New self-assembled material based on Ru nanoparticles and 4-sulfocalix[4]arene as an efficient and recyclable catalyst for reduction of brilliant yellow azo dye in water: a new model catalytic reaction

Darsi Rambabu;Pradeep, Chullikkattil P.;Dhir, Abhimanew;et.al.
(2016) Journal of Nanoparticle Research : an interdisciplinary forum for nanoscale science and technology — Vol. 18, n° 381, p. 1-10 (2016)

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  • Darsi Rambabuorcid-logoUCLouvain
    Author
  • Pradeep, Chullikkattil P.
    Author
  • Dhir, Abhimaneworcid-logo
    Author
  • et. al.
Abstract
New self-assembled material (Ru@ SC) with ruthenium nanoparticles (Ru NPs) and 4-sulfocalix [4] arene (SC) is synthesized in water at room temperature. Ru@ SC is characterized by thermal gravimetric analysis, FT-IR, powder x-ray diffraction, TEM and SEM analysis. The size of Ru nanoparticles in the self-assembly is approximately 5 nm. The self-assembled material Ru@ SC shows an efficient catalytic reduction of toxic ‘brilliant yellow’(BY) azo dye. The reduced amine products were successfully separated and confirmed by single-crystal XRD, NMR and UV-Vis spectroscopy. Ru@ SC showed a better catalytic activity in comparison with commercial catalysts Ru/C (ruthenium on charcoal 5%) and Pd/C (palladium on charcoal 5 and 10%). The catalyst also showed a promising recyclability and heterogeneous nature as a catalyst for reduction of ‘BY’azo dye.
Affiliations
  • Indian Institute of Technology, Mandi,Himachal Pradesh, India

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Darsi Rambabu, Pradeep, C. P., Dhir, A., & et al. (2016). New self-assembled material based on Ru nanoparticles and 4-sulfocalix[4]arene as an efficient and recyclable catalyst for reduction of brilliant yellow azo dye in water: a new model catalytic reaction. Journal of Nanoparticle Research : an interdisciplinary forum for nanoscale science and technology, 18(381), 1-10. https://doi.org/10.1007/s11051-016-3693-6 (Original work published 2016)