1. Department of Electrical, Electronic and Systems Engineering Faculty of Engineering and Built Environment Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
2. Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
3. Department of Chemical Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia
4. ASASIpintar Program Pusat GENIUS@Pintar Negara Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia