1. Centre for Nano‐Materials & Displays (CND)B.M.S. College of Engineering Bull Temple Road Bangalore Karnataka 560019 India
2. Department of Materials ScienceMangalore University Mangalagangotri Mangalore Karnataka 574199 India
3. Department of Chemistry and Centre of Excellence for Innovation in ChemistryFaculty of SciencePrince of Songkla University Hat Yai Songkla 90112 Thailand
4. Faculty of Industrial Sciences & TechnologyUniversiti Malaysia Pahang Kuantan 26300 Malaysia