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发现纳米尺寸效应诱导的铱的储氢能力。

Finding hydrogen-storage capability in iridium induced by the nanosize effect.

机构信息

Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan.

出版信息

J Am Chem Soc. 2012 Apr 25;134(16):6893-5. doi: 10.1021/ja302021d. Epub 2012 Apr 10.

DOI:10.1021/ja302021d
PMID:22482519
Abstract

We report nanosize-induced hydrogen storage in Ir, which does not absorb hydrogen in its bulk form. The mean diameter of the obtained Ir nanoparticles was estimated as 1.5 ± 0.5 nm by transmission electron microscopy. Hydrogen storage was confirmed by solid-state (2)H NMR and hydrogen pressure-composition isotherm measurements.

摘要

我们报告了 Ir 中的纳米尺寸诱导储氢，这种 Ir 在其体相形式下不吸收氢。通过透射电子显微镜估计所得到的 Ir 纳米颗粒的平均直径为 1.5 ± 0.5nm。通过固态 (2)H NMR 和氢压-组成等温线测量证实了储氢。

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