Eminently Enhanced Anticorrosion Performance and Mechanisms of X-ZnO (X = C, N, and P) Solid Solutions.

Inorg Chem

Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China.

Published: October 2017

AI Article Synopsis

  • * The C-ZnO SS exhibited the highest impedance, indicating its superior anticorrosion capabilities, while a proposed mechanism highlighted the importance of photoelectron flow suppression and self-cohering due to doping.
  • * Experimental results confirmed the effectiveness of these materials in corrosion inhibition and established a positive link between their anticorrosion and photocatalytic performances, underscoring their potential industrial applications.

Article Abstract

Nonmetal (C, N, P) doped zinc oxide solid solutions (ZnO SSs) prepared through one-step calcination method exhibited novel anticorrosion capability. The anticorrosion property was identified by electrochemical impedance spectroscopy and polarization curve technique. The maximal impedance belonged to C-ZnO SS, which was 12 times higher than pure ZnO materials. Then, a synergistic anticorrosion mechanism was proposed: the photoelectron flow suppression effect and the self-cohering process formed by doping. The tiny particle size as well as the minor zeta-potential of X-ZnO SSs eminently promoted the intermolecular cohesion and the formation of the compact surface automatically. Moreover, the photocatalytic experiments successfully verified the product and the corrosion inhibition effectiveness of the photoelectrons. Additionally, a positive correlation conclusion between the anticorrosion performance and the photocatalytic performance of the X-ZnO SSs was obtained. Consequently, developing the self-cohering anticorrosion materials is of crucial industrial application prospect and value.

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Source
http://dx.doi.org/10.1021/acs.inorgchem.7b01716DOI Listing

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