Dr Kathalingam Adaikalam is an associate professor in the Electronics Engineering department at Dongguk University, Seoul, South Korea. He has more than 35 years of experience in teaching and research, including nanomaterials for energy devices, chemical and biosensors, and electronic devices. He has produced more than 150 research articles in reputed international journals. His research interests are nanomaterials for energy, photonic and various sensor devices.