Microwave- and Formaldehyde-Assisted Synthesis of Ag-AgPO with Enhanced Photocatalytic Activity for the Degradation of Rhodamine B Dye and Crude Oil Fractions

Overview

Journal ACS Omega

Publisher American Chemical Society

Specialty Chemistry

Date 2020 Jun 23

PMID 32566829

Citations 4

Authors

Emmanuel Nyankson

Reuben Amedalor

Gauthaman Chandrabose

Michael Coto

Satheesh Krishnamurthy

R Vasant Kumar

Affiliations

Soon will be listed here.

Abstract

The release of crude oil and water-soluble dyes into our marine environment is a major global problem. An efficient semiconductor Ag-AgPO photocatalyst was synthesized using formaldehyde as a reducing agent to form surface active Ag on AgPO under microwave radiation for heating, and its potential in destroying environmental pollutants has been examined. The diffuse reflectance spectroscopy of Ag-AgPO revealed an enhanced absorption in the visible light region. The rate of photocatalytic degradation of rhodamine B by Ag-AgPO was over 4-fold compared to AgPO. The potential application of Ag-AgPO in oil spill remediation was also examined through photocatalytic degradation of benzene, -hexane, and 1:1 v/v benzene/methanol crude oil-soluble fractions. UV-vis and gas chromatography-mass spectrometry analysis of the crude oil components after visible light irradiation showed excellent degradation. The photocatalytic efficiency enhancement of Ag-AgPO is attributed to the excellent electron trapping of silver nanoparticles deposited on the surface of AgPO. This work will motivate future studies to develop recyclable visible light photocatalysts for many applications.

Citing Articles

Multicomponent Photocatalytic-Dispersant System for Oil Spill Remediation.

Gbogbo S, Nyankson E, Agyei-Tuffour B, Adofo Y, Mensah B ACS Omega. 2024; 9(8):8797-8809.

PMID: 38434850 PMC: 10905576. DOI: 10.1021/acsomega.3c05982.

Thin silica shell on AgPO nanoparticles augments stability and photocatalytic reusability.

Kavya P, Priya S, Pradeesh K, Sandeep K, Saranya K, Thomas V RSC Adv. 2023; 13(44):30643-30648.

PMID: 37881758 PMC: 10594404. DOI: 10.1039/d3ra05023h.

Curcumin loaded Ag-TiO-halloysite nanotubes platform for combined chemo-photodynamic therapy treatment of cancer cells.

Nyankson E, Awuzah D, Tiburu E, Efavi J, Agyei-Tuffour B, Paemka L RSC Adv. 2022; 12(51):33108-33123.

PMID: 36425174 PMC: 9672909. DOI: 10.1039/d2ra05777h.

Synthesis of TiO-AgPO photocatalyst material with high adsorption capacity and photocatalytic activity: application in the removal of dyes and pesticides.

Nyankson E, Efavi J, Agyei-Tuffour B, Manu G RSC Adv. 2022; 11(28):17032-17045.

PMID: 35479677 PMC: 9031761. DOI: 10.1039/d1ra02128a.

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