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Browsing by Author Archana, S.

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  • Superb-adsorption-capacity-of-hydrothermally-synthesized-copper-oxide-and-nickel-oxide-nanoflakes-towards-anionic-and-cationic-dyes_2017_Journal-of-Sc.pdf.jpg
  • Article

  • Superb adsorption capacity of hydrothermally synthesized copper oxide and nickel oxide nanoflakes towards anionic and cationic dyes

    • Authors: Kumar, K. Yogesh; Archana, S.; Vinuth Raj, T.N.; Prasana, B.P.; Raghu, M.S.; Muralidhara, H.B. (2017)

  • The CuO and NiO nanoflakes were synthesized by a hydrothermal reaction. The secondary nucleation and growth of hydroxides resulted in the formation of flake like architectures as the prepared nanoparticles were used as an adsorbent for malachite green oxalate (MGO) and methyl orange (MO). The structure, morphology and surface properties of the nanoparticles were characterized by XRD, SEM and TEM. Effects of the experimental conditions on the adsorption behavior were studied by varying the contact time, initial concentration, initial pH and temperature. The adsorption of MGO increased with increase in the pH, while the MO adsorption showed an opposite trend. The adsorption kinetics was...
  • Versatile-Graphene-oxide-decorated-by-star-shaped-Zi_2018_Journal-of-Science.pdf.jpg
  • Article

  • Versatile Graphene oxide decorated by star shaped Zinc oxide nanocomposites with superior adsorption capacity and antimicrobial activity

    • Authors: Archana, S.; Kumar, K.Yogesh; Jayanna, B.K.; Olivera, Sharon; Anand, A.; Prashanth, M.K.; Muralidhara, H.B. (2018)

  • Graphene oxide-Zinc oxide (GO-ZnO) nanocomposite was prepared by a simple hydrothermal method. SEM and TEM analysis showed the presence of wide size range ZnO nanoparticles, which are distributed andfirmly anchored onto the graphene oxide layers. The resulting GO-ZnO nanocomposite showed an extraordinary adsorption capacity and the fast adsorption rates for the removal of methylene blue (MB) and methyl orange (MO) from an aqueous solution. The adsorption isotherm, kinetics and thermody-namics were investigated in detail and the results showed that the adsorption data was bestfitted to Langmuir adsorption isotherm model. The calculated monolayer adsorption capacity is 265.95 and 714.28...

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Browsing by Author Archana, S.

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 2 of 2
  • Superb-adsorption-capacity-of-hydrothermally-synthesized-copper-oxide-and-nickel-oxide-nanoflakes-towards-anionic-and-cationic-dyes_2017_Journal-of-Sc.pdf.jpg
  • Article

  • Superb adsorption capacity of hydrothermally synthesized copper oxide and nickel oxide nanoflakes towards anionic and cationic dyes

    • Authors: Kumar, K. Yogesh; Archana, S.; Vinuth Raj, T.N.; Prasana, B.P.; Raghu, M.S.; Muralidhara, H.B. (2017)

  • The CuO and NiO nanoflakes were synthesized by a hydrothermal reaction. The secondary nucleation and growth of hydroxides resulted in the formation of flake like architectures as the prepared nanoparticles were used as an adsorbent for malachite green oxalate (MGO) and methyl orange (MO). The structure, morphology and surface properties of the nanoparticles were characterized by XRD, SEM and TEM. Effects of the experimental conditions on the adsorption behavior were studied by varying the contact time, initial concentration, initial pH and temperature. The adsorption of MGO increased with increase in the pH, while the MO adsorption showed an opposite trend. The adsorption kinetics was...
  • Versatile-Graphene-oxide-decorated-by-star-shaped-Zi_2018_Journal-of-Science.pdf.jpg
  • Article

  • Versatile Graphene oxide decorated by star shaped Zinc oxide nanocomposites with superior adsorption capacity and antimicrobial activity

    • Authors: Archana, S.; Kumar, K.Yogesh; Jayanna, B.K.; Olivera, Sharon; Anand, A.; Prashanth, M.K.; Muralidhara, H.B. (2018)

  • Graphene oxide-Zinc oxide (GO-ZnO) nanocomposite was prepared by a simple hydrothermal method. SEM and TEM analysis showed the presence of wide size range ZnO nanoparticles, which are distributed andfirmly anchored onto the graphene oxide layers. The resulting GO-ZnO nanocomposite showed an extraordinary adsorption capacity and the fast adsorption rates for the removal of methylene blue (MB) and methyl orange (MO) from an aqueous solution. The adsorption isotherm, kinetics and thermody-namics were investigated in detail and the results showed that the adsorption data was bestfitted to Langmuir adsorption isotherm model. The calculated monolayer adsorption capacity is 265.95 and 714.28...