Abstract
Highly water dispersible rhodium–graphene nanocomposite have been successfully synthesized by the simple reduction of Rh3+ salt on poly(ethylene oxide)/poly(propylene oxide)/poly(ethylene oxide) (PEO/PPO/PEO) triblock copolymer or pluronic-stabilized graphene oxide (GO) nanosheets with borohydride. Rhodium nanoparticles, having average size of 1–3 nm, are homogeneously distributed through out the graphene sheets. Some porous structures of graphene sheets have also been observed after the reduction of pluronic-stabilized GO in the presence of metal ions. The material is very effective for hydrogenation of arenes, especially for benzene as the substrate material at the room temperature and 5 atm pressure of hydrogen.
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Acknowledgments
The authors are grateful to the Technology Information and Forecasting Assessment Council (TIFAC) and the Department of Science and Technology, Government of India for funding, and the Authority of Indian Institute of Technology, Kharagpur for providing operational facilities.
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11051_2010_164_MOESM2_ESM.tif
Fig. S2 GC-MS pattern of cyclohexane, after analysis the above GC-MS peak at the retention time 2.4 minute. No such type of peak was observed for benzene itself, which confirmed that 100% conversion of the substrate was done (TIF 1.98 mb)
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Chandra, S., Bag, S., Bhar, R. et al. Sonochemical synthesis and application of rhodium–graphene nanocomposite. J Nanopart Res 13, 2769–2777 (2011). https://doi.org/10.1007/s11051-010-0164-3
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DOI: https://doi.org/10.1007/s11051-010-0164-3