Dr. Muthuchamy Nallal was born in Mangudi Therguvadi village nearby Sivagangai, Tamilnadu in 1989. He received his B.Sc., M.Sc., in Chemistry from Madurai Kamaraj University; M.Phil., in Chemistry with a Gold medal from Alagappa University; and Ph.D. from Kyungpook Nat'l University, Republic of Korea. Previously, he had research experiences in CSIR-Central Electrochemical Research Institute, Kyungpook Nat'l University, Shenzhen University, and Hanyang University. At present, he is working as a Postdoctoral Research Fellow at Pusan Nat'l University, Republic of Korea. His research interest mainly focused on the design and development of novel nanostructure and (photo) catalyst platforms for Energy, Environmental and Electrochemical/ Photoelectrochemical sensor applications.