Rice-like Ag/Al2O3 nanocomposites preparation from AlOOH nanostructures synthesized via a facile hydrothermal route for azo dyes photocatalytic degradation and Pb2+ adsorption

  • Ali Mohammad Latifi
  • Morteza Mirzaei
  • Mehdi Mousavi-Kamazani
  • Zabihullah Zarghami


Herein, various morphologies of AlOOH (boehmite) nanostructures were successfully synthesized via a facile hydrothermal route. The obtained AlOOH nanostructures were utilized as a novel starting reagent with AgNO3 and cochineal powder for synthesizing Ag–Al2O3 nanocomposites via a thermal decomposition method. The prepared nanocomposites were applied as photocatalyst for decolorization of acid violet 7 as an azo dye under visible light irradiation. The results showed the rice-like sample (A3) has the highest photodegradation efficiency due to its more surface to volume ratio. Moreover, the synthesized AlOOH nanostructures were directly calcined to transform into rice-like Al2O3 nanostructures as an adsorbent for Pb2+ ions removing from aqueous medium. The rice-like Al2O3 (sample B3) as an adsorbent showed a remarkable adsorption capacity (250 mg/g) compared to other samples with different morphologies.



This work was supported by the Applied Biotechnology Research Center, Baqiyatallah University of Medical Science, Tehran, Iran.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Ali Mohammad Latifi
    • 1
  • Morteza Mirzaei
    • 1
  • Mehdi Mousavi-Kamazani
    • 2
  • Zabihullah Zarghami
    • 1
  1. 1.Applied Biotechnology Research CenterBaqiyatallah University of Medical ScienceTehranIran
  2. 2.New Technology FacultySemnan UniversitySemnanIran

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