Hokkaido University Collection of Scholarly and Academic Papers >
Institute for Catalysis >
Peer-reviewed Journal Articles, etc >
Supported rhenium nanoparticle catalysts for acceptorless dehydrogenation of alcohols: structure-activity relationship and mechanistic studies
Title: | Supported rhenium nanoparticle catalysts for acceptorless dehydrogenation of alcohols: structure-activity relationship and mechanistic studies |
Authors: | Kon, Kenichi Browse this author | Onodera, Wataru Browse this author | Toyao, Takashi Browse this author →KAKEN DB | Shimizu, Ken-ichi Browse this author →KAKEN DB |
Issue Date: | 7-Aug-2016 |
Publisher: | Royal Society of Chemistry |
Journal Title: | Catalysis science and technology |
Volume: | 6 |
Issue: | 15 |
Start Page: | 5864 |
End Page: | 5870 |
Publisher DOI: | 10.1039/c6cy00252h |
Abstract: | Al2O3-supported Re with different oxidation states and Re-0 metal nanoparticles on various supports are prepared, characterized and tested for the dehydrogenation of 2-octanol. The activity of Re/Al2O3 increases with the fraction of metallic Re. The activity of metallic Re depends on the support oxides, and the support with moderate electronegativity (Al2O3) gives the highest turnover frequency (TOF) per surface Re-0 site. Re/Al2O3 is effective for acceptorless dehydrogenation of various aliphatic secondary alcohols to ketones. The kinetic isotope effects on the dehydrogenation of 2-propanol show that dissociation of the alpha-C-H bond of 2-propanol is the rate-limiting step. The IR study of the reaction of gas phase 2-propanol over the Re/Al2O3 surface shows that the acid-base pair site of Al2O3 is responsible for the O-H dissociation of 2-propanol. The structural requirements are discussed on the basis of the mechanistic results. |
Type: | article (author version) |
URI: | http://hdl.handle.net/2115/66972 |
Appears in Collections: | 触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
|
Submitter: 清水 研一
|