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Heusler Alloys: A Group of Novel Catalysts.


ABSTRACT: In this study, we investigated the catalytic properties of various Heusler alloys for the hydrogenation of propyne and the oxidation of carbon monoxide. For propyne hydrogenation, Co2FeGe alloy showed a higher activity than that of elemental Co, where neither Fe nor Ge showed any activity. This clearly indicates an alloying effect. For the oxidation of carbon monoxide, although most alloys showed a significant change in catalytic activity during measurement due to an irreversible oxidation of the alloy, Co2TiSn alloy showed a very small change. The results indicate that the catalytic activity and stability of a Heusler alloy can be tuned by employing an appropriate set of elements.

SUBMITTER: Kojima T 

PROVIDER: S-EPMC6641123 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Heusler Alloys: A Group of Novel Catalysts.

Kojima Takayuki T   Kameoka Satoshi S   Tsai An-Pang AP  

ACS omega 20170119 1


In this study, we investigated the catalytic properties of various Heusler alloys for the hydrogenation of propyne and the oxidation of carbon monoxide. For propyne hydrogenation, Co<sub>2</sub>FeGe alloy showed a higher activity than that of elemental Co, where neither Fe nor Ge showed any activity. This clearly indicates an alloying effect. For the oxidation of carbon monoxide, although most alloys showed a significant change in catalytic activity during measurement due to an irreversible oxid  ...[more]

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