibly (de)hydrogenated at room temperature. The relationship between structure and properties of Mg–Ti–Pd trilayer films was comprehensively investigated. Our studies showed that the hydrogen storage properties of Mg–Pd films were significantly improved with the addition of a Ti interlayer. The optimal hydrogenation properties were obtained when the Ti interlayer was 1 nm. The superior hydrogenation properties achieved by introduction of the Ti interlayer could be attributed to several aspects: prevention of Mg–Pd alloying; catalytic dissociation of H2 molecules and provision of heterogeneous nucleation sites. These results were elucidative for the development of high performance intermetallic hydrogen storage materials and thin film based functional devices.

Graphical abstract: Superior (de)hydrogenation properties of Mg–Ti–Pd trilayer films at room temperature

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Article information

DOI
https://doi.org/10.1039/C2DT30253E
Article type
Paper
Submitted
03 Feb 2012
Accepted
16 Mar 2012
First published
19 Mar 2012

Dalton Trans., 2012,41, 6783-6790

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Superior (de)hydrogenation properties of Mg–Ti–Pd trilayer films at room temperature

G. Xin, J. Yang, C. Wang, J. Zheng and X. Li, Dalton Trans., 2012, 41, 6783 DOI: 10.1039/C2DT30253E

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