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Issue 21, 2015
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Surface chemistry modulated introduction of multifunctionality within Co3O4 nanocubes

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Abstract

Co3O4 as a multifunctional nanomaterial, possessing simultaneously, unique optical, magnetic, and catalytic properties is sparse in the existing literature. We have activated intrinsic multicolor fluorescence covering the entire visible region by the functionalization of Co3O4 nanocubes (NCs) with Na-tartrate. The functionalized Co3O4 NCs show excellent catalytic efficiency in the degradation of both biologically and environmentally harmful dyes, which opens up a way for the possible application of the NCs toward therapeutic and wastewater treatment. Systematic investigations using UV-visible absorption, steady state, and time-resolved photoluminescence studies reveal the mechanistic origin behind the generation of multicolor fluorescence from the ligand-functionalized Co3O4 NCs. Moreover, from the magnetic study we have found that the room temperature antiferromagnetic nature of Co3O4 NCs turns to ferromagnetic after ligand functionalization due to the surface modification of the NCs. We believe that the developed multifunctional Co3O4 NCs could open up a new horizon toward their diverse applications in the present era of multitasking.

Graphical abstract: Surface chemistry modulated introduction of multifunctionality within Co3O4 nanocubes

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Publication details

The article was received on 22 Oct 2014, accepted on 19 Jan 2015 and first published on 19 Jan 2015


Article type: Paper
DOI: 10.1039/C4RA12901F
RSC Adv., 2015,5, 16311-16318

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    Surface chemistry modulated introduction of multifunctionality within Co3O4 nanocubes

    M. Pal, A. K. Singh, R. Rakshit and K. Mandal, RSC Adv., 2015, 5, 16311
    DOI: 10.1039/C4RA12901F

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