1. Department of Post-Graduate Studies & Research in Chemistry; Mangalore University; Mangalagangothri Karnataka 574199 India
2. Institut Mines-Télécom, Polymers and Composites Technology & Mechanical Engineering Department; IMT Lille Douai, 941 rue Charles Bourseul; Douai 59508 France
3. Université de Lille; Lille 59000 France