مؤلف: Georgi J. Vadakkekara

Sabu Thomas, Ph D, Chairman, Trivandrum Engineering Science & Technology Research Park (Tr EST Research Park), Director, School of Energy Materials, Director, School of Nanoscience and Nanotechnology, Director, International and Inter-University Centre for Nanoscience and Nanotechnology, Former Vice Chancellor Mahatma Gandhi University, Kottayam, Kerala, India. Georgi J. Vadakkekara, Ph D, is Senior Researcher at Bharathiar University Coimbatore, Chennai, India. Hanna J. Maria, Ph D, Senior Research Associate, Director, School of Energy Materials, Mahatma Gandhi University, Kottayam, Kerala.