Facile synthesis of broom stick like FeOCl/g-C3N5 nanocomposite as novel Z-scheme photocatalysts for rapid degradation of pollutants. (November 2022)

• Record Type: Journal Article
• Authors: Vadivel, Sethumathavan; Fujii, Manabu; Rajendran, Saravanan
• Is Part Of: Chemosphere. Volume 307:Part 1(2022)
• Publication Date: 2022-11
• Subjects: Lamellar FeOCl -- G-C3N5 -- Photodegradation -- Visible light -- Z-Scheme; Pollution -- Periodicals; Pollution -- Physiological effect -- Periodicals; Environmental sciences -- Periodicals; Atmospheric chemistry -- Periodicals; 551.511
• DOI: 10.1016/j.chemosphere.2022.135716
• Languages: English
• ISSNs: 0045-6535

Abstract

Abstract: A simple and cost-effective route has been utilized for the preparation of a novel lamellar structured FeOCl/g-C3 N5 nanocomposite as Z-scheme photocatalyst. The preparation method was performed under the ambient temperature conditions without any hazardous chemicals. Various characterization techniques, namely XRD, FESEM, TEM, FT-IR, UV–Vis, DRS, and PL were carried out to analyse the nanocomposite for confirmation of FeOCl/g-C3 N5 nanocomposite. To evaluate its and visible light degradation performances tetracycline (T-C) was used as target pollutant. Among the optimum loading for the g-C3 N5 incorporated FeOCl binary nanocomposites, the g-C3 N5 /FeOCl exhibited a superlative degradation performance toward the T-C antibiotic pollutant. The results confirmed that 95% of T-C was degraded within 40 min under photodegradation mechanism. The improved photodegradation performance in degradation of T-C was mainly due to the reduction in electron-hole recombination, broadening in the light absorption by g-C3 N5 incorporation, which leads to shortening the degradation time. Furthermore, the hydroxyl and superoxide radicals played a major role in the photodegradation process and the possible mechanism was elucidated and proposed. The present work implies a novel, sustainable, and efficient Z-scheme system that may deliver a convenient method for environment remediation. Graphical abstract: Image 1 Highlights: A simple cost-effective method has been utilized for nanocomposite preparation. To evaluate its degradation performances tetracycline was used as model. The hydroxyl and superoxide radicals played a major role in the photodegradation. The present work presents a sustainable, Z-scheme system for environment remediation.