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Nanoarchitectonic Composites of Mixed and Covalently Linked Multiwalled Carbon Nanotubes and Tetra-[α-(p-amino)benzyloxyl] Phthalocyanine Zinc(II)

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The nanoarchitectonic composites mixed-ZnPc-fMWCNT and linked-ZnPc-fMWCNT were prepared through tetra-[α-(p-amino)benzyloxyl]phthalocyanine Zinc(II) (ZnPc) mixed and covalently linked to multiwalled carbon nanotubes (MWCNTs), respectively. Various spectroscopic methods were used to identify the nanocomposites formed between ZnPc and MWCNTs whether by ππ interaction or by covalent linking. Their photocatalytic properties were fully investigated by carrying out the photodegradation of Rhodamine B (RhB) in aqueous solution under visible light irradiation. The nanocomposites displayed excellent photocatalytic performance, with the photodegradation efficiency as high as 94% for linked-ZnPc-fMWCNT and 83% for mixed-ZnPc-fMWCNT within 3 h irradiation. The repetition test revealed that both nanocomposites have excellent stability and recyclability, and then they are promising candidates as eco-friendly photocatalysts for degradation of organic dyes in aqueous environments.
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Keywords: Multiwalled Carbon Nanotube; Organic Dye; Photocatalyst; Phthalocyanine; Visible Light

Document Type: Research Article

Affiliations: School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China

Publication date: May 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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