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Synthesis of Palladium Nanoparticle by Bio-reduction Method and Its Effectiveness as Heterogeneous Catalyst Towards Selective Oxidation of Benzyl Alcohols in Aqueous Media

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Abstract

Monodispersed palladium nanoparticles (PdNp) have been synthesized by a green rapid bio-reduction method under room temperature and pressure. The reducing agents mainly involved in these processes are the various water soluble plant metabolites, polyphenols as well as co-enzymes present in the leaf extract of Tulsi (Ocimum sanctum). An active and stable montmorillonite K-10 supported heterogeneous catalyst was prepared using these PdNp for oxidation of alcohols to their corresponding carbonyl compounds with efficient yield and having good reusability. These are characterized by TEM, XRD, BET surface area and UV–Vis absorption spectroscopy.

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Acknowledgements

We gratefully acknowledge SAIC-Tezpur University for recording XRD and STIC-Cochin for HR-TEM and ICP-AES analysis. N. Gogoi also thanks to UGC, New Delhi for financial assistance in the form of UGC-BSR (RFSMS) fellowship.

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Correspondence to Pradip K. Gogoi.

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Gogoi, N., Bordoloi, P., Borah, G. et al. Synthesis of Palladium Nanoparticle by Bio-reduction Method and Its Effectiveness as Heterogeneous Catalyst Towards Selective Oxidation of Benzyl Alcohols in Aqueous Media. Catal Lett 147, 539–546 (2017). https://doi.org/10.1007/s10562-016-1937-9

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