Dr. Vijayakumar received his PhD in Chemistry from University of Kerala in January 2008 based on the work done in the area of ‘Functional Supramolecular Materials’ under the guidance of Prof. A. Ajayaghosh at CSIR–NIIST, Trivandrum. Subsequently, he worked as a Postdoctoral Research Fellow (January 2008 – December 2010) at the Organic Materials Group, National Institute for Materials Science (NIMS), Tsukuba, Japan. Later he worked as an Assistant Professor (January 2011 – December 2012) at the Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Japan. In January 2013, he joined at the Chemical Sciences and Technology Division of CSIR–NIIST, Trivandrum as a Scientist. His current research interests include organic electronics and photovoltaics, perovskite solar cells, supramolecular smart materials, and organic-inorganic hybrid thermoelectric materials.