1. Laboratory of Organic Electronics, Department of Science and Technology Linköping University Norrköping Sweden
2. School of Materials and Mineral Resources Engineering Engineering Campus, Universiti Sains Malaysia Nibong Tebal Malaysia
3. Graduate School of Energy Science Kyoto University Kyoto Japan
4. School of Chemical Engineering Engineering Campus, Universiti Sains Malaysia Nibong Tebal Malaysia
5. Renewable Energy Center, Research Institute for Applied Mechanics Kyushu University Fukuoka Japan