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American Journal of Nanosciences

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Volume 7, Issue 4, December 2021

  • Plasmon-induced Circular Dichroism and Asymmetric Hot-electrons Generation Triggered by a Chiral Molecule for Polarization-dependent Chemical Reactions

    Renaud Arthur Léon Vallée

    Issue: Volume 7, Issue 4, December 2021
    Pages: 59-65
    Received: 11 September 2021
    Accepted: 5 October 2021
    Published: 15 October 2021
    DOI: 10.11648/j.ajn.20210704.11
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    Abstract: Performing chiral photodetection, photocatalysis or photochemical reactions at the molecular level has always been a nearly impossible task, due to the very low efficiency of the generated optical circular dichroism signals. On the contrary, chiral colloidal nanocrystals have been shown recently to offer a very large differential response to circul... Show More
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  • Electronegative Promotion in the Synthesis by DC HF CCVD Growth Method of Carbon Nanotubes: A Review

    Nyangono Kouma Jean Michel, Mane Mane Jeannot, Mengata Mengounou Ghislain, Moukouri Mikano Jonas, Asse Jean Bernard

    Issue: Volume 7, Issue 4, December 2021
    Pages: 66-81
    Received: 29 August 2021
    Accepted: 24 September 2021
    Published: 10 November 2021
    DOI: 10.11648/j.ajn.20210704.12
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    Abstract: From the technological point of view, the synthesis of carbon nanotubes (CNTs) aims at optimizing their field emission properties. Among all the synthesis methods, the CVD method is the most suitable for the growth of carbon nanotubes. In this method, transition metal atoms (Fe, Ni, Co) are used. The carbon nanotubes obtained with these transition ... Show More
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  • Clay and Magnetic Sand Biomass Based Composite for Methylene Blue Adsorption (Effects of Composition Ratios of Functional Materials and Synthesis Conditions)

    Mih Venasius Nsom, Ekane Peter Etape, Beckley Victorine Namondo, Josepha Foba-Tendo, Lena Yoh Elango Ekaney

    Issue: Volume 7, Issue 4, December 2021
    Pages: 82-95
    Received: 28 October 2021
    Accepted: 17 November 2021
    Published: 25 November 2021
    DOI: 10.11648/j.ajn.20210704.13
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    Abstract: In recent times, iron oxide based magnetic nanoparticles (mainly magnetite (Fe3O4) or maghemite (γ-Fe2O3)) as well as clay and clay based composites, have become very important in the elimination of persistent organic compounds from waste water systems. This has been carried out by magnetic assisted chemical separation (MACS) process. The feasibili... Show More
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