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In-situ biogenically synthesized Cu2O/RGO composite using beetroot peel extract for selective and efficient reduction of cinnamaldehyde in water

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Abstract

On the anvil of the world of catalysis, the role of nanoparticles (NPs) as well as graphene oxide (GO) are well acknowledged as a new marvel experienced in various fields specially catalyzing the organic reactions. Herein, we report the use of biogenically synthesized Cu2O NPs decorated on reduced graphene oxide (Cu2O/RGO) nanocomposites (NCs) as a selective hydrogenation catalyst to efficiently transform E-cinnamaldehyde to E-cinnamyl alcohol. The transformation of cinnamaldehyde with 10 mg of Cu2O/RGO nanocatalyst and NaBH4 was achieved in 5 min in water at room temperature in excellent yield (~ 95%). The detailed mechanism of the formation of cinnamyl alcohol was also discussed. Cu2O/RGO NCs were synthesized utilizing an agricultural waste i.e., beetroot peel extract (BRPE) where NCs were stabilized by BRPE on the surface of reduced GO, and simultaneously the conjugation between the GO and copper ions is also responsible for the stabilization of Cu2O NPs. Incorporating the agricultural waste for the synthesis of Cu2O/RGO NCs validates an economic, efficient and ecofriendly approach. Novel nanoscale materials Cu2O/RGO are capable of offering several opportunities as heterogeneous catalysts thereby arousing wider interest and enthusiasm of scientists for exploring more reactions for their efficient catalytic performances in future.

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Acknowledgements

M Chauhan and S Yadav thankful to University Grant Commission India for providing financial help.

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Correspondence to Priti Malhotra.

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Chauhan, M., Yadav, S. & Malhotra, P. In-situ biogenically synthesized Cu2O/RGO composite using beetroot peel extract for selective and efficient reduction of cinnamaldehyde in water. Appl Nanosci 13, 4331–4342 (2023). https://doi.org/10.1007/s13204-022-02699-w

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  • DOI: https://doi.org/10.1007/s13204-022-02699-w

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