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<p>Binary heterostructures based on Co<sub>3</sub>O<sub>4</sub> and red phosphorus have been synthesized, and their morphology and spectral characteristics have been analyzed. According to SEM data, the formation of heterostructures is accompanied by the localization of an amorphous phase of red phosphorus (P<sub>red</sub>) on the surface of cobalt oxide. It is determined that the incorporation of 15 wt.%. of P<sub>red</sub> into Co<sub>3</sub>O<sub>4</sub> results in a CO photoconversion efficiency of 81% after 3 h of irradiation. A nonlinear dependence of the system’s photoactivity on light flux intensity is established. The effect of oxygen concentration on the efficiency of photocatalytic CO oxidation is studied.</p>

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Photocatalytic Oxidation of CO Under Visible Light Irradiation Involving Binary Co3O4/P (Red Phosphorus) Heterostructures

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • M. L. Ovcharov,
  • A. A. Bocharova,
  • P. I. Glukhova,
  • T. R. Stara

摘要

Binary heterostructures based on Co3O4 and red phosphorus have been synthesized, and their morphology and spectral characteristics have been analyzed. According to SEM data, the formation of heterostructures is accompanied by the localization of an amorphous phase of red phosphorus (Pred) on the surface of cobalt oxide. It is determined that the incorporation of 15 wt.%. of Pred into Co3O4 results in a CO photoconversion efficiency of 81% after 3 h of irradiation. A nonlinear dependence of the system’s photoactivity on light flux intensity is established. The effect of oxygen concentration on the efficiency of photocatalytic CO oxidation is studied.