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Formation of silver nanoparticles in formamide:water mixtures: a radiolytic study

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Abstract

The pulse radiolysis of FA and FA:water solutions was studied in the absence and presence of redox indicator 1,1′-dimethyl-4,4′-bipyridinium dichloride (methyl viologen, MV2+). The experiments performed in the presence of MV2+ have provided strong support to the idea that the first species obtained from the reaction of e −sol and •OH with FA produces radicals that show reactivity towards the MV2+. Both the radicals on reaction with MV2+ results in the appearance of the well-known intense blue MV•+ radical absorption signal (λmax = 395 nm, λmax = 605 nm). The intermediate radicals formed during radiolysis were used to generate silver nanoparticles.

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Acknowledgements

The authors would like to thank Dr. S.K. Sarkar, Head, RPCD, for encouragement. The authors also thank the entire Linac team for their support.

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Authors and Affiliations

  1. Radiation and Photochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400 085, India

    A. Sarkar, T. Mukherjee & S. Kapoor

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  1. A. Sarkar
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  2. T. Mukherjee
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  3. S. Kapoor
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Correspondence to S. Kapoor.

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Sarkar, A., Mukherjee, T. & Kapoor, S. Formation of silver nanoparticles in formamide:water mixtures: a radiolytic study. Res Chem Intermed 36, 173–179 (2010). https://doi.org/10.1007/s11164-010-0140-7

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  • DOI: https://doi.org/10.1007/s11164-010-0140-7

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