Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation

Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation Publisher

Darwish M¹ ; Mohammadi A^{1, 2} ; Assi N¹

Show Affiliations

1. Department of Drug and Food Control, Faculty of Pharmacy, International Campus, Tehran University of Medical Sciences, Tehran, 14155-6451, Iran
2. Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14155-6451, Iran

Source: Bulletin of Materials Science Published:2017

Abstract

In order to prepare stable and efficient photocatalysts, a microwave-furnace-assisted method using ethylene glycol (EG) as a solvent has been employed to obtain metal oxides and metal sulphides nanocatalysts with partial decomposition of the polyvinylpyrrolidone (PVP) cap (P-ZnO, P-CdO, P-ZnS and P-CdS); this associates the protective functionality of PVP with enhanced catalytic activity due to effective carriers transfer. The as-produced catalysts characterization revealed an extended growth of metal oxides compared with metal sulphides, which is attributed to the competition of EG as the source of oxygen with PVP to capsulate metal oxides during the synthesis. Infrared spectra confirmed the PVP-metal complexation and partial decomposition of the polymer. Metal sulphides exhibited a better catalytic activity compared with metal oxides for sulphamethoxazole degradation in UVC light owing to their size and morphology impact; further, P-CdS induced 71% antibiotic degradation after 10 h of illumination with visible light compared with only 48% for P-ZnS, 29% for P-ZdO and 20% for P-CdO due to improved light absorption. Interestingly, around 86% degradation was induced by mixing P-CdS with P-ZnS in 80:20% ratio, indicating an enhanced visible light activity due to improved electron-hole pair separation and high redox potential of P-ZnS. © Indian Academy of Sciences.

Style	Citing Format
MLA	Darwish M, Mohammadi A, Assi N. "Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation." Bulletin of Materials Science, vol. 40, no. 3, 2017, pp. 513-522.
APA	Darwish M, Mohammadi A, Assi N (2017). Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation. Bulletin of Materials Science, 40(3), 513-522.
Chicago	Darwish M, Mohammadi A, Assi N. "Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation." Bulletin of Materials Science 40, no. 3 (2017): 513-522.
Harvard	Darwish M, Mohammadi A, Assi N (2017) 'Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation', Bulletin of Materials Science, 40(3), pp. 513-522.
Vancouver	Darwish M, Mohammadi A, Assi N. Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation. Bulletin of Materials Science. 2017;40(3):513-522.
BibTex	@article{ author = {Darwish M and Mohammadi A and Assi N}, title = {Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation}, journal = {Bulletin of Materials Science}, volume = {40}, number = {3}, pages = {513-522}, year = {2017} }
RIS	TY - JOUR AU - Darwish M AU - Mohammadi A AU - Assi N TI - Partially Decomposed Pvp As a Surface Modification of Zno, Cdo, Zns and Cds Nanostructures for Enhanced Stability and Catalytic Activity Towards Sulphamethoxazole Degradation JO - Bulletin of Materials Science VL - 40 IS - 3 SP - 513 EP - 522 PY - 2017 ER -

Science Communicator Platform

Authors

Authors Affiliations

Abstract