1. Chemical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia
2. Department of Chemical Engineering, Universitas Pertamina, Daerah Khusus Ibukota Jakarta 12220, Indonesia
3. Center of Research in Ionic Liquids (CORIL), Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia
4. Center of Innovative Nanostructures and Nanodevices (COINN), Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia