Lab Report

Lab Report

Surface modification of UV–light sensitive Na–K2Ti6O13 photocatalyst with Cu(II)–nanocluster for efficient visible–light–driven photocatalytic activity

Azam khan a, Umair Alam a, Danish Ali a, Detlef Bahnemann b, M. Muneer a,* aDepartment of Chemistry, Aligarh Muslim University, Aligarh 202002, India bPhotocatalysis and Nanotechnology, Institut fuer Technische Chemie, Gottfried Wilhelm Leibniz Universitaet Hannover, Callinstrasse 3, D–30167 Hannover, Germany cPhotoactive Nanocomposite Materials, Saint–Petersburg, State University, Ulyanovskaya Str, Peterhof, Saint–Petersburg 198504, Russia *Corresponding author: (M. Muneer) E–mail addresses: readermuneer@gmail.com, m.muneer.ch@amu.ac.in

Abstract;

A ... Show more content on Helpwriting.net ...Up to now, several strategies have been undertaken to modify alkaline titanate such as noble metal deposition, heterojunction formation and incorporation of metal ions into titanate. Recently, Wang et al. reported the synthesis of Na–K2Ti6O13/g–C3N4 composite material and tested their photocatalytic activity for the degradation of methyl orange under both simulated sunlight and visible light irradiation. Until now, no one has reported the surface modification of alkaline titanate using transition metals grafting with enhanced photocatalytic under visible light source. The surface modification has done so far with noble metals, which are highly expensive and limits the possibility for practical applications. The surface modification with ubiquitous metals has gained much attention as they avoid the high cost noble metals. The grafting with transition metal nanocluster promotes the multi–electron reduction reaction of oxygen molecule and ultimately enhances the photocatalytic activity. In this study, we report for the first time Cu(II)–nanocluster grafted Na–K2Ti6O13 nanobelts using molten salt followed by impregnation technique. The modification with Cu(II) cluster could enhance the light harvesting ability of Na–K2Ti6O13 to perform under visible light source. The synthesized samples were systematically characterized by different techniques to validate the

... Get more on HelpWriting.net ...