1. Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Perak 32610, Malaysia
2. Centre of Innovative Nanostructure and Nanodevices (COINN), Universiti Teknologi PETRONAS, Seri Iskandar, Perak 32610, Malaysia
3. Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Gambang, Kuantan 26300, Malaysia
4. Department of Mechanical Engineering, Universiti Teknology PETRONAS, Seri Iskandar, Perak 32610,Malaysia
5. Department of Chemistry, Faculty of Science, Tanta University, Tanta 31527, Egypt
6. Alexander von Humboldt (AvH) Foundation, 53173 Bonn, Germany