Hydrogen in Platinum Films Electrodeposited from Dinitrosulfatoplatinate(II) Solution

被引：8
|
作者：
Hisanaga, Naoya [1 ]
Fukumuro, Naoki [1 ]
Yae, Shinji [1 ]
Matsuda, Hitoshi [1 ]
机构：
[1] Univ Hyogo, Grad Sch Engn, Dept Mat Sci & Chem, Himeji, Hyogo 6712280, Japan
来源：
STUDENT POSTERS (GENERAL) - 222ND ECS MEETING/PRIME 2012 | 2013年 / 50卷 / 48期
关键词：
SUPERABUNDANT VACANCIES;
D O I：
10.1149/05048.0077ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The influence of hydrogen on the microstructure of Pt films electrodeposited from a dinitrosulfatoplatinate(II) solution was investigated with thermal desorption spectroscopy, X-ray diffraction, transmission electron microscopy, and scanning electron microscopy. Two pronounced desorption peaks were observed in the thermal desorption spectrum of hydrogen from the Pt films. The total amount of desorbed hydrogen in the range from 300 to 1100 K in the atomic ratio (H/Pt) was 0.1. The deposited Pt film consisted of fine grains (similar to 10 nm) and many nano-voids. The lattice parameter of the Pt grains was lower than that of bulk Pt. Drastic grain growth and reduction in the lattice contraction occurred from heat treatment at a temperature corresponding to the first hydrogen desorption peak of 500 K.
引用
收藏
页码：77 / 82
页数：6
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