Taqui Khan, M. M. ; Nageswara Rao, N. (1990) Photocatalytic hydrogenation of cyclohexene through H2O as a source of H2 by Pt/CdS/RuO2 semiconductor particulate system catalysed by K[Ru(H-EDTA)Cl]2H2O Journal of Molecular Catalysis, 58 (3). pp. 323-329. ISSN 0304-5102
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0304-5102(90)85021-9
Abstract
Hydrogenation of cyclohexene in aqueous ethanolic solutions (80:20 ethanol-water) of K[Ru(H-EDTA)Cl]2H2O occurs during illumination of a semiconducting Pt/CdS/RuO2 particulate system under ambient conditions. Cyclohexane is formed at a rate equal to 23μ1h−1 (turnover RATE = 8.5 mol cyclohexane per mol catalyst per hour) and a total of 7-8% of cyclohexene is hydrogenated in about 12 h irradiation time. A mechanism for the hydro-genation of cyclohexene is proposed incorporating metal-alkene and mixed metal-alkene-hydride intermediates. The formation of these intermediates is amply supported by spectroscopic studies of photolysed reaction mixture. Hydrogen for the hydrogenation of cyclohexene is obtained by the photosplitting of H2O.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 58516 |
| Deposited On: | 31 Aug 2011 12:19 |
| Last Modified: | 31 Aug 2011 12:19 |
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